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FS D710 Series Command Manual

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18M2C2 CLI COMMAND MANUAL
18M2C2 CLI
Command Manual
Models: D710 Series

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  • Page 1 18M2C2 CLI COMMAND MANUAL 18M2C2 CLI Command Manual Models: D710 Series...

  • Page 2: Table Of Contents

    1.6. Configuration Examples....................................29 1.6.1. Example of Network Management via SNMP IP...........................29 1.6.2. Example of Network Management via Bridge IP..........................30 2. Device Deployment........................................32 2.1. Introduction........................................32 2.1.1. Network Management Channel..............................32 2.1.2. Automatic Topology Discovery................................ 34 2.1.3. Network Management Communication Parameters........................36 www.fs.com...
  • Page 3 2.6.2. Deploying the Device ..................................62 2.6.3. Configuring Cascaded Network Management..........................64 3. OTN Services..........................................66 3.1. Introduction........................................67 3.1.1. Default Configuration..................................67 3.1.2. OTN Services......................................70 3.1.3. OTN Overhead......................................74 3.2. Configuring the Interfaces.................................... 78 3.2.1. Configuring Interface Mode and Timeslot Mapping........................78 www.fs.com...
  • Page 4 4.1.3. Client Side Interface 1+1 Protection .............................112 4.1.4. ODUk SNCP......................................113 4.2. Configuring OCh 1+1 Protection and Client-side Interface 1+1 Protection................... 118 4.2.1. Configuring a Protection Group..............................118 4.2.2. Configuring Protection Switching Operations...........................119 4.3. Configuring ODUk SNCP Protection.................................120 4.3.1. Configuring a Protection Group ..............................121 www.fs.com...
  • Page 5 6.2. Viewing Device Alarms....................................140 6.3. (Optional) Configuring Basic Functions..............................140 6.4. (Optional) Configuring Automatic Alarm Reporting ..........................141 6.5. (Optional) Configuring Alarm Shielding..............................141 6.6. (Optional) Configuring Alarm Reversal..............................142 6.7. (Optional) Deleting Device Alarms................................143 7. Maintenance Management.....................................143 7.1. Introduction........................................144 www.fs.com...
  • Page 6 7.7.3. (Optional) Configuring Log Uploads to Syslog Server......................158 7.8. Configuration Examples....................................158 7.8.1. Configuring PRBS Error Detection..............................158 7.8.2. Configuring Backup and Upgrade..............................161 8. Appendix............................................. 163 8.1. Alarm List .........................................164 8.2. Performance Indicators List ..................................167 8.3. Terminology ........................................171 www.fs.com...
  • Page 7 18M2C2 CLI COMMAND MANUAL 8.4. Abbreviations......................................... 175 www.fs.com...

  • Page 8: Preparation

    Managemen Learn the basic Configuring the CLI command 1.1.2. Overview of the Device The 18M2C2 is part of the intelligent transport network series of OTN products. It is designed to work with MS8100 and othe www.fs.com...
  • Page 9 Two grounding terminals are located on the left right side and the back right side, making it easy to select the  grounding position. Figure 1-1 Front view of AC power supply mode Figure 1-2 Front view of a DC power supply www.fs.com...

  • Page 10: Command Line Introduction

    Allow Telnet , SSHv2 ( Secure Shell v 2, Secure Shell Protocol v 2) for local or remote configuration.  Different types of command lines belong to different command line modes. Users can perform a certain type of  configuration only in the corresponding command line mode. Users can use shortcut keys to operate commands.  www.fs.com...

  • Page 11: Connecting To The Device

    IP address of the device through the DCN network for configuration management, as shown in Figure 1-5. In this case, the DCN network needs to be configured so that the route between the device and the CLI computer is reachable and the UDP ports (default 161 and 162) can be accessed normally. www.fs.com...

  • Page 12: Logging To The Device

    Before logging in to the device via the USB port, please install the USB-to-UART driver on the PC that will be connected to the device Step Connect the device's Console interface to the PC's USB port using a dual USB male-to-male configuration cable www.fs.com...

  • Page 13: Configuring The Network Management Ip Address

    Windows Vista or Windows 7 should download the HyperTerminal program from the internet themselves. 1.3.2. Configure the Network Management IP Address Usually after logging in, you need to configure the device's network management IP address for use by Telnet and th www.fs.com...
  • Page 14 IP address of the central office equipment to ensure that it is in a different subnet from the SNMP IP addresses of the remote equipment. Note If you need to use the ECC / GCC mode for in-band network management, you need to delete the ECC interface from th www.fs.com...
  • Page 15 SNMP interface IP address of the gateway network element. Enter Bridge Interface configuration mode. fscom ( config )# bridg View Bridge Interface configuration information. fscom ( config-bridge )# showinf www.fs.com...

  • Page 16: Logging In Via Telnet

    After a user establishes a connection with the device using a terminal emulation program or Telnet client program on a computer, they can log into other devices using the telnet command for configuration management. As shown in Figure 1-8, Device A acts as both a Telnet Server and a Telnet Client at this time www.fs.com...

  • Page 17: Logging In Via Sshv2

    Enter global configuration mode. fscom # confi Generate a server host key. fscom ( config )# sshd key-generate { dsa | rsa } modulus modulu Enable SSH Server functionality. fscom ( config )# ssh By default, SSH is disabled Server functionality. www.fs.com...

  • Page 18: Understanding The Command Line

    To establish a connection with the 18M2C2 device, enter the username and password to access the Privileged EXEC mode: fscom # In privileged user mode, enter the config command to enter the global configuration mode. fscom # confi www.fs.com...
  • Page 19 In global configuration mode, use interface ecc 1/ fscom ( config-ecc /1/*) interface-number command ETH2 Interface Configuration In global configuration mode, use fscom ( config-ETH2) interface eth2 command NAT Configuration Mod In global configuration mode, use fscom ( config-nat ) ipnat command www.fs.com...
  • Page 20 Line-side optical module In global configuration mode, use interface fscom ( config-transceiver-line transceiver line interface-number command interface configuration mod Note The client-side interface supports multiple modes to meet service needs, and different modes have corresponding interfac www.fs.com...

  • Page 21: Command Line Shortcuts

    Backspac Delete the character before the cursor. If the cursor is at the beginning of a command, pressing this key will not cause an www.fs.com...
  • Page 22 When the command line information printed by the terminal exceeds the screen, continue to display the next screen of information " Enter " When the command line information printed by the terminal exceeds the screen, continue to display the next line of information www.fs.com...

