Mini

MINI-LINK CN R2 Operation and Maintenance LZU 1089720

CAPTION LIST

Introduction

1

MINI-LINK CN basics and initial setup

2

Ethernet Traffic Handling

3

Maintenance

4

Glossary

5

Document No.

LZU 108 9720

Date

2014-08-20

Rev

A

6

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DISCLAIMER This book is a training document and contains simplifications. Therefore, it must not be considered as a specification of the system. The contents of this document are subject to revision without notice due to ongoing progress in methodology, design and manufacturing. Ericsson shall have no liability for any error or damage of any kind resulting from the use of this document. This document is not intended to replace the technical documentation that was shipped with your system. Always refer to that technical documentation during operation and maintenance. © Ericsson AB 2014 This document was produced by Ericsson AB. • The book is to be used for training purposes only and it is strictly prohibited to copy, reproduce, disclose or distribute it in any manner without the express written consent from Ericsson.

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The R&D centers in Gothenburg, Milan, Budapest and China are mainly concentrating on the hardware related products while the R&D centers in Genoa and Pagani are concentrating on the ServiceOn management systems.

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The radio hop capacities refers to Line Interface Capacity and not Air Interface Capacity and is also depending on size of the Ethernet frames.

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The radio hop capacities refers to Line Interface Capacity and not Air Interface Capacity and is also depending on size of the Ethernet frames.

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A microwave transmission network can be considered to consist of four different subnetworks. Traffic network; traffic distribution and traffic related equipment for the transport from BSC/RNC to ”the last site”. Radio network; microwave radio communication to carry traffic, synchronization and management.

Management network; for the supervision of every node in the transmission network. Syncronization network; transport of synchronization signal from BSC/RNC to transmission equipment and radio base stations. In this course we will cover all of it from an Operation and Maintenance point of view. For planning of the traffic, synchronization and management networks we refer to the training course ”Microwave Transport and DCN Design”, LZU 108 9341. For planning of the radio network we refer to ”Shorthaul Microwave Radio Design”, LZU 108 6842.

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DISCLAIMER This book is a training document and contains simplifications. Therefore, it must not be considered as a specification of the system. The contents of this document are subject to revision without notice due to ongoing progress in methodology, design and manufacturing. Ericsson shall have no liability for any error or damage of any kind resulting from the use of this document. This document is not intended to replace the technical documentation that was shipped with your system. Always refer to that technical documentation during operation and maintenance. © Ericsson AB 2014 This document was produced by Ericsson AB. • The book is to be used for training purposes only and it is strictly prohibited to copy, reproduce, disclose or distribute it in any manner without the express written consent from Ericsson.

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Generally you can say that the CN 510 R2 is a stand alone MINI-LINK TN MMU3 A modem (with the features like adaptive modulation with modulation up to 1024 QAM and XPIC) with a lot of traffic and management interfaces on the front and an inbuilt switch . You can make it a 1+1 or a 2+0 configuration with two MINI-LINK CN 510 R2 and a cable in between.

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This applies to all types of nodes that are hop compatible with MINILINK CN.

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Locally you can access the node by either using the USB port or the management port. Remotely the management is sent either through the service channels (PPP links) or together with the Ethernet traffic (DCN over VLAN). The IP router in MINI-LINK CN 510 R2 can be configured for the use of both unnumbered as well as numbered interfaces. Unnumbered is default. Only the Ethernet interface has to be assigned an IP address, which is inherited by the PPP interface. When numbered interfaces are chosen, each router interface is configured with unique IP addresses, belonging to separate networks. When the router is acting as ABR, numbered interfaces are mandatory.

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The following standard external IP services are supported: Network Time Protocol (NTP) server for synchronization of internal clocks. For example, time stamping of alarm events. Domain Name System (DNS) enables the use of host names of all terminals. Dynamic Host Configuration Protocol (DHCP), used to allocate IP addresses in the DCN. Syslog server can be used to receive MINI-LINK alarms and events. This is an alternative to the default MINI-LINK alarms and events mechanism, which uses SNMP traps. Network Address Translation (NAT) modifies the information of the IP header while transmit the packet across a traffic routing device.

Point-to-Point Protocol (PPP) is used to establish direct connection between two nodes.

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The ServiceOn Element Manager SNMP Proxy Agent is used for exporting alarm data to another management system using the SNMP protocol with a proprietary ServiceOn Element Manager MIB (Management Information Base). The FTP interface is used for exporting performance and inventory data from ServiceOn Element Manager to other management systems.

