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Cisco STM-1 Manual

Multichannel port adapter for the cisco 7500 series router
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Multichannel STM-1 Port Adapter for the
Cisco 7500 Series Router
This feature module describes the Multichannel STM-1 Port Adapter (PA-MC-STM-1). It includes
information on the benefits of this port adapter, supported platforms, related documents, configuration
examples and a command reference detailing new and enhanced commands.
This document includes the following sections:
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Monitoring and Maintaining the PA-MC-STM-1, page 22
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Configuration Examples, page 22
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Command Reference, page 24
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Glossary, page 47
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Feature Overview
The PA-MC-STM-1 is a high-speed single-port multichannel STM-1 port adapter. You can configure the
PA-MC-STM-1 as a multichannel E1/E0 STM-1 port. The PA-MC-STM-1 can be configured into 63
individual E1 links. Each E1 link can carry a single channel at full or fractional rates, or be broken down
into multiple DS0 or Nx64 Kbps rates. The PA-MC-STM-1 supports up to three TUG-3/AU-3 transport
slots numbered 1 through 3. You can configure each TUG-3/AU-3 to carry 21 SDH TU-12s. Each SDH
TU-12 is capable of carrying a channelized E1 frame, which can be unchannelized to N*64 Kbps
timeslots.
12.0(14)S
1

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Summary of Contents for Cisco STM-1

  • Page 1: Table Of Contents

    E1 links. Each E1 link can carry a single channel at full or fractional rates, or be broken down into multiple DS0 or Nx64 Kbps rates. The PA-MC-STM-1 supports up to three TUG-3/AU-3 transport slots numbered 1 through 3. You can configure each TUG-3/AU-3 to carry 21 SDH TU-12s. Each SDH TU-12 is capable of carrying a channelized E1 frame, which can be unchannelized to N*64 Kbps timeslots.

  • Page 2: Feature Overview

    Figure 1 illustrates the synchronous digital hierarchy (SDH) multiplexing structure supported on the PA-MC-STM-1. The PA-MC-STM-1 multiplexing structure is a subset of that defined in ITU-T G.707. At the lowest level, containers are input into virtual containers (VC) with stuffing bits to create a uniform VC payload with a common bit-rate, ready for synchronous multiplexing.

  • Page 3: Supported Platforms

    No new or modified MIBs are supported by this feature. To obtain lists of MIBs supported by platform and Cisco IOS release and to download MIB modules, go to the Cisco MIB web site on Cisco Connection Online (CCO) at http://www.cisco.com/public/sw-center/netmgmt/cmtk/mibs.shtml.