  • Page 23: Viewing History Commands

    Configuration from terminal interface debug debug mode device configure device. disable Turn off privileged mode command download copy system file from server english Help message in english erase erase configuration information Exit current mode and down to previous mod www.fs.com...
  • Page 24 There are three situations in which users can get some help Enter a string followed by "?", and the device will list all keywords that begin with the string in the current mode.  fscom ( config )# c ? The displayed information is as follows cfg-auto-sav cfg-auto-sav www.fs.com...
  • Page 25 The command line entered by the user is not unique % " * " Unknown command The command line entered by the user does not exist % You Need higher priority The current user has insufficient permissions to execute the command line www.fs.com...

  • Page 26: Learning Basic Commands

    ( config )# histor Return to the previous command mode. fscom ( config )# exi Return to privileged user mode. fscom ( config )# en View all command lines in the current command mode. fscom ( config )# lis www.fs.com...
  • Page 27 In each interface configuration mode, use the interface-number ]|smp show interface Command to view the current interface information. View the contents related to the current node in the fscom ( config )# show thi runtime configuration file . Log out. fscom ( config )# qui www.fs.com...
  • Page 28 The value range is 1 to 10  odu2e odu- number The value range is 1 to 10  odu3 odu- number ​ The value range is 1 to 2  oduflex odu- number ​ Thevaluerangeis1 to 80  www.fs.com...
  • Page 29 Client-side optical module interface, which includes optical module information in integer transceiver client interface-numbe form with a value range of 1-22. Line-side optical module interface, which includes optical module information in integer transceiver line interface-numbe form with a value range of 1 and 2. www.fs.com...

  • Page 30: Configuration Examples

    Enter " fscom " and press Enter, and " fscom >" is displayed. Step 5 Enter “ enable ” and press Enter, and “ Password :” will be displayed. Step Enter " fscom " and press Enter. " fscom #" is displayed, and the system enters the privileged user mode www.fs.com...

  • Page 31: Example Of Network Management Via Bridge Ip

    Central Office Device A is connected to the remote device through an optical fiber . B.  Configuration step Step In privileged user mode on Device A, enter global mode. fscom # config fscom ( config ) Step Enable Device A Topology automatic discovery function. fscom ( config )# tdp enabl www.fs.com...
  • Page 32 An example of a command to add a route is "route add 192.168.0.0 mask 255.255.255.0 192.168.5.28". If a network management system is installed on the computer, you can add and synchronize the Device B network element on the network management system. www.fs.com...

  • Page 33: Device Deployment

    Out-of-band DCN network management channel: The out-of-band DCN network management channel is provided by the  SNMP interface , which provides out-of-band network management based on the SNMP / UDP protocol. The SNMP interface is located on the front panel and uses an RJ -45 interface. Does not occupy service bandwidth.  www.fs.com...
  • Page 34  on the front panel and uses an RJ -45 interface. Based on NAT (Network Address Translation) and NAPT (Network Address Port Translation) functions, a single  management IP address can manage devices in a hierarchical network management system. www.fs.com...

  • Page 35: Automatic Topology Discovery

    Supports configuration of channel management IP address and mask.  Supports configuration of external interfaces and internal interfaces.  Supports configuration of NAT translation rules.  2.1.2. Automatic Topology Discovery The device supports automatic topology discovery, which can facilitate the deployment of network management functions between devices. www.fs.com...
  • Page 36 The bridging function also supports the setting of MAC learning security mode. In security mode, only the MAC address  of FS company equipment is learned and forwarded , which improves the security of message forwarding. The bridging function supports network management channels that use ECC / GCC . After the network management ...

  • Page 37: Network Management Communication Parameters

    SNMP protocol. Therefore, the device needs to be configured with network management communication parameters. The network management communication parameters include the network element SNMP management IP address, network management channel IP address, SNMP community, destination address of Trap sending, static routing, etc. www.fs.com...
  • Page 38 When using out-of-band DCN , the gateway IP address of the device is the next-hop IP address of the DCN network .  When multiple network management channels are used at the same time, corresponding static routes need to be configured  for each channel that crosses network segments. www.fs.com...

  • Page 39: Nat / Napt Function

    Configure the external interface of the gateway device as SNMP and the internal interface as ETH2. The converted management messages are forwarded through the specified external interface. Step 5 Configure the conversion rules for the gateway device. The management messages of the cascaded devices can be converted in the gateway device. www.fs.com...

  • Page 40: Configuring Network Management Communication

    Configuring Out-of-band DCN Network Management Channel 2.2.1. Out-of-band DCN network management channel is mainly used for the network management system to perform out-of-band network management communication through the DCN network and the SNMP interface of the device. www.fs.com...
  • Page 41 Usually use the default configuration. You need to modify the configuration only when the peer interface does not support auto-negotiation. By default, SNMP The interface rate is 100 Mbit/s, full-duplex mode. View the status and configuration information of the fscom ( config-snmp )#showinterface smp interface. www.fs.com...

  • Page 42: Configuring In-Band Network Management Based On Topology Auto-Discovery

    ( config )# bridge Configuring Bridge Interface IP address and subnet mask. fscom ( config-bridge )# ip address ip-address [ address-mask ] fscom ( config-bridge )# bridge { add | delete } (Optional) Configure the Bridge interface to add or remove interfaces www.fs.com...
  • Page 43 By default, the Bridge interface includes all ECC interfaces. (Optional) Configure the aging time for the MAC address table. fscom ( config-bridge )# mac-address-table The default configuration is typically used, and adjustment is only aging-time second needed for debugging purposes. www.fs.com...
  • Page 44 { normal | safe } learning secure mode to only learn and forward MAC addresses from FS company devices. By default, the MAC address table learning mode is set to normal. (Optional) Create a static MAC address Address table entries. Usually fscom ( config-bridge )# mac-address-table applicable to situations where network changes are rare.
  • Page 45 IP address type. Note The topology discovery function works properly only after the neighbor discovery function is enabled. Step Configuration Note Enter global configuration mode. fscom # config Enter Bridge Interface configuration mode. fscom ( config )# bridge www.fs.com...
  • Page 46 View the interconnection relationships between all devices fscom ( config-bridge )# show tdp device discovered by the topology. connect Configuring the Network Management Channel Ring The network management channel ring is suitable for network management ring networking and can provide channel www.fs.com...
  • Page 47 Configure the channel ring network detection mode. fscom ( config-bridge )# channel-ring The default configuration is usually used and configuration detection-mode is required only when debugging functions. { fast | normal } By default, the channel ring network detection mode is Normal mode. www.fs.com...

