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Cisco MGX 8200 Series Edge Concentrators

Cisco 8-Port T1-E1 MPSM for the Cisco MGX 8800 Series Switches

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DATA SHEET

The Cisco® 8-Port T1/E1 Multiprotocol Service Module (MPSM) is an 8-port T1 or E1, single-height service module for use in the Cisco MGX® 8800 Series switches and the Cisco MGX 8200 Series edge concentrators. The MPSM delivers connectivity from DS-0 to T1/E1 speeds. It supports the same functions as the 8-port Frame Relay service modules (FRSMs), ATM user service modules (AUSMs), and Circuit Emulation service modules (CESMs) currently deployed and is meant to be a replacement for these cards. The new service module also supports additional features listed in the following section.

PRIMARY FEATURES

• Any-service any-card (ASAC) function, which reduces operation and deployment costs because one MPSM card can act as a FRSM, AUSM, or CESM

• Built-in bit-error-rate-test (BERT) testing

• Inverse Multiplexing over ATM (IMA) 1.0 and IMA 1.1 along with IMA Restart capability

• Support for multiple ATM frame sizes from 32 to 256 bytes

• Independent Transport Clock (ITC) and Common Transmit Clocking (CTC) clocking modes

• Support for FRF 8.1 Frame Relay-to-ATM service interworking

• Mixed-mode 1:N redundancy support to ease sparing requirements

• Hitless replacement and upgrade for current 8-port FRSM, AUSM, and CESM service modules*

Not fully compatible with MGX-CESM-8T1/B.

ORDERING INFORMATION

Table 1 gives ordering information for the Cisco 8-Port T1/E1 MPSM.

Table 1. Ordering Information for Cisco 8-Port T1/E1 MPSM

Product Number

Description

MPSM-8-T1E1(=)

8-port T1/E1 MPSM

AX-RJ48-8T1(=)

8-port T1 RJ-48 backcard

AX-R-RJ48-8T1(=)

Redundancy backcard, supporting 8-port T1 MPSM

AX-RJ48-8E1(=)

8-port E1 RJ-48 backcard

AX-R-RJ48-8E1(=)

Redundancy backcard, supporting 8-port E1 MPSM

AX-SMB-8E1(=)

8-port E1 Subminiature (SMB) backcard

AX-R-SMB-8E1(=)

Redundancy backcard, supporting 8-port E1 MPSM

MPSM-RC-8-LIC(=)

ForeSight or standard available-bit-rate (ABR) license for Frame Relay services on the Cisco 8-port T1/E1 MPSM

To order your Cisco 8-Port T1/E1 MPSM and appropriate license, go to: (Cisco.com login is required to view this content)

User Documentation

As of August 2004, user documentation for Cisco MPSM licensing is in Appendix F of the "Cisco MGX 8850 (PXM1E/PXM45), MGX 8950, MGX 8830, and MGX 8880 Configuration Guide, Release 5," at http://www.cisco.com/en/US/docs/switches/wan/mgx/software/mgx_r5.0/data/configuration/guide/mgx5scg.pdf.
Additional information about Cisco MPSM cards is under the Cisco MGX product listings at http://www.cisco.com/univercd/cc/td/doc/product/wanbu/index. htm, starting with "Release 5."

TECHNICAL SPECIFICATIONS

Physical Layer Interface

T1/E1
Table 2 gives technical specifications of the Cisco 8-Port T1/E1 MPSM.

Table 2. Technical Specifications of Cisco 8-Port T1/E1 MPSM

Type of Backcard

T1

E1

Port speed

1.544 Mbps

2.048 Mbps

Cell transfer delay

3623 cells/sec

4528 cells/sec (G.704), 4830 cells/sec (clear channel)

Number of physical ports on MPSM cards

8

8

Number of ports on backcards

8

8

Line coding

Binary 8-zero substitution (B8ZS) or alternate mark inversion (AMI)

High-density bipolar three (HDB3) with AMI

Line framing

ANSI T1.408 Super Frame (ESF) format line framing

ITU-T G.704 16 frame multiframe line framing and clear channel

Port media

100-ohm twisted-pair or 75-ohm co-axial

120-ohm twisted-pair

Port connector

RJ-48

RJ-48, SMB

Cell mapping

Direct

Direct

Redundancy

1:N

1:N

ATM Layer

• Configurable for IMA trunk or User-Network Interface (UNI) application

• Conformant to ATM Forum UNI 3.0 and 3.1 specifications and ITU-T I.361 and I.432 specifications

• Supports up to 16 classes of service (CoSs) and includes all ATM Forum traffic type services: ABR, unspecified bit rate (UBR), non-real time variable bit rate (VBR-nrt), real-time variable bit rate (VBR-rt), and constant bit rate (CBR); supports ABR for explicit forward congestion indication (EFCI), RM marking, and ER stamping; supports IP quality of service

• Supports ABR with virtual source and virtual destination

• Supports early packet discard (EPD) and partial packet discard (PPD)

• Supports Weighted Random Early Detection (WRED)

• Supports per-virtual circuit queuing for traffic scheduling

• Supports per-virtual circuit traffic shaping on egress

• Supports per-virtual circuit policing

• Supports 32 virtual interfaces on egress

• Supports virtual path termination

• Supports Integrated Local Management Interface (ILMI) 4.0

• Complies with standard usage parameter control (UPC) per ATM Forum UNI 3.x, TM 4.0, and ITU-T I.371