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Different GUI:s used in ServiceOn Element Manager and for different types of equipment.

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In CPI you have a guide to make a configuration with the MINILINK Craft and one by using the CLI. Choose the one you feel most comfortable with.

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Logging in the first time will let you enter in view_user mode. Stating “enable” and the password will take you to the control_user level.

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The MINI-LINK CN 510 R2 supports the USB connection.

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When the node is in factory settings the default IP address of Ethernet DCN port is 192.168.0.1. view_user Has read only access. Default password: ericsson control_user Has read and write access and access to view the audit_log file. Default password: ericsson admin_user Has read and write access and access to view and delete the audit_log file. Can change passwords using MINI-LINK Craft or the SNMP v3 interface. Default password: admin

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In ML Craft you work a lot with ”right click” and you will get different menus depending on what level or card you are clicking.

The alarms in the ML Craft’s lower part is instantly updated.

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”Setup Guide” is the window in MINI-LINK Craft where you can find most of of the options to make different settings for the node.

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A maximum of 100 static routes is possible.

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This is the new setup where you have one ”Basic” setting part and one ”Advanced” part for more detailed settings.

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To get access to other modulation types than v0 you need to enable the Adaptive Modulation. If you only want one capacity you choose the same value for min and max. When 50 dB/s High Throughput option is selected for Fading Rates, the modulation shift thresholds are lowered, so that the receiver requires a shift down only when closer to the error region. This increases the average throughput, but is less reactive to very deep fading (bit errors can occur before the modulation shift down is actualized).

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DISCLAIMER This book is a training document and contains simplifications. Therefore, it must not be considered as a specification of the system. The contents of this document are subject to revision without notice due to ongoing progress in methodology, design and manufacturing. Ericsson shall have no liability for any error or damage of any kind resulting from the use of this document. This document is not intended to replace the technical documentation that was shipped with your system. Always refer to that technical documentation during operation and maintenance. © Ericsson AB 2014 This document was produced by Ericsson AB. • The book is to be used for training purposes only and it is strictly prohibited to copy, reproduce, disclose or distribute it in any manner without the express written consent from Ericsson.

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Efficient packet data transport: Ethernet is an ideal carrier of for example IP and furthermore it allows efficient aggregation of data. Everywhere: In datacom Ethernet is very common and since you find it almost everywhere in the networks, the prices of Ethernet devices have decreased dramatically. Flexible Bandwidth: On the same interface you can go from 0-1000 Mbit/s. Less number of interfaces: Since the interface is flexible in bandwidth the total amount of interfaces is also less.

On the existing TDM network (PDH and SDH) the need for Ethernet transport is increasing and we can easily mix both TDM and Ethernet. Eventually the TDM structure will migrate to pure Ethernet transport.

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The slide gives examples of commonly used protocolls for layers 1-4. MINILINK TN up to R3 support Layer 1 for Ethernet transport while MINI-LINK TN R4 supports both Layer 1 and Layer 2, enabling Ethernet switching. OSI = Open Systems Interconnection HDLC = High-level Data Link Control GFP = Generic Frame Protocol

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Switches have more or less replaced the older Hub. A Hub had no recognizion of MAC address, all Unicast were forwarded to all ports. A Switch will forward Broadcasts to all ports.

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The Layer 1 Overhead starts with seven bytes Preamble and then one byte Start Frame Delimeter.

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Priority can be set according to IEEE802.1Q, IEEE802.1D or custumized as you like. Same priority definition must be applied for the entire network. PCP bits: Priority Code Point bits VID 0: No VLAN, only priority bits used. ”Priority tagged” VID 1: Default VID, all ports, ”avoid” VID 1001-1023: Cisco specific, don’t use VID 4095: Don’t use

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As a service provider you might want to have your own VLAN and don’t want to consider what VLAN’s the customer has or different customers might want to use the same VLAN’s through your network. In that case you add 4 bytes to the already VLANtagged frame, which is divided the same way as the C-tag itself; two bytes for type of data, three priority bits, twelve bits for VLAN ID’s and then one bit for classification. In the C-tag this last bit was used for defining if it was Ethernet frame or Token ring that was used. In this case we know that we are talking about Ethernet and this bit can now be used as a ”coloring bit” to define if a packet should be dropped or not depending on data load. DEI: Drop Eligibility Identifier

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Customer Edge Port (CEP): A C-VLAN component Port on a Provider Edge Bridge that is connected to customer owned equipment and receives and transmits frames for a single customer. Customer Network Port (CNP): An S-VLAN component Port on a Provider Bridge or within a Provider Edge Bridge that receives and transmits frame for a single customer. Provider Edge Port (PEP): A C-VLAN component Port within a Provider Edge Bridge that connects to a Customer Network Port and receives and transmits frames for a single customer. Provider Network Port (PNP): An S-VLAN component Port on a Provider Bridge that can transmit and receive frames for multiple customers.