  • Page 48: Configuring In-Band Network Management Channels Based On Ecc/Gcc

    The ECC / GCC in -band network management channel and the Bridge interface-based topology automatic discovery  cannot be used at the same time. By default, the device enables the automatic topology discovery function based on the Bridge interface, and all ECC  www.fs.com...
  • Page 49 (Optional) Configure the retry count for the upper-layer PPP protocol fscom ( config-ecc /1/*)# echo retry times times on the ECC interface. The default configuration is generally used, and configuration is only required when debugging features. By default, the PPP retry count is set to 3 times. www.fs.com...

  • Page 50: Configuring A Vlan -Based Inband Network Management Channel

    The VLAN associated with the IP address of the OTNIP interface is used as the management VLAN . Management VLAN usually needs to meet the following requirements.  Other device interfaces in the network management channel link allow the management VLAN to pass through, and  www.fs.com...

  • Page 51: Configuring Cascaded Network Management Channels

    Manage cascade devices through different ports of 1 management IP address. Note SNMP address and ETH2 address of the same device cannot be in the same network segment.  ETH2 interface addresses of the connected devices must be in the same network segment.  www.fs.com...

  • Page 52: Configuring Nms Communication Parameters

    ( config )# snmpd By default, the SNMP service is enabled. View SNMP Statistics. fscom ( config )#showsnmp-server statistics Configuring SNMP Community The device uses SNMP community authentication. If community authentication fails, the device cannot be managed through the network. www.fs.com...
  • Page 53 ( config )# smp trap-bind Usually use the default configuration, and only need to modify it { any | smp | eth2​ | bridge | ecc when debugging the function. By default, the alarm reporting interface-number } binding interface is any . www.fs.com...
  • Page 54 RIP . Therefore, when using bridging to forward messages, it is also necessary to start the RIP routing function. Step Configuration Note Enter global configuration mode. fscom # config www.fs.com...
  • Page 55 ( config-snmp )#exit fscom ( config )# show ip [ static ] route [ all ] fscom ( config )# exit fscom # showriproute View RIP Routing table information. View RIP Routing configuration information. fscom # show rip www.fs.com...

  • Page 56: Configuring Nat / Napt

    ( config-nat )# ip nat management information, configure Bridge The interface is external { outside | inside } bridge or internal. Use "no" command to delete the configuration. The Bridge interface is usually configured as an internal interface. www.fs.com...
  • Page 57 For the internal interface, the local equipment performs conversion according to the conversion rules and then  communicates with the network management system. When configuring multiple translation rules, the port numbers after translation cannot be the same.  www.fs.com...

  • Page 58: Configuring Device Time

    ( config )# show clock [ summer-time-recurring ] View SNTP Configuration. fscom ( config )# show sntp 2.4. Managing Device Basic Functions 2.4.1. Configuring Basic Functions Step Configuration Note Unlock. fscom # device unlock View the current CPU utilization rate. fscom # show rotp-cpu-utilization-ratio www.fs.com...

  • Page 59: Managing Configuration Data

    { { enable | disable } | period value } disable this function. By default, the device has enabled the automatic configuration file saving function, and automatically saves the configuration file every 5 minutes. View information about the Auto-save configuration fscom ( config )#showcfg-autosave-info feature. www.fs.com...

  • Page 60: Configuring Fans

    By default, the user authority level is administrant , which means system administrator . Modify the current user's login password. fscom # password Save the configuration information of the added user. fscom # save user View all user account information. fscom # show user www.fs.com...

  • Page 61: Configuration Examples

    Figure 2-1 Network connection Prerequisites The host has been connected to the SNMP interface of the device through a network cable .  The Host has established a Telnet connection to the device and entered Privileged User Mode on Device A.  www.fs.com...
  • Page 62 Administration Status : up Operation Status : up Description: snmp Internet address : 192.168.6.6 Netmask : 255.255.255.0 /*Check that the IP address and mask are consistent with the plan* Ethernet address : 73:6 e :6 d :70:00:00 Duplex : full-duplex Speed :100 baseT Autonegotiation : enable www.fs.com...

  • Page 63: Deploying The Device

    Host A, NView NNM Server, SNTP Server, and Device A are reachable.  The device has been connected to Telnet and has entered privileged user mode.  Configuration steps Step 1 Set Hostname to DeviceA to facilitate device identification. www.fs.com...
  • Page 64 Current system time : 06/01/2019 11:03:16 +08:10 Check the results Add and synchronize Device A on the network management system.  Use the show sntp command to check whether the configuration information and the synchronized SNTP server  information are consistent with the plan. www.fs.com...

  • Page 65: Configuring Cascaded Network Management

    The SNMP and ETH2 addresses of the same network element must also be in different subnets. The ETH2 addresses of the network elements at both ends of the cascaded network management channel must be in the same subnet. www.fs.com...
  • Page 66 DeviceA ( config-nat )# ip nat outside smp DeviceA ( config-nat )# ip nat inside eth2​ Step 6 Configure conversion rules. DeviceA ( config-nat )# ip nat overload tcp 20.0.0.3 23 20005 DeviceA ( config-nat )# ip nat overload udp 20.0.0.3 161 20006 www.fs.com...

  • Page 67: Otn Services

    3. OTN Services This chapter describes how to configure OTN service-related functions of the device. Introduction  Configuring Interfaces  Configuring Cross-connections  Configuring OTN Overhead  www.fs.com...

  • Page 68: Introduction

    10G Any service including 10 GE / OTU2 / OTU2 e / STM -64/8 G FC / 10G FC (Fiber Channel , Fibre Channel) service.  When Panel Interface 17 uses a QSFP+ PSM4 optical module and MPO-LC breakout cable, it supports the br  eakout into 4 x 10G Any Service SFP+ interfaces (with interface numbers 19 to 22). www.fs.com...
  • Page 69 SFP+ (must upport 16G Not supported FC, up to 6 channels) 9 to 16 SFP+ (must support 16G FC, up to 6 channels) 10G​ SFP + 1 to 16 17 (corresponding QSFP + PSM 4 fan-out interfaces 19 to 22) www.fs.com...
  • Page 70 QSFP + PSM 4 fan-out means that when the QSFP + PSM 4 optical module uses MPO-LC branch fiber, 1 MPO interface  fiber is converted into 4 dual-fiber LC interface fibers to connect 4 SFP + optical modules. ODUk cross-connect type supports client side to line side and line side to line side.  www.fs.com...