• Supports virtual circuit connections (VCCs) and virtual path connections (VPCs)

• Supports virtual-path-identifier (VPI) and virtual-circuit-identifier (VCI) range for VCCs and VPCs per UNI 3.1

• Supports virtual circuit merge for egress and multipoint connections

• Supports usage policing on all interfaces

Frame Relay

• Supports ITU-T Q.933 Annex A, ANSI T1.617 Annex D, and Local Management Interface (LMI) local management for semipermanent virtual circuits (both UNI and Network-Network Interface [NNI] portions); enhanced LMI provides autoconfiguration of traffic management parameters for attached Cisco Systems® routers

• Supports Frame Relay-to-ATM network interworking (FRF 5) and Frame Relay-to-ATM service interworking (FRF 8 and FRF 8.1), both transparent and translation modes, configured on a per-permanent virtual circuit (PVC) basis

• Supports standards-based committed-information-rate (CIR) policing, tagging, and discarding

• Supports end-to-end ForeSight rate-based flow-control option to improve trunk use and user goodput

• Supports capability to extend ForeSight closed-loop congestion management between two Cisco networks across Frame Relay-UNI or Frame Relay-NNI using ANSI T1.618 consolidated link-layer management (CLLM) messages

• Supports Cisco IOS® Software enhancements to Frame Relay-to-ATM service interworking to allow interworking for a wider range of protocols

• Each logical port independently configurable as Frame Relay UNI or Frame Relay NNI

• Meets ANSI T1.618, using 2-octet headers

ATM FUNI

• Supports ATM Forum Frame Relay-based UNI (FUNI) mode 1A

• Supports interpretation of CCITT-16 cyclic redundancy check (CRC) at end of the frame (frame discard if in error)

• Supports ATM Adaption Layer 5 (AAL5) mapping of user payload to ATM

• Supports 16 VPI values (15 plus the zero VPI); supports virtual path connections (VPCs) for all nonzero VPI values (up to 15 VPCs)

• Supports 64 VCI values

• Supports operation, administration, and maintenance (OAM) frame and cell flows

• Supports standards-based UPC

• Supports end-to-end ForeSight rate-based flow-control option (licensed option)

Circuit Emulation

• The Cisco 8-Port T1/E1 MPSM supports standards-based AAL1.

• The Cisco 8-Port T1/E1 MPSM is compliant with ATM Forum Circuit Emulation Service Version 2.0 (CESv2.0).

• The Cisco 8-Port T1/E1 MPSM offers a choice of structured data transfer (SDT) or unstructured data transfer (UDT) per physical interface.

• Time slots must be contiguous for n x 64-kbps fractional T1/E1 service.

• Any n x 64-kbps channel can be mapped to any virtual circuit

• The Cisco 8-Port T1/E1 MPSM supports T1 cards up to 192 DS-0 ports (24 channels x 8 lines) operating simultaneously with each interface configurable as a single port (UDT) or up to 24 ports (SDT) running at full line rate at n x 64 kbps.

• The Cisco 8-Port T1/E1 MPSM supports E1 cards up to 248 DS-0 ports (31 channels x 8 lines) operating simultaneously with each interface configurable as a single port (UDT) or up to 31 ports (SDT) running at full line rate at n x 64 kbps.

• The Cisco 8-Port T1/E1 MPSM offers a choice of partially filled AAL1 cells per virtual circuit.

• The Cisco 8-Port T1/E1 MPSM supports Super Frame and Extended Super Frame (ESF) framing modes.

• The Cisco 8-Port T1/E1 MPSM supports synchronous clocking for both UDT and SDT.

• The Cisco 8-Port T1/E1 MPSM supports asynchronous clocking for UDT, with synchronous residual time stamp (SRTS) and adaptive clock recovery methods.

• The Cisco 8-Port T1/E1 MPSM supports ON/OFF hook detection and idle suppression using channel-associated signaling (CAS).

• The Cisco 8-Port T1/E1 MPSM allows the choice of per-virtual circuit partially filled AAL1 cell payload to improve cell delay. Type fill range (bytes):

– T1 structured: 25-47

– T1 unstructured: 33-47

– E1 structured: 20-47

– E1 unstructured: 33-47

• The Cisco 8-Port T1/E1 MPSM supports per-virtual circuit queuing in both directions and per-virtual circuit traffic shaping in the egress direction.

• The Cisco 8-Port T1/E1 MPSM supports Private Network-Network Interface (PNNI) Preferred Routing for switched permanent virtual circuits (SPVCs).

• The Cisco 8-Port T1/E1 MPSM supports customer edge-to-customer edge and customer edge-to-ATM SPVC endpoints.

• The Cisco 8-Port T1/E1 MPSM supports xPVC Cisco WAN Manager as well as PVC (portable AutoRoute [PAR]) support for feeder nodes.

Reliability

• Greater than 100,000 hours mean time between failure (MTBF)

Physical Specifications

• Dimensions: (H x D): 7.25 x 15.83 in.

Electrical Specifications

• Input power required: (48 VDC)

• Power consumption: 36W

Electrical and Safety Standards Compliance

• EMI/ESD compliance

– FCC Part 15

– Bellcore GR1089-CORE

– IEC 801-2

– EN55022

• Safety compliance

– EN 60950

– UL 1950

• Bellcore Network Equipment Building Standards (NEBS): Level 3 compliant