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When QinQ is enabled, another C-tag is added and the Customer bridge reads the first/outer C-tag just as normally. It is only at the edge of the network that the outer C-tag is removed and the frame is a “normal” C-tagged frame again.

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UNI: User to Network Interface I-NNI: Network to Network Interface Per port based C-tag is added to un-tagged frames. Admittance control examples: Allowed frame type? White list Policing, Color mark Storm protection

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CE-UNI: Customer Edge – User to Network Interface I-NNI (PN): Internal – Network to Network Interface (Provider Network) A CE-UNI is a C-tag aware interface. Incoming C-tagged frames having the C-VID registered in the C-VID registration table are tagged with the corresponding S-VID. Incoming C-tag frames not registered in the C-VID registration table are discarded Untagged and priority tagged frames are assigned the S-VLAN corresponding to the PVID in the C-VID registration table. Any tagged frame with EtherType different than 8100 is discarded. CE-UNI ports have a C/S VLAN mapping table, which is an explicit C-VID registration table that provides mapping between C-VIDs and S-VIDs. The table has an entry for each of the allowed C-VLANs on the CE-UNI port. When a frame enters a CE-UNI port and carries one of the allowed C-VLANs for the port, the S-VLAN that corresponds to the frame C-VLAN in the table is added to the frame. When untagged or priority-tagged frames enter the CE-UNI port, the entry corresponding to the port default parameter ifCVid is used to determine which S-VLAN should be added to the frame. An I-NNI (PN) is an S-tag aware interface. S-tagged frames are accepted. Non Stagged frames are always discarded.

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CN-UNI: Customer Network – User to Network Interface I-NNI(PN): Internal – Network to Network Interface (Provider Network) As an external physical interface, a CN-UNI is S-tag aware and C-tag unaware. S-tagged frames are accepted. Incoming C-tagged frames are handled as untagged frames and are assigned the Port VID (PVID). The PVID is added as an S-tag. Untagged and priority tagged frames are assigned the Port VID (PVID). The PVID is added as an S-tag. An I-NNI (PN) is an S-tag aware interface. S-tagged frames are accepted. Non S-tagged frames are always discarded.

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I-NNI(PN): Internal – Network to Network Interface (Provider Network) An I-NNI (PN) is an S-tag aware interface. S-tagged frames are accepted. Non S-tagged frames are always discarded. C-tag is unaffected.

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If X want to reach Y an ARP request is sent out (to find out which MAC address Y has). When the packet comes to the first site it is broadcasted out (but not on the port it came from) and goes both to site 2 and 3. At site 3 the packet has nowhere to go and is just thrown away. At site two it is broadcasted and sent towards site 4 and then again broadcasted at site 4 and Station Y will reply back with its own MAC address. The ethernet frame now has a ”real” Source and Destination MAC address and is sent back to Station X.

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We have the same scenario but there is now a link between site 3 and 4. The packet that was thrown away at site three is now relayed to site 4 instead and the switch relearns that Station X is behind site 3 and distributs that information further or (if the first packet has not arrived yet from site 2) is broadcasted. Also the packet that is broadcasted at site 4 will be distributed to site 3 and then sent further and there we have the loop.

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Rings and Ethernet don’t go together! As soon as you have a ring and only one broadcast message is sent out, the whole network is flooded. In that case you need to start RSTP (which has to be done on all WAN ports!). In an RSTP network one physical link is shut down (so it becomes a tree structure) and all traffic goes on the other links.

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In an MSTP network no complete physical link is shut down but the different VLAN’s gets different spanning tree protocol’s and creates their own tree structure so the traffic can in this case go in two different directions and you can use the capacity of the ”disconnected” link compared to the RSTP.