  • Page 71: Otn Services

    ±20 ppm . Table 3-3 OTUk rate OTUk Nominal Rate Approximate Value of Nominal Rate Rate Abbreviation OTU1 255/238 ×2488320 kbit / s 2666057.143 kbit / s 2.5G OTU2 255/237 ×9953280 kbit / s 10709225.316 kbit / s 10G​ www.fs.com...
  • Page 72 OPUk : 238/(239- k )× STM N. Where "238/(239- k )" represents the ratio of " OPUk payload" to " OPUk payload without  padding bytes ". OPU0 can also be calculated using the above formula, but "238/(239-0)" represents the ratio of OPU0 payload to the number of ODU0 bytes. www.fs.com...
  • Page 73 100GE services are mapped to ODUflex or OPU4 through GFP-F (Frame mapped Generic Framing Procedure).100 GE  service passed GMP ( Generic Mapping Procedure , General Mapping Procedure) is mapped to OPU4 . 40GE services are mapped to ODUflex or OPU3 via GFP-F .  www.fs.com...
  • Page 74 ODUk_LCK: ODUk Locked Defect (LCK). The ODUk signal (by default) repeats the "01010101" pattern. When the STAT  overhead is set to "101", it consistently indicates an LCK signal. The LCK signal is used to indicate that the upstream www.fs.com...

  • Page 75: Otn Overhead

    SAPI , DAPI , TTI ( Trail Trace Identifier , path trace identifier). TTI supports configuration and viewing in the form of  hexadecimal numbers or text. TTI is a string of 64 bytes, and one OTUk multiframe is transmitted four times (64 bytes each time, each byte is in  www.fs.com...
  • Page 76 Enable TIM to respond in the future: insert the corresponding layer of AIS and send the corresponding layer of BDI  back to the peer end . Defect Indication , backward defect indication). Prohibit TIM from responding: No subsequent processing is performed.  www.fs.com...
  • Page 77  values are as follows. 001: Normal channel signal.  101: ODUk-LCK maintenance signal.  110: ODUk-OCI maintenance signal.  111: ODUk-AIS maintenance signal.  The remaining 4 values are reserved.  Applicable only to TCM- level overhead functions www.fs.com...
  • Page 78 STAT value is "000", it means that the tandem connection is unavailable and the ODUk _ TCMi _ LTC alarm is generated. After the ODUk _ TCMi _ LTC alarm is generated, the processing method is as follows according to the www.fs.com...

  • Page 79: Configuring The Interfaces

    In 100G mode, the line side consists of two 100G interfaces, each capable of supporting the transmission of one OTU4 service. In 200G mode, the line side consists of one 200G interface, which supports two transmission channels, with each channel www.fs.com...
  • Page 80 { odu1 | odu2 | odu2e | odu3 ODUk time slot mapping | oduflex } { line interface-number / odu-number | clien interface-number / odu-number line-200g 1/ otu4-channel/odu-number } This command is used to delete all time slot mappings. fscom ( config )# timeslot del al www.fs.com...
  • Page 81 Interfaces L1/L2/C17/C18 with ODU1 (numbered 1 to 40)/ODU2 (numbered 1 to 10)/ODU2e (numbered 1 to 10)/ODU3 (numbered 1 and 2)/ODUflex (numbered 1 to 80), and interfaces C1 to C16/C19 to C22 with ODU1 (numbered 1 to 4)/ODUflex (numbered 1 to 8) must have timeslots added using the `timeslot` command before configuring www.fs.com...

  • Page 82: Configuring G.hao Function

     `timeslot stop` command should be used to stop the adjustment process on both ends, and then the `timeslot add` command can be used again to perform the adjustment. The `timeslot stop` command will cause the service to first www.fs.com...

  • Page 83: Configuring Cross-Connections

    Cross-connect refers to configuring the electrical layer signal cross-connect for WDM services, known as electrical  cross-connect functionality. After configuring ODUk mapping, the electrical cross-connect function enables the device to cross-connect the client-side or line-side ODUk to the line-side ODUk. This allows for flexible configuration, scheduling, and www.fs.com...
  • Page 84 ODUk interface format on the line side is " interface-number / odu-number ", the interface-number value range is 1 and  2, and the odu-number value range is 1~80 ( ODU0/ ODUflex ), 1~40 ( ODU1), 1~10 ( ODU2/ ODU2e ), 1~2 ( ODU3), 1 ( ODU4). www.fs.com...
  • Page 85 { 100ge-gmp | 100ge } odu4 source [ line | ( GFP-F encapsulation) service to the ODU4 cross-connection client | line-200g ] source-channel sink [ line | the line side interface. client |line -200 g] Sink-channel [Unid| bidi ] www.fs.com...
  • Page 86 ( config )# no crossconnect ( GFP-F encapsulation) service to the ODU4 of the line side { 100ge-gmp | 100ge } odu4 source [ line | interface Cross connection . client | line-200g ] source-channel sink [ line | clien www.fs.com...

  • Page 87: Configuring Otn Overhead

    OTU4 services without unpacking to line-side, and pass- through cross-connections from line-side to line-side. Check out Cross Connect. fscom ( config )# show crossconnect 3.4. Configuring OTN Overhead OTN service overhead includes OTN overhead and SDH overhead. OTN overhead:  www.fs.com...

  • Page 88: Configuring Opu Overhead

    MSIM (Multiplex Structure Identifier Mismatch) AIS Insertion function for ODUk: The "expected MSI" and the "actual  MSI" values should be the same. If they differ, an OPUk_MSIM alarm will be reported. When reporting an alarm, if the MSIM AIS insertion function is enabled, AIS will also be inserted simultaneously. Step Configuration Note www.fs.com...
  • Page 89 By default, this feature is disabled. Configure PLM Alarm insert AIS . fscom ( config-line /*)# plm insert-ais Applicable to Line Interface configuration mode/Client Interface { enable | disable } configuration mode / ODUk Client Interface configuration mode. By default, this feature is disabled. www.fs.com...
  • Page 90 0x03 ( STM-16 to ODU1 , BMP Mapping ) 0x04 ( ATM Mapping ) 0x05 ( GE to ODU1 , GFP Mapping ) 0x06 ( Virtual concatenation ) 0x07 ( GE to ODU0 , TTT + GMP Mapping ) 0x08 ( FC-1200 to ODU2e Mapping ) www.fs.com...