  • Page 4: Prerequisites

    The PA-MC-STM-1 requires a VIP4-80 installed in a Cisco 7500 series router. Configuration Tasks See the following sections for configuration tasks for the PA-MC-STM-1. Each task in the list indicates if the task is optional or required. Configuring the SONET Controller (Required) •...
  • Page 5 SONET controller. No description is the default. Configuring an AU-3 Each of the administrative unit group (AUGs) and tributary unit group (TUGs) of a PA-MC-STM-1 can be configured to carry a set of E1 links that are mapped into TU-12s. To configure the AUG mapping to...
  • Page 6 Configuration Tasks Configuring a TUG-3 Each of the administrative unit group (AUGs) and tributary unit group (TUGs) of a PA-MC-STM-1 can be configured to carry a set of E1 links that are mapped into TU-12s. To configure the AUG mapping to...
  • Page 7 Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router Configuration Tasks Command Purpose Step 5 Specifies the mode of operation of the AU-3. Router(config-ctrlr-au3)# mode c-12 • c-12—The AU-3 is divided into 21 TU-12s each carrying an E1. Step 6 Creates a logical channel group on an E1 line.
  • Page 8 Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router Configuration Tasks Configuring a Channel Group on an E1 of a TUG-3 Command Purpose Step 1 Enters SONET controller configuration mode. Router(config)# controller sonet slot/port-adapter/port Step 2 Configures the framing mode of the to SDH.
  • Page 9 Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router Configuration Tasks Command Purpose Step 8 Selects the channel group interface to configure. Router(config)# interface serial slot/port-adapter/port.au-4-number/tug-3-number/tug-2- number/ e1-number:channel-group-number When an unframed (clear Note channel logical channel group is configured on an E1...
  • Page 10 Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router Configuration Tasks Step 6 Specifies the clock source to be used by the E1 Router(config-ctrlr-au3)# tug-2 tug-2-number e1 e1-number clock source {internal | line} line. tug-2-number—a number in the range of •...
  • Page 11 Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router Configuration Tasks Step 9 Specifies a loopback for an E1 line. Router(config-ctrlr-au3)# [no] tug-2 tug-2-number e1 e1-number loopback [local | network {line | payload}] tug-2-number—a number in the range of •...
  • Page 12 Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router Configuration Tasks Step 6 Specifies the clock source to be used by the E1 Router(config-ctrlr-tug3)# tug-2 tug-2-number e1 e1-number clock source {internal | line} line. tug-2-number—a number in the range of •...
  • Page 13 Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router Configuration Tasks Step 9 Specifies a loopback for an E1 line. Router(config-ctrlr-tug3)# [no] tug-2 tug-2-number e1 e1-number loopback [local | network {line | payload}] tug-2-number—a number in the range of •...
  • Page 14 Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router Configuration Tasks Verifying the Configuration You can verify the configuration and status of the controller by using the show controller commands as detailed below. When AUG mapping is AU-4, view information about the SONET controller using the sonet controller sonet port/port-adapter/port [brief | tabular] command.
  • Page 15 Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router Configuration Tasks Data in current interval (137 seconds elapsed): 0 Line Code Violations, 0 Path Code Violations 0 Slip Secs, 0 Fr Loss Secs, 0 Line Err Secs, 0 Degraded Mins...
  • Page 16 Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router Configuration Tasks Higher Order Path Status: Path# 1 has no defects Lower Order Path Status: VC-12 1/1/1/1 has no defects VC-12 1/1/1/2 has no defects VC-12 1/1/1/3 has no defects...
  • Page 17 Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router Configuration Tasks When AUG mapping is AU-3, view information about the SONET controller using the sonet controller sonet port/port-adapter/port [brief | tabular] command. Router# show controller sonet 2/0/0 SONET 2/0/0 is up.
  • Page 18 Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router Configuration Tasks [display text omitted] Router# show controller sonet 2/0/0 brief SONET 2/0/0 is up. Channelized OC-3/STM-1 SMI PA H/W Version :0.2.3, ROM Version :1.2 FREEDM version :2, F/W Version :1.2.0 Applique type is Channelized Sonet/SDH Clock Source is Internal, AUG mapping is AU3.
  • Page 19 Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router Configuration Tasks VC-12 1/1/1 has no defects VC-12 1/1/2 has no defects VC-12 1/1/3 has no defects VC-12 1/2/1 has no defects [display text omitted] Regenerator Section: INTERVAL SEFS 21:22-21:24...
  • Page 20 Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router Configuration Tasks When AUG mapping is AU-4, view information about a specific E1 line of a SONET controller, using the show controller sonet slot/port-adapter/port.au-4-number/tug-3-number/tug-2-number/e1-number [brief | tabular] command. This command displays error and performance statistics.
  • Page 21 Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router Configuration Tasks When AUG mapping is AU-3, view information about a specific E1 line of a SONET controller, using the show controller sonet slot/port-adapter/port.au-3-number/tug-2-number/e1-number [brief | tabular] command. This command displays error and performance statistics.
  • Page 22 Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router Monitoring and Maintaining the PA-MC-STM-1 Monitoring and Maintaining the PA-MC-STM-1 Use the command detailed below to monitor and maintain the PA-MC-STM-1: Command Purpose Displays the interface statistics of a Router# show interface serial 2/0/0.1.1.1.1:1 Serial2/0/0.1/1/1/1:1 is up, line protocol is up...
  • Page 23 Configuration Examples Configuring the PA-MC-STM-1 You can configure each of the AUGs and TUGs of a PA-MC-STM-1 to carry a set of E1 links that are mapped into tributary unit level-12s (TU-12s). In the following example, SDH framing, internal clock source, AUG mapping au-4 and idle pattern are...
  • Page 24 Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router Command Reference Configuring an E1 Unframed Channel To create an unframed or clear channel logical channel group on an E1 line, use the tug-2 tug-2-number e1 e1-number unframed command, as shown in the example below:...
  • Page 25 12.0(14)S This command was introduced. Usage Guidelines An AUG of an STM-1 can be derived from either AU-3s or an AU-4. Use the aug mapping au-3 configuration controller command to map the AUG to an AU-3 with the following muxing/alignment/mapping: C-12 <-->...