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Air interface capacity and Line interface capacity are two different ways of stating Ethernet capacity figures. The Air interface is basically the layer 2 figure plus a small overhead of 4 byte. Layer 2 consists in front of all of the MAC address and the Payload. (There is also a small overhead of type/length at the start of the frame, and a checksum add the end. They are not shown in the picture.) It is what is sent over the air. In the Line interface figure the layer 1 overhead is also included. Normally the layer 1 figure is the figure used for the Ethernet cable connected to the Ethernet Line Interface on MINI-LINK. Layer 1 consists of layer2 + an overhead that is equal to or larger than 20 byte. This overhead consists of IFG and PRE. IFG = Inter Frame Gap, this is an empty space necessary between Ethernet frames, it is at least 12 bytes. PRE = Pre-amble, a header or introduction to the Ethernet frame, 8 bytes. So for a 64 bytes frame an overhead of at least 20 bytes makes a big difference! e.g. for 256 QAM and 56 MHz, if you have a small frame size, like 64 bytes, the line interface capacity will be large, 425 Mbit/s. With a large frame size like 1522, the line interface capacity will be a lot lower, more like 350 Mbit/s. The frame size depends very much on the traffic. Voice traffic uses 64 byte frame size, while a typical frame size for Mobile backhaul is around 800 bytes.

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In a Layer 2 transport Ethernet traffic is connected to switch.

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The RL-IME carries the ethernet traffic across the radio hop. When you enable the RL-IME a WAN port is created and you can connect it either to Layer 1 or to the switch. A Layer 1 Connection always occupies two ports on the switch even if the switch functionality is not used.

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Ports can have have different roles. Either they are on the border to get into the network and is then considered to be User to Network interfaces (UNI). Or they are ”within” the network and then have a role as a Network to Network interface (NNI). The default settings for LAN and WAN ports are NNI and the LAN port has to be changed to make it a UNI port.

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LAG occupies one port of the switch per physical line connection. Usage is where for example a MINI-LINK TN is used to add/drop Ethernet traffic northbound which then is to be transported over a microwave network. Primarily for protection but the capacity of the total link can also be increased.

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Enhanced Radio Link Bonding (EnRLB) is built on an RL-protected configuration where the physical link relies on one of the following: • Frequency diversity (Working Standby) The two radio links are protected according to the working standby schema using two different frequencies. • Polarization diversity (XPIC) The two radio links are protected according to the working standby schema using the same frequency but different polarizations (horizontal and vertical). This is achieved by configuring the two radio links in an XPIC pair. In EnRLB, the TDM portion of the traffic is duplicated and transported over both hops. The best signal is selected at the receiver side. The remaining RL capacity of both hops is assigned to the packet link traffic. EnRLB uses this remaining capacity either by allocating it to data traffic entirely (extended capacity mode) or for carrying duplicated data over the two radio hops (protected mode). EnRLB can operate in the two following modes: • Extended capacity mode: both radio hops carry unique data, that is, packet link traffic uses all of the available capacity of each hop. • Protected mode: data is duplicated and transported over both radio hops in a protected pair, that is, packet link traffic is protected. In extended capacity mode, EnRLB doubles the packet link capacity compared to protected mode. Switching between extended capacity mode and protected mode is hitless and is triggered by HW criteria or signal quality criteria in the receiver. Favorable conditions trigger extended capacity mode and unfavorable conditions trigger protected mode. Hitless switching for the TDM traffic is maintained. Radio Link Bonding can be used together with Adaptive Modulation and ATPC. © Ericsson AB 2014 | LZT 1381389 R1A

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If you want to take a look on the traffic that passes the WAN port you can mirror that port to a LAN port for further investigation.

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SNCP: Sub-Network Connection Protection MSP: Multiplex Section Protection. RSTP: Rapid Spanning Tree Protocol MSTP: Multiple Spanning Tree Protocol Graceful degradation means that if one terminal should go down the total traffic will be shared by remaining operational terminals.

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Note! When you are tagging untagged traffic it also has to be untagged before it ”leaves” the network at the LAN port in the far end. So LAN ports should be untagged, but never a WAN port! If a WAN port untagges the traffic the far-end WAN port will discard the packet since it does not have a VLAN tag.

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DISCLAIMER This book is a training document and contains simplifications. Therefore, it must not be considered as a specification of the system. The contents of this document are subject to revision without notice due to ongoing progress in methodology, design and manufacturing. Ericsson shall have no liability for any error or damage of any kind resulting from the use of this document. This document is not intended to replace the technical documentation that was shipped with your system. Always refer to that technical documentation during operation and maintenance. © Ericsson AB 2014 This document was produced by Ericsson AB. • The book is to be used for training purposes only and it is strictly prohibited to copy, reproduce, disclose or distribute it in any manner without the express written consent from Ericsson.