  • Page 91: Configuring Sm Overhead

    -chn 1 / otu4-channel : line side interface,  applicable to 200G mode. The interface mode configuration includes functions such as FEC, GCC, overhead, maintenance signal, etc. In integer form, the value range of otu4-channel is 1 and 2. This mode also supports ODUk www.fs.com...

  • Page 92: Configuring Pm Cost

    SAPI , DAPI , TTI with user-defined monitoring functions .  BIP -8 monitoring function parameters.  BEI monitoring function parameters.  Subsequent response and monitoring functions of TIM alarms.  Non-intrusive monitoring capabilities.  Step Configuration Note Enter global configuration mode. fscom # config www.fs.com...
  • Page 93 . over-threshold threshold : error threshold, in integer form ,  ranging from 3 to 5 , representing 1.0 E -3 to 1.0 E -5 respectively . By default, the error degradation threshold is 6 and the error crossing www.fs.com...
  • Page 94 [ expected expmsg ] } Check interface configuration information. fscom ( config-line /*)# show interface Note ODUk interfaces on the line side and the client side , as well as the Client-ODUk interfaces corresponding to non- OTN  www.fs.com...

  • Page 95: Configuring Tcm Cost

    The configuration in this interface mode includes interface-number/odu-number functions such as FEC, GCC, overhead, maintenance signals, etc. The integer form, otu4-channel value range is 1 and 2. This mode also supports the configuration of ODUk related to OTU4 service. www.fs.com...
  • Page 96 | disable } By default, this feature is disabled. Enable the non-intrusive monitoring function, use the "disable" fscom ( config-line /*)# tcm tcm-number non-intrusive monitor { enable | disable } command to disable the function. By default, this feature is disabled. www.fs.com...

  • Page 97: Configuring Gcc Overhead

    Configuring GCC Overhead 3.4.5. GCC overhead supports configuring whether to disable the GCC function on an interface, or enable the GCC function and select the GCC channel to use . Step Configuration Note Enter global configuration mode. fscom # config www.fs.com...

  • Page 98: Configuring Sdh Overhead

    By default, the J0 string is set to 0x1. expected string Configure regenerator section trace byte J0 string pattern. fscom ( config-client /*)# sdh overhead j 0- By default, the J0 string pattern is in single-byte mode. mode { 1 byte | 16 bytes } www.fs.com...

  • Page 99: Configuring Fec

    Applicable to version A ( UC 2-100 G / DCO ( A ), UC 2-100 G / DCO-E ( A ), UC 2-200 G / DCO ( A ), UC 2-200 G / DCO-E ( A )) modules. Note www.fs.com...
  • Page 100 : threshold value, integer, range is 3 to 9 ,  representing1.0E-3 to 1.0E-9 respectively . For enabling FEC Functional devices, when performing  FEC Before error correction , the bit error rate will be www.fs.com...

  • Page 101: Configuring Encryption

    For a service that has been cross-connected, the administrator first configures the service as an encryption service for a certain encryption user. The encryption user then logs in to the device and configures the encryption function enable/disable and authentication information for the service. Step Configuration Note Enter global configuration mode. fscom # config www.fs.com...
  • Page 102 ( config )#showencryption info The maximum number of encryption services is specified when ordering the device or purchased separately. Use this command to view the current maximum number of encryption services and the number of encryption services used by the device. www.fs.com...

  • Page 103: Configuring Encryption Services (Applicable To Encryption Users)

    . s tring : authentication information, in string format, with a length ranging from 16 to 32 characters By default, the authentication information is fscom Encryption . www.fs.com...
  • Page 104 { odu2 | odu2e | odu3 | odu4 | oduflex } { line interface-number/odu-number | line-200g 1/ otu4-channel/odu- number } View the encrypted service information of the current user. fscom ( encryption )# show encryption path www.fs.com...

  • Page 105: Configuration Examples

    ODU0 timeslots. DeviceA ( config )# timeslot add ODU2 line 1/3 1-8 Step 4 Configure the C1 interface to cross-connect the third ODU2 of the L1 interface . DeviceA ( config )# crossconnect 10 ge ODU2 source 1 sink 1/3 www.fs.com...

  • Page 106: Configuring Encryption Services

    PC A can access the device Bridge interface through the DCN network . The SNMP interface IP addresses of different devices must be in different network segments, and the SNMP interface and Bridge interface IP addresses must be in different network segments. www.fs.com...
  • Page 107 Configure the 3rd ODU2 timeslot mapping function of the line-side L1 interface Channel 1. The ODU2 interface maps the 1st to 8th ODU0 timeslots. DeviceA ( config )# timeslot add ODU2 line -200 g 1/1/3 1-8 Configure the C1 interface to bidirectionally cross-connect the third ODU2 of the L1 interface ChanneL1 . Step 4 www.fs.com...
  • Page 108 In encryption configuration mode, the encryption user uses the `show encryption-state odu2 line-200g 1/1/3` comma  nd to view encryption service function information and the `show encryption auth-info odu2 line-200g 1/1/3` comma nd to view encryption service authentication information. Client A 's service can be transmitted normally.  www.fs.com...

  • Page 109: Reliability

    WTR time. During the WTR waiting process, if the protection switching execution conditions are met (for example, the SF / SD conditions of the protection group trigger the www.fs.com...
  • Page 110 This type of switching is called one-way (protection) switching. Bidirectional switching: When a unidirectional fault occurs, both directions of the path, subnet connection, etc.,  including the affected and unaffected directions, will be switched. This switching is called bidirectional (protection) www.fs.com...
  • Page 111 SD condition is a protection switching trigger condition caused by signal degradation. The protection group supports the configuration of whether to perform automatic protection switching based on SD condition. Enable SD conditions: The protection group performs switching based on SD conditions.  www.fs.com...

  • Page 112: Och 1+1 Protection

    (such as protection switching trigger conditions or alarms). Therefore, the protection switching action is executed by the destination end. www.fs.com...

  • Page 113: Client Side Interface 1+1 Protection

    In addition to OTU2 and OTU4 services, when the client-side interface of 18M2C2 accesses other services, it supports 1+1 protection of the client-side interface. The protection features are described as follows. The switching trigger condition supports SF .  www.fs.com...