  • Page 26 12.0(14)S This command was introduced. Usage Guidelines An AUG of an STM-1 can be derived from either AU-3s or an AU-4. Use the aug mapping au-4 configuration controller command to map the AUG to an TUG-3 with the following muxing/alignment/mapping: C-12 <-->...
  • Page 27 This command was introduced. Usage Guidelines An AUG of an STM-1 can be derived from either AU-3s or an AU-4. If you configure the AUG mapping to AU-3, the following muxing/alignment/mapping is configured: C-12 <--> VC-12 <--> TU-12 <--> TUG-2 <--> VC-3 <--> AU-3 <--> AUG If you configure the AUG mapping to AU-4 the following muxing/alignment/mapping is configured: C-12 <-->...
  • Page 28 Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router aug mapping Related Commands Command Description au-3 au-3-number Specifies an AU-3 for configuration. au-4 au-4-number Specifies a TUG-3 for configuration. tug-3 tug-3-number 12.0(14)S...
  • Page 29 Modification 12.0(14)S This command was introduced. Usage Guidelines Use the framing command to select the framing mode, SONET or SDH, for the PA-MC-STM-1. Examples The following example configures the framing mode of the PA-MC-STM-1 to SDH: Router# controller sonet 2/0/0...
  • Page 30 This command was introduced. Usage Guidelines You can configure each of the TUG-3s or AU-3s of a PA-MC-STM-1 to carry a set of TU-12s (E1s mapped into TU-12s). The mode c-12 command configures the mode of operation of a TUG-3 or AU-3 and specifies that the TUG-3 or AU-3 is divided into 21 TU-12s, each carrying an E1.
  • Page 31 Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router tug-2 e1 bert pattern tug-2 e1 bert pattern To send a BER test pattern on an E1 line that has been mapped to a TUG-3, use the tug-2 e1 bert pattern configuration controller tug-3 command.
  • Page 32 Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router tug-2 e1 bert pattern Examples The following example sends a BER 2^11 pseudorandom pattern through E1 line 1, that has been mapped to a TUG-3, for five minutes: Router(config)# controller sonet 2/0/0...
  • Page 33 Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router tug-2 e1 channel-group timeslots tug-2 e1 channel-group timeslots To create a logical channel group on an E1 line that has been mapped to a TUG-3, use the tug-2 e1 channel-group timeslots configuration controller tug-3 command.
  • Page 34 Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router tug-2 e1 channel-group timeslots Examples The following example configures logical channel group 15 on E1 1, that is mapped to a TUG-3, and assigns channelized timeslots 1 to 5 and 20 to 23:...
  • Page 35 E1 line that has been mapped to an AU-3 via the aug-mapping au-3 command. Examples The following example configures E1 line 1, that has been mapped to a TUG-3 to use the PA-MC-STM-1 as the clock source:...
  • Page 36 Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router tug-2 e1 clock source Related Commands Command Description aug-mapping au-4 Configures the AUG mapping mode of the PA-MC-STM-1 to TUG-3. au-4 au-4-number tug-3 tug-3-number Specifies a TUG-3 for configuration. aug-mapping au-3 Configures the AUG mapping mode of the PA-MC-STM-1 to AU-3.
  • Page 37 Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router tug-2 e1 framing tug-2 e1 framing To set the type of framing used by an E1 line that has been mapped to a TUG-3, use the tug-2 e1 framing configuration controller tug-3 command.
  • Page 38 Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router tug-2 e1 framing The following example configures E1 line 1, that has been mapped to an AU-3, to use basic framing: Router(config)# controller sonet 2/0/0 Router(config-controller)# aug mapping au-3 Router(config-controller)# au-3 1...
  • Page 39 Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router tug-2 e1 loopback tug-2 e1 loopback To specify a loopback on an E1 line that has been mapped to a TUG-3, use the tug-2 e1 loopback configuration controller tug-3 command.
  • Page 40 Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router tug-2 e1 loopback The following example sets E1 line 1, that has been mapped to an AU-3, into network line loopback: Router(config)# controller sonet 2/0/0 Router(config-controller)# aug mapping au-3 Router(config-controller)# au-3 1...
  • Page 41 Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router tug-2 e1 national bits tug-2 e1 national bits To set the national reserved bits on an E1 line that has been mapped to a TUG-3, use the tug-2 e1 national bits configuration controller tug-3 command.
  • Page 42 Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router tug-2 e1 national bits Related Commands Command Description aug-mapping au-4 Configures the AUG mapping mode of the PA-MC-STM-1 to TUG-3. au-4 au-4-number tug-3 tug-3-number Specifies a TUG-3 for configuration. aug-mapping au-3 Configures the AUG mapping mode of the PA-MC-STM-1 to AU-3.
  • Page 43 Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router tug-2 e1 shutdown tug-2 e1 shutdown To shut down an individual E1 line that has been mapped to a TUG-3, use the tug-2 e1 shutdown configuration controller tug-3 command. To shut down an individual E1 line that has been mapped to an AU-3, use the tug-2 e1 shutdown configuration controller au-3 command.
  • Page 44 Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router tug-2 e1 shutdown Related Commands Command Description aug-mapping au-4 Configures the AUG mapping mode of the PA-MC-STM-1 to TUG-3. au-4 au-4-number tug-3 tug-3-number Specifies a TUG-3 for configuration. aug-mapping au-3 Configures the AUG mapping mode of the PA-MC-STM-1 to AU-3.
  • Page 45 Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router tug-2 e1 unframed tug-2 e1 unframed To create an E1 unframed (clear channel) logical channel group on an E1 line that has been mapped to a TUG-3, use the tug-2 e1 unframed configuration controller tug-3 command.
  • Page 46 Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router tug-2 e1 unframed The following example configures an unframed logical channel group on E1 line 1, that has been mapped to an AU-3: Router(config)# controller sonet 2/0/0 Router(config-controller)# aug mapping au-3...
  • Page 47 Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router Glossary Glossary AUG—administrative unit group in SDH mode BER—bit error rate CAS—channel associated signalling CRC4—cyclic redundancy check. Error-checking technique in which the frame recipient calculates a remainder by dividing frame contents by a prime binary divisor and compares the calculated remainder to a value stored in the frame by the sending node.
  • Page 48 Multichannel STM-1 Port Adapter for the Cisco 7500 Series Router Glossary 12.0(14)S...