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MINI-LINK CN R2 Operation and Maintenance

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The alarms in the MINI-LINK Craft is presented at the bottom and is automatically updated.

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Most alarms is not created in the node, but detected on incoming signals and levels and presented here.

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In the Basic setup page you can get the Alarms log..

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There are different types of loops that you can set. On the radio terminal there are three types to set. IF loop; the traffic is not sent to the radio but the functionality of the MMU is tested. RF loop; the traffic is sent from the CN 510 R2 to the radio and then taken back again. Both CN 510 R2 and RAU is tested. Rx loop; the whole traffic signal is looped back from the far end CN 510 R2. In this case both terminals are tested, except for the interface and cables in the far end.

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Both a line loop and a local loop can be set at the E1 front connectors of the MINI-LINK CN 510 R2 and the loops are set on an E1 level.

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Both a line loop and a local loop can be set at the E1 front connectors of the MINI-LINK CN 510 R2 and the loops are set on an E1 level.

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In the MINI-LINK Craft there is an inbuilt FTP server that needs to be started before upgrade of software or upload of licenses. Start MINI-LINK Craft. On the Tools menu, click FTP Server . Under Configuration , select Automatic Start-Up if you want the FTP server to start every time MINI-LINK Craft is started. In the FTP Port box, type the port number to use for FTP. Port 21 is the established standard for FTP. In the FTP Home box, type the path to the directory on the PC used for uploading and downloading configuration files and load modules. Specify the User Name and Password used to log in to the FTP server. These need to be the same as those specified for the FTP client on the LAN/Servers Configuration page. As default, user name default with password default is possible to use. It is also possible to select Allow Anonymous Login and login with user name anonymous. In this case a password is not needed (the FTP server accepts any text). In the Permissions list, select whether the FTP server should allow read-write operations or only read operations. To be able to upload files to the FTP server, this must be set to read-

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write.

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The configuration is automatically stored on the internal memory of CN 510 R2. It is also automatically backuped to the RMM every 15 minutes.

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MINI-LINK CN R2 Operation and Maintenance

The configuration file is stored both in the RMM and in a flash memory on the MINI-LINK CN 201/510. The configuration file is identified using the serial number of the MINI-LINK CN 201/510 and the fingerprint of the configuration file. If the configuration file identity differs between the RMM and the flash memory, the MINILINK CN 201/510 enters installation mode and the Setup Guide page is shown. The Setup Guide page displays a text in red, that the NE is in installation mode and that a difference is detected for the configuration file identities in the RMM and the flash memory.

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MINI-LINK CN R2 Operation and Maintenance

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MINI-LINK CN R2 Operation and Maintenance

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MINI-LINK CN R2 Operation and Maintenance

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MINI-LINK CN R2 Operation and Maintenance

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MINI-LINK CN R2 Operation and Maintenance

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MINI-LINK CN R2 Operation and Maintenance

The Total air interface capacities are set by the 50, 100, 200, 350, 500 Mpbs capacity key. This total capacity will also be used to transport the required number of E1. Hence the available Ethernet bandwidth =The Total capacity – required TDM capacity This is the same way as the sw keys are used in MINI-LINK TN

All licenses for MINI-LINK CN R2 are new and have new product numbers. Look into the product catalog for product numbers, information and the latest update of licenses.

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MINI-LINK CN R2 Operation and Maintenance

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MINI-LINK CN R2 Operation and Maintenance

FTP Settings — The FTP server from which the LKF should be downloaded. Remote FTP Server — A permanent FTP server in the network. Local FTP Server — The FTP server on the local PC. User Name — The user name used by the NE to log in to the FTP server. The FTP server must be configured accordingly. Password — The password used by the NE to log in to the FTP server. The FTP server must be configured accordingly. Use PC IP Address — Enter the IP address of the local PC. License Key File — Specifies the LKF to download.

File Name — The file name of the LKF. Install License — Starts the download and installation of the selected Key file.

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MINI-LINK CN R2 Operation and Maintenance

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MINI-LINK CN R2 Operation and Maintenance

As MINI-LINK CN 510 R2 supports any type of sync input and output, there is little need for any additional new HW necessary for sync, (i.e. change interface to Sync Ethernet to get sync or extra E1n interfaces at RNC to deliver sync to RBS’es with E1 sync requirements.