  • Page 114: Oduk Sncp

    SNC / S : Sub-layer monitoring . SF / SD conditions are determined by monitoring TCM . SF / SD conditions are  determined by monitoring the TCM overhead of the service layer and the local network . www.fs.com...
  • Page 115 At the destination end, the received service information from the two line-side interfaces is selectively accepted. In  normal line conditions, the service is received from the working channel. In the event of a failure, the service is received from the protection channel. www.fs.com...
  • Page 116 Depending on the selected monitoring mode, you need to configure the corresponding overhead function for the  monitored layer. For details about how to configure the overhead function, see "3.4 Configuring OTN Overhead". Figure 4-3 ODUk SNCP monitoring mode selection process www.fs.com...
  • Page 117 When ODU2 Do not demultiplex and encapsulate into  OTU2 , j =2 . When there is low-order ODU multiplexing to  high-order ODU and then encapsulation to OTU, For OTU4 service, j=0, 1, 2, 2e, 3, flex, and for www.fs.com...
  • Page 118 TCMi alarms but will not perform switching based on these TCMi alarms. TCMi-related alarms include ODUk_TCMi_LCK, ODUk_TCMi_AIS, ODUk_TCMi_OCI, ODUk_TCMi_LTC, and ODUk_TCMi_TIM, with k=4 for OTU4 services and k=2 for OTU2 services. www.fs.com...

  • Page 119: Configuring Och 1+1 Protection And Client-Side Interface 1+1 Protection

    ( config )# och { line | client } work work-channel delete the configuration protect protect-channel Configuring OCh Automatic return mode after fscom ( config )# och-mode index index the protection group fails . { revertive | nonrevertive } The default is non-returnable. www.fs.com...

  • Page 120: Configuring Protection Switching Operations

    Please select various operations for configuring protection switching according to the actual situation. Step Configuration Note Enter global configuration mode. fscom # config Configuring OCh Forced switching operation fscom ( config )#och-force-switchindex index { work-line | protection-line | clear } of the protection group. The default is automatic protection switching state. www.fs.com...

  • Page 121: Configuring Oduk Sncp Protection

    OCh 1+1 protection cannot be configured with protection ODUk SNCP . When you delete a protection group, the SNCP protection channel cross-connection and SNCP protection group will be  deleted. If the working channel has failed, the service will be interrupted due to the loss of protection function. Please www.fs.com...

  • Page 122: Configuring A Protection Group

    { snc-i | snc-n | snc-s } The default is SNC/I inherent monitoring mode. Configure the SD condition-triggered protection fscom ( config )# sncp-triggerindex switching function of the SNCP protection group. index sd { enable | disable } The SD condition-triggered protection switching is www.fs.com...

  • Page 123: Configuring Protection Switching Operations

    ( config )#sncp-force-switchindex index { work-line | protection-line | clear } of the protection group. The default is automatic protection switching state Configuring SNCP Manual switching operation fscom ( config )# sncp-manual-switch index index { work-line| protection-line of the protection group. The default i www.fs.com...

  • Page 124: Configuration Examples

    On Device In privileged user mode of A , enter global mode. DeviceA # config DeviceA ( config )# Step 2 Configure the protection group. DeviceA ( config ) # line work 1 protect 2 Step 3 View the protection group information. www.fs.com...
  • Page 125 On Device Configure manual switching to the backup channel on A. DeviceA ( config )# och-manual-switch index 1 protection-line Step 2 On Device Configure manual switching to the backup channel on B. DeviceB ( config )# och-manual-switch index 1 protection-line www.fs.com...

  • Page 126: Configuring Oduk Sncp 1+1 Protection

    Other parameters use the default parameters. Figure 4-5 Network connection Table 4-2 Planning parameters Device Protected Working channel Protection channel Through-Crossing Channel Device A L1 3 rd ODU2 L2 4th ODU2 Device B L1 3 rd ODU2 is cross-connected to L2 4th ODU2 www.fs.com...
  • Page 127 Configure the L1 3rd ODU2 timeslot mapping function on the line side. The ODU2 interface maps the L1 1st to 8th ODU0 timeslots. DeviceB ( config )# timeslot add ODU2 line 1/3 1-8 Step 3 Configure the L2 4th ODU2 timeslot mapping function on the line side. The ODU2 interface maps the L2 1st to 8th ODU0 timeslots www.fs.com...
  • Page 128 The services of Client A and Client B can be transmitted normally.  Configuration steps-Configure Device D for pass-through crossover Step 1 On Device D' s privileged user mode enters global mode. DeviceD # config DeviceD ( config )# www.fs.com...

  • Page 129: Performance Management

    5.1. Introduction The performance management module can realize the following functions. Use the performance query function to query the current or historical performance data of the device itself or service  transmission. Generate alerts based on performance threshold conditions.  www.fs.com...

  • Page 130: Configuring Performance Monitoring Function

    ( config )# perf-monitor-statistic ODUk interface. . {client interface-number |Client-oduk interface-number |line interface-number |line -200 g1/ OTU4- channel }{enable| disable } Check the global performance statistics fscom ( config )# show statistic info function status of the device. www.fs.com...

  • Page 131: Configuring Zero Performance Suppression

    ( config )# show statistic [ day ] { odu0 | odu1 | odu2 | odu2e | odu3 | odu4 | oduflex } { client interface- number/odu-number | line interface- number/odu-number | line-200g 1/ otu4- channel/odu-number } { pm | tcm tcm- number | dm } www.fs.com...

  • Page 132: Querying Historical Performance

    View historical statistics. Applicable to ODUk interface fscom(config)# show statistic [ day ] slot 1 { odu0 | odu1 | odu2 | odu2e | odu3 | odu4 | oduflex } { client interface-number/odu-number | line interface-number/odu-number }{pm|tcm tcm-number | dm } interval www.fs.com...

  • Page 133: Configuring Performance Thresholds

    ( config )# perf-threshold [ day ] client-oduk interface-number pm { es | ses | fees | feses threshol d​ Applicable to client-side interfaces for accessing fscom ( config )# perf-threshold [ day ] client services. interface-number regenerator-section { es | ses threshold ​ www.fs.com...

  • Page 134: Configuring Latency Measurement

    | tcm5 | tcm6 } Applicable to the latency measurement of the fscom ( config )# dm { enable | disable } client-oduk PM layer of the non-OTN service ODUk interface interface-number type p on the client side. www.fs.com...

  • Page 135: Clearing Statistics

    Cleared statistics cannot be restored. Please use it with caution according to actual conditions. Clearing statistics is to clear the historical performance statistics of the device, usually to prepare for the next round of statistics. Step Configuration Note Enter global configuration mode. fscom # config www.fs.com...

  • Page 136: Configuration Examples

    Device The C1 interface of A is used as the measurement transmitter. B 's C 1 interface is used as the receiving end, and  the PM level measurement device A C 1 to Device B C 1 Transmission delay between paths, devices, etc. Stop the delay measurement after measuring for a period of time  Figure 5-1 Network connection www.fs.com...
  • Page 137 DeviceA ( config )# dm enable client-oduk 1 type pm Step 5 Wait for a while and then check the delay measurement results. DeviceA ( config )# show dm dm enable client-oduk 1 type pm . last result : ok , delay frame 378, delay 4536 ns www.fs.com...

  • Page 138: Alarm Management

    This chapter introduces how to configure alarm management related functions. Introduction  Viewing Device Alarms  (Optional) Configuring Basic Functions  (Optional) Configuring Automatic Alarm Reporting  (Optional) Configuring Alarm Shielding  (Optional) Configuring Alarm Reversal  (Optional) Deleting Device Alarms  www.fs.com...

  • Page 139: Introduction

    Enabling alarm suppression can significantly reduce the number of alarms. For example, if the occurrence of Alarm A inevitably triggers Alarm B, enabling alarm suppression will suppress Alarm B,  so it will not appear in the device's alarm buffer. www.fs.com...
  • Page 140 If the interface currently has no reversible alarm, the configuration can be successful but will not actually take effect; if the interface currently has a reversible alarm, the setting is successful, the corresponding recovery alarm is reported and the reversal www.fs.com...

  • Page 141: Viewing Device Alarms

    By default, the maximum number of alarm entries is 1000 . Configure the storage mode of the current alarm table. fscom ( config )# alarmactivestorage-mode { loop | stop } By default, the storage mode of the current alarm table is wraparound mode. www.fs.com...

  • Page 142: Optional) Configuring Automatic Alarm Reporting

    If the alarm is configured to be shielded, the device will not record the shielded alarm, and the network management  system will not receive the alarm. As a result, the device failure may not be discovered. Please use it with cautio www.fs.com...

  • Page 143: Optional) Configuring Alarm Reversal

    Configure the alarm inversion feature for interfaces. fscom ( config )# alarm inverse { enable For unused interfaces, it is common to enable the alarm | disable } { OTN-C | OTN-L } interface-number inversion feature to reduce unnecessary alarms. The www.fs.com...

  • Page 144: Optional) Deleting Device Alarms

    7. Maintenance Management This chapter introduces the maintenance functions of the device and provides related configuration examples. Introduction  Configuring Optical Module  Configuring Loopback  Configuring Inserted Maintenance Signal  Configuring PRBS Error Detection  Backup and Upgrade  www.fs.com...

  • Page 145: Introduction

    Inner loop: After the data reaches the optical port from the device, it is not sent outward, but is directly sent back to the  inside of the device from the optical port. Outer loop: After data enters the device from the optical port, it is sent out directly from the optical port without  www.fs.com...

  • Page 146: Inserting Maintenance Signals

    ODUk_OCI: ODUk OCI (Open Connection Indication) has an ODUk signal typically repeating the "01100110" pattern. When  the STAT overhead is "110," it consistently indicates an OCI signal. Detection of an OCI signal at the path terminating end suggests that the upstream signal is not connected to the path source end. www.fs.com...

  • Page 147: Prbs Error Detection

    The user can modify the current configuration of the device. In order to make the current configuration the starting configuration when the device is powered on next time, it is necessary to save the current configuration to the memory to form a configuration file. The management operations of the configuration file include backup, upgrade or deletion. www.fs.com...

  • Page 148: Configuring Optical Module

    { transceiver client interface-number section takes the line side as an example. transceiver line interface-number } transceiver client interface-number : Client-side transceiver  interface, in integer form, with a range of 1 to 22. transceiver line interface-number : Line-side transceiver  www.fs.com...

  • Page 149: Configuring Coherent Optical Modules

    Configure the automatic compensation range based on the actual transmission distance to avoid incorrect compensation. high high-value :The automatic compensation upper limit, in integer form and measured in ps/nm, has a range from -16000 to 0. www.fs.com...
  • Page 150 By default, low power mode is disabled. Restart the coherent optical module. fscom ( config-transceiver-line /*)# module reset Coherent optical modules support the configuration restart function, which is usually used for debugging and maintenance . www.fs.com...
  • Page 151 /*)# Check the performance information of the coherent optical module. show interface performance Check the status of coherent optical module interfaces. Optical fscom config-transceiver-line /*)# modules with EDFA functionality also support checking transmit show interface status optical power information www.fs.com...

  • Page 152: Configuring Loopback

    By default, the interface internal } loopback feature is disabled. Check interface configuration information fscom ( config-line /*)# show interface 7.3.2. Configuring Timeslot Loopback Step Configuration Note Enter global configuration mode fscom # config www.fs.com...

  • Page 153: Configuring Inserted Maintenance Signals

    1 to 2, and the range for odu-number is 1 to 80 (ODU0/ODUflex), 1 to 40 (ODU1), 1 to 10 (ODU2/ODU2e), 1 to 2 (ODU3), and 1 (ODU4). 7.4. Configuring Inserted Maintenance Signal Notice Inserting maintenance signals will cause service interruption. Please use it with caution according to the situation. Step Configuration Note Enter global configuration mode. fscom # config www.fs.com...

  • Page 154: Configuring Prbs Error Detection

    Enabling the PRBS test may cause service interruption. Please use it with caution according to actual conditions.  Cleared statistics cannot be restored. Please use it with caution according to actual conditions.  Performing PRBS Error Detection Based on Device Interfaces 7.5.1. Step Configuration Note Enter global configuration mode. fscom # config www.fs.com...

  • Page 155: Performing Prbs Error Detection Based On Coherent Optical Module Interfaces

    ( config )# clear prbs statistics Clear performance statistics, usually to prepare for the next round of statistics. 7.6. Backup and Upgrade Notice Before upgrading, please confirm the current software version and contact technical support personnel for upgrading. www.fs.com...

  • Page 156: Configuring Syslog

    The device supports the Syslog function and can send data to a Syslog receiving server. Notice Do not delete existing Syslog files at will. If you delete the device's log files without a backup, they cannot be restored.  Please use caution according to the actual situation. www.fs.com...

  • Page 157: Configuring Basic Functions

    | emergencies | errors | informational | notifications | the terminal connected to the device), and warnings } configure the log level, use "no" command to delete the configuration. The default configuration is usually used and only needs to be modified when debugging functions www.fs.com...