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MINI-LINK CN R2 Operation and Maintenance

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Glossary AAL AAU ABR ACAP ACL ADM ADSL AFC AGC AIS ALS AMM ANSI API APS APU ARP AS ASBR ASIC ASP AT ATM ATPC BBE BBER BC BER BERT BFD BIP-8 BPDU BPI BR BR/EAC BSC BTS CBN CBR CBS CCM CDB CDMA CDV CDVT CEP CER CES CESoPSN CIR CLI CLR CM CNP COS CP CPU

ATM Adaptation Layer ATM Aggregation Unit Area Border Router Adjacent Channel Alternate Polarized Access Control List Add/Drop Multiplexer Asynchronous Digital Subscriber Line Automatic Frequency Control Automatic Gain Control Alarm Indication Signal Automatic Laser Shutdown Access Module Magazine American National Standards Institute Application Programming Interface Automatic Protection Switching Application Plug-In Unit (TN PIU with separate SW load module) Address Resolution Protocol Autonomous System Autonomous System Border Router Application Specific Integrated Circuits Authorized Service Provider Available Time Asynchronous Transfer Mode Automatic Transmit Power Control Background Block Error Background Block Error Ratio Boundary Clock Bit Error Ratio Bit Error Ratio Tester Bidirectional Forwarding Detection Bit-interleaved parity with eight bit errors Bridge Protocol Data Unit Board Pair Interconnect Board Removal Branching External Access Channel Base Station Controller Base Transceiver Station Channel Branching Network Constant Bit Rate Commited Burst Size Continuity Check Message Centralized Data Base Code Division Multiple Access Cell Delay Variation Cell Delay Variation Tolerance Customer Edge Port Cell Error Ratio Circuit Emulation Service Circuit Emulation Service over Packet Switched Network Commited Information Rate Common Line Interface Cell Loss Ratio Configuration Management Customer Network Port Class of Service Central Processor Central Processing Unit

C-QPSK CRC CU CW CWDM DC DCC DCN DDF DDU DEG DEGM DEGTHR DEI DHCP DIG SC DNS DR DSCP DSLAM DWDM DXC DXX EAC EB EBER EBS ECC EEM EEPROM EIR EIRP E-LAN E-LINE ELP EMC EOC EOW EPD EPL EPLAN ERION ERP ES ESDS ESR ETSI ETU EVPL EVPLAN EXP FAS FAT FAU FAW FCS FDD FDMA FE

Constant envelope offset - Quadrature Phase Shift Keying Cyclic Redundancy Check Control Unit Continous Wave Coarse Wavelength Division Multiplexing Direct Current Data Communication Channel Data Communication Network Digital Distribution Frame DC Distrubution Unit Degraded Signal Degraded Monitoring Degraded Threshold Drop Eligible Indicator Dynamic Host Configuration Protocol Digital Service Channel Domain Name Server Designated Router Differentiated Services Code Point Digital Subscriber Loop Access Mux Dense Wavelength Division Multiplexing Digital Cross Connect Digital Cross-connector External Alarm Channel Errored Block Excessive Bit Error Ratio Excess Burst Size Embedded Communication Channel Embedded Element Manager Electrically Erasable Programmable Read Only Memory Excess Information Rate Effective Isotropic Radiated Power Ethernet LAN service Ethernet LINE service Equipment and Link Protection Electromagnetic Compatibility Embedded Operation and Maintenance Channel Engineering Order Wire Early Packet Discard Ethernet Private Line Ethernet Private LAN ERICSSON Optical Networking Ethernet Ring Protection Errored Second Electrostatic Discharge Sensitive Errored Second Ratio European Telecommunications Standard Institute Ethernet Interface Unit Ethernet Virtual Private Line Ethernet Virtual Private LAN Experimental Frame Alignment Signal File Allocation Table Fan Unit Frame Alignment Word Frame Check Sequence Frequency Division Duplex Frequency Division Multiple Access Fast Ethernet

FEC FEC FM FPROM FTP GE GFP GNM GPON GUI GW HCC HDB3 HDLC HEC H-POL HOLB HPBW HRAN HSDPA HSU HTTP HW IASP ICC ICF ICS ICMP IDU IEEE IETF IF IGMP IM IMA IMA IMD IME I-NNI IP IPTNMS IR ISDN ISP IT ITU ITU-R ITU-T IWF L2R LAG LAN LAPD LB LBM LBR LCAS LCT LED