  • Page 158: Optional) Configuring Log Filters

    } { { drops | includes } keyword | none } configuration. It is usually used to reduce redundant log information when troubleshooting. Apply filter, use "no" command to delete fscom ( config )# syslog { console | monitor | file | all } the configuration. discriminator value www.fs.com...

  • Page 159: Optional) Configuring Log Uploads To Syslog Server

    A C 1 to Device B The transmission quality of the path between L1 . The test cycle is 5 minutes. After executing 3 times, the PRBS test and loopback are stopped and normal service  transmission is restored. www.fs.com...
  • Page 160 Configure the third ODU2 timeslot mapping for the line-side L1 interface, mapping the first to eighth ODU0 timeslots onto the ODU2 interface. DeviceA ( config )# timeslot add ODU2 line 1/3 1-8 Step 3 Configure the C1 interface to cross-connect the third ODU2 of the L1 interface . www.fs.com...
  • Page 161 DeviceB ( config-line /1)# no loopback Check the results On Device A C 1 and Device B In L1 interface configuration mode, use the show Use the interface command to verify  that the configuration information is consistent with the plan www.fs.com...

  • Page 162: Configuring Backup And Upgrade

    (Enter '-' to return to the previous line.) Please input server IP Address:192.168.6.5 Please input FTP User name:test Please input FTP Password:test Please input FTP Server File Name: 18M2C2.conf Are you sure [ Y/N ] :y uploading, please wait... finish www.fs.com...
  • Page 163 After upgrading the system software, restart the device. The new version of the system software 18M2C2 new . z has been placed in the FTP root directory. DeviceA # download system-boot ftp ( Enter '-' to return to the previous line .) Please input server IP Address : 192.168.6.5 Please input FTP User name:test Please input FTP Password:test www.fs.com...

  • Page 164: Appendix

    Check the backed-up startup configuration files and system software files in the FTP root directory .  8. Appendix This chapter introduces the alarm list and performance indicator list supported by the device, as well as the abbreviations and terms used in this document. Alarm List  Performance Indicators List  Terminology  www.fs.com...

  • Page 165: Alarm List

    Power alar POWER_MODULE_PULL_OUT​ ​ ​ ​ ​ ​ POWER_ABNORMAL​ ​ Dying Gasp Fan alarm FAN_ABNORMAL​ ​ FAN_MODULE_PULL_OUT​ ​ ​ ​ ​ ​ OTN service alarm Table 8-2 OTN service alarms English name OPUlayer MSIM OPU4 LOOMFI PM layer of ODU www.fs.com...
  • Page 166 18M2C2 CLI COMMAND MANUAL TCM layer of ODU BIAE BIP8 Over BIP8 Deg SM layer of OTU BIAE OTN frame processing SDH service alarm www.fs.com...
  • Page 167 Table 8-5 FC service alarms English name Optical module alarm Table 8-6 Optical module alarms English name SFP_PULL_OUT​ ​ ​ ​ SFP_R_LOS​ ​ ​ ​ SFP _ TMP _ HIGHER SFP_TMP_LOWER​ ​ ​ ​ SFP_LIFE_EXPIRED​ ​ ​ ​ SFP _ C _ HIGHER www.fs.com...

  • Page 168: Performance Indicators List

    English name Performance Indicators for OTUk OTUk_OFS​ ​ OTUk_SM_BIP8_BBE​ ​ ​ ​ ​ ​ OTUk _ SM _ BIP 8 _ ES OTUk _ SM _ BIP 8 _ SES OTUk_SM_BIP8_UAS​ ​ ​ ​ ​ ​ OTUk_SM_FEBBE​ ​ ​ ​ www.fs.com...
  • Page 169 ODUk_TCMi_FEES​ ​ ​ ​ ODUk_TCMi_FESES​ ​ ​ ​ ODUk_TCMi_FEUAS​ ​ ​ ​ ODUk_TCMi_IAES​ ​ ​ ​ ODUk_TCMi_BIAES​ ​ ​ ​ Note OTN service performance indicators support performance indicator monitoring in 15-minute and 24-hour cycle units. SDH service performance indicators www.fs.com...
  • Page 170 Received unicast packets Received broadcast packets Received multicast packets Transmit normal packets Transmit packets Transmit bytes Transmit unicast packets Transmit broadcast packets Transmit multicast packets Speed Statistics 8G​ FC service performance indicators Table 8-10 8G FC service performance indicators English name www.fs.com...
  • Page 171 Optical module performance indicators Table 8-12 Optical module performance indicators English name Transceiver temperature TX optical power RX optical power TX bias current Supply voltage Lane TX bias current Lane TX optical power Lane RX optical power Lane Transceiver temperature Module XSNR www.fs.com...

  • Page 172: Terminology

    (only the receiving end switches), which has a fast switching speed but low channel utilization . Alarm Information reported by a device or network management system when a fault is detected . Alarm Auto-Report The device records the alarms that meet the reporting rules and reports www.fs.com...
  • Page 173 For example, the IP message from the IP protocol is mapped into the data part of the 802.1Q protocol, and the outer layer is encapsulated by www.fs.com...
  • Page 174 Modulation The characteristic quantity that characterizes an oscillation or wave varies with a signal or another oscillation or wave. A process of change and transformation . www.fs.com...
  • Page 175 It is currently the most widely used network management protocol in TCP / IP networks. Syslog Device logs that conform to the Syslog protocol format defined in RFC 3164 . www.fs.com...
  • Page 176 Re-amplifying , Re-shaping , Re-timing Advanced Encryption Standard Alarm Indication Signal Address Resolution Protocol Automatic Protection Switching Asynchronous Transfer Mode Bit Error Rate Bit Interleaved Parity Chromatic Dispersion CPU​ Central Processing Unit Cyclic Redundancy Check CWDM CoarseWavelength Division Multiplexing Data Communication Channel www.fs.com...
  • Page 177 Multiplex Section NAPT Network Address Port Translation Network Address Translator OADM Optical Add / Drop Multiplexer OAM Protocol Data Units Optical Line Amplifier Out Of Frame OSNR Optical Signal to Noise Ratio Optical Transport Network Optical Transponder Unit Personal Computer www.fs.com...
  • Page 178 Secure Shell SSHv2​ Secure Shell version 2 Synchronous Transport Module Transparent Clock Trellis Coded Modulation Transmission Control Protocol TFTP Trivial File Transfer Protocol Trace Identifier Mismatch Unavailable Seconds User Datagram Protocol VLAN Virtual Local Area Network Wait To Restore www.fs.com...

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