Forward Error Correction Forward Equivalence Class Fault Management Flash Programmable Ready Only Memory File Transfer Protocol Gigabit Ethernet Generic Frame Protocol Generic Network Message Gigabit Passive Optical Network Graphical User Interface Gateway Hop Communication Channel High Density Bipolar code with a maximum of 3 consecutive zeros High-level Data Link Control Header Error Check Horizontal Polarization Head Of Line Blocking Half-Power Beam Width High capacity Radio Access transmission Network High Speed Data Packet Access High Speed Unit Hyper Text Transfer Protocol Hardware Internet Application Service Provider Internal Communication Channel Interface Connection Field Internal Communication System Internet Control Message Protocol Indoor Units Institute of Electrical and Electronics Engineers Internet Engineering Task Force Intermediate Frequency Internet Group Management Protocol Inversed Multiplexer Inversed Multiplexer for ATM Integrated Management Applications Interface Mediation Device Inversed Multiplexer for Ethernet Internal Network to Network Interface Intenet Protocol IP and Transport Network Management System Internal Router Integrated Services Digital Network Internet Service Provider Information Technology International Telecommunications Union International Telecommunication Union, Radiocommunication Sector International Telecommunication Union, Telecommunication Standardization Sector Interworking Function Line to Radio Link Aggregation Group Local Area Network Link Access Procedures on the D-channel Loop Back Loop Back Message Loop Back Response Link Capacity Adjustment Scheme Local Craft Terminal Light Emitting Diode

LLC LLF LM LM LMDS LNA LOCD LOF LOM LOP LOS LOS LRAN LS LSA LSI LSID LSP LSR LTU LT LTM LTR MAC MAN MBS MDCR MDF MDI MDI-X MEF MEP MG MHL MIB MIP ML-PPP MMU MMU2 MPH MPLS MPLS-TP MS MS MS-AIS MSC MSM MSOH MSP MS-REI MSTP MTBF NCC NE NEM NM NMS NNI NPU

Logical Link Control Link Loss Forward Load Module Local Manager Local Multipoint Distribution System Low Noice Amplifier Loss of Cell Delineation Loss Of Frame Loss Of Multiframe Loss Of Pointer Loss Of Signal Line-of-Sight Low capacity Radio Access transmission Network Link State Link State Advertisement Local Supervision Interface Link State Identity Label Switched Path Label Switch Router Line Termination Unit Link Trace Link Trace Message Link Trace Response Media Access Control Metropolitan Area Network Maximum Burst Size Minimum Desired Cell Rate Multi Distribution Frame Medium Dependent Interface Medium Dependent Interface Crossover Metro Ethernet Forum Maintenance Edge Point Mobility Gateway MultiHaul Management Information Base Maintenance Intermeditate Point Multilink Point-to-Point Protocol Modem Unit (MINI-LINK E) Modem Unit (MINI-LINK TN) MINI-LINK Protecting Housing Multiprotocol Label Switching Multiprotocol Label Switching Transport Profile Management System Multiplexer Section Multiplex Section Alarm Indication Signal Mobile services Switching Center MINI-LINK Service Manager Multiplexer Section Overhead Multiplexer Section Protection Multiplex Section Remote Error Indication Multiple Spanning Tree Protocol Mean Time Between Failure Node Communication Channel Network Element Network Element Manager Network Manager Network Management System Network to Network Interface Node Processor Unit

NSSA NTP O&M OAM OC OC-3 ODF ODU OMC OMS OSI OSPF OSS PABX PBX PCI PCP PCR PDH PDU PFU PIU PLM PM PNP POTS PPD PPP PRBS PRC PSAC PSTN PSU PT Ptp PTP PVID PWE3 QAM QL QoS R2L RAC RAI RAM RAU RBS RCC RDI RED RF RFCOH RMM RMON RNC RPE RPL RPS RSOH

Not So Stubby Area Network Time Protocol Operation and Maintenance Operation Administration & Maintenance Ordinary Clock Optical Carrier level 3 Optical Distribution Frame Outdoor Units Operation and Maintenance Center Optical Multiservice Open Systems Interconnection Open Shortest Path First Operational Surveillance System Private Automatic Branch Exchange Private Branch Exchange Peripheral Component Interface Priority Code Point Peak Cell Rate Plesiochronous Digital Hierarchy Power Distribution Unit Power Filter Unit Plug-In Unit Payload Mismatch Performance Management Provider Network Port Plain Old Telephone Service Partial Packet Discard Point-to-Point Protocol Pseudo Random Bit Sequence Primary Reference Clock Protection Switching Actual Count Public Switching Telephone Network AC/DC Power Supply Unit Packet Terminal Point to point Precision Time Protocol Port VLAN ID PseudoWire Emulation Edge to Edge Quadrature Amplitude Modulation Quality Level Quality of Service Radio to Line Remote Alarm Channel Remote Alarm Indication Random Access Memory Radio Unit Radio Base Station Radio Communication Channel Remote Defect Indication Random Early Detection Radio Frequency Radio Frame Complementary Overhead Removable Memory Module Remote Monitoring Radio Network Controller Radiation Pattern Envelope Ring Protection Link Radio Protection Switching Regenerator Section Overhead

RS RSSI RSTP RSU RSVP RTD RTP RTPC RX SAToP SAU SBL SC SCR SDH SEC SES SESR SFP SGSN SGW SID SIU SLA SMU SNCP SNI SNMP SNR SOH SONET SP SP SP SPE SPI SSH SSM STP STM-1 STS-1 S-VLAN SW TC TC TCP TCP/IP TDD TDM TDMA TFTP TL-1 TLV TIM TMN TMR TN TOD TOH

Regenerator Section Received Signal Strength Indication Rapid Spanning Tree Protocol Remote Software Upgrade Resource Reservation Protocol Round Trip Delay Real-Time Transport Protocol Remote Transmit Power Control Receiver Structure-Agnostic TDM over Packet Service Access Unit Software Baseline Service Channel Sustainable Cell Rate Synchronous Digital Hierarchy SDH/SONET Equipment Clock Severely Errored Second Severely Errored Second Ratio Small Form-factor Pluggable Serving GPRS Support Node Serving Gateway Site Installation Documentation Site Integrated Unit Service Level Agreement Switch Multiplexer Unit Sub-Network Connection Protection. Service Network Interface Simple Network Management Protocol Signal to Noise Ratio Section Overhead Synchronous Optical Network Service Provider Smart Packet Strict Priority SONET Payload Envelope Synchronous Parallel Interface Secure Shell Synchronization Status Message Spanning Tree Protocol Synchronous Transport Module level 1 Synchronous Transport Signal 1 Service Virtual Local Area Network Software Traffic Class Transparent Clock Transmission Control Protocol Transmission Control Protocol/Internet Protocol Time Division Duplex Time Division Multiplex Time Division Multiple Access Trivial File Transfer Protocol Transaction Language 1 Type Length Value Trace Identifier Mismatch Telecommunication Management Network Transmission Model Rack Traffic Node Time of Day Transport Overhead

TOS TPID TRU TRX TX UAS UASR UAT UATR UBR UDP UDT UNI URL USB VBR VBRnrt VBRrt VC VCAT VCC VCG VCI VC-n VDSL VLAN VLANIF VoIP VP VPC VPI VPN V-POL WAN WCDMA WDM WFQ WRED xDSL XFP XML XPD XPIC

Type Of Service Tag Protocol Identifier Traffic Unit Transceiver Unit Transmitter Unavailable Second Unavailable Second Ratio Unavailable Time Unavailable Time Ratio Unspecified Bit Rate User Datagram Protocol Unstructured Data Transfer User Network Interface Uniform Resource Locator Universal Serial Bus Variable Bit Rate Variable Bit Rate non real time Variable Bit Rate real time Virtual Channel Virtual Concatenation Virtual Channel Connection Virtual Concatenation Group Virtual Channel Identifier Virtual Container -n Very high speed Digital Subscriber Line Virtual Local Area Network VLAN Interface Voice over Internet Protocol Virtual Path Virtual Path Connection Virtual Path Identifier Virtual Private Network Vertical Polarization Wide Area Network Wideband Code Division Multiple Access Wavelength-division Multiplexing Weighted Fair Queuing Weighted Random Early Detection Digital Subscriber Line 10 Gbit/s Small Form-factor Pluggable Extensible Mark-up Language Cross Polarization Discrimination Cross Polarization Interference Cancellation

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© Ericsson AB 2014 Ericsson AB Global Services SE-164 80 Stockholm Telephone: +46 10 719 0000 www.ericsson.com/ourportfolio/services/learning-services LZT 1381389 Uae R1A