Appendix A Technical Specifications

 

 

 

 

AUSM/B-8T1E1 Interface Characteristics

Table A-4 T1 Interface Characteristics (continued)

 

 

 

 

Physical Layer

 

LOS, OOF, AIS, RAI

Alarms

 

 

 

 

 

 

 

 

 

Physical Layer

 

LCV, LES, LSES, CV, ES, MGX 8230, SEFS, AISS, UAS

Performance

 

 

 

 

Statistics

 

 

 

 

 

 

 

 

Table A-5 E1 Interface Characteristics

 

 

 

 

Category

 

Description

 

 

 

 

Line Interface

 

RJ-48 (120 ohms) on LM-RJ48-8E1, or SMB (75 ohms) on

Connector

 

LM-SMB-8E1

 

 

 

 

Line Rate

 

2.048 Mbps ± 100 bps

 

 

 

 

Synchronization

 

Transmitter can be: loop timed, receiver, or synchronized to shelf (normal

 

 

 

mode)

 

 

 

 

Line Code

 

HDB3 (E1)

 

 

 

 

Line Framing

 

16-frame multi-frame as in G.704

 

 

 

 

Input Jitter Tolerance

 

As specified in ITU G.823 for 2.048 Mbps

 

 

 

Output Jitter Generation

As specified in ITU G.823 for 2.048 Mbps

 

 

 

 

Physical Layer Alarms

 

LOS, OOF, AIS, RAI

 

 

 

 

Physical Layer

 

LCV, LES, LSES, CV, ES, MGX 8230, SEFS, AISS, UAS

Statistics

 

 

 

 

 

 

Table A-6 ATM Interface Characteristics

 

 

 

 

Category

 

 

Description

 

 

 

 

Standards

 

 

ATM UNI v3.1, ITU-T G.804, per CCITT I.361.

 

 

 

 

Channel Configuration

 

 

1000 per card, across any of the T1 or E1 ports.

 

 

 

 

VPI/VCI Ranges

 

 

VPI: 0–255.

 

 

 

 

VCI: 0–4096.

 

 

 

 

Traffic Classes

 

 

CBR, VBR, VBR+.

 

 

 

 

UPC Parameters

 

 

PCR, SCR (VBR), CCDV (CBR).

 

 

 

 

Congestion Control

 

 

ForeSight (toward Network for VBR+).

Support

 

 

 

 

 

 

 

ForeSight Parameters

 

 

MIR, PIR, Rate Up, Rate Down, QIR, QIR Timeout, IBS.

 

 

 

 

 

 

 

Cisco MGX 8230 Edge Concentrator Installation and Configuration

 

 

 

 

 

 

 

Release 1.1.31, Part Number 78-11215-03 Rev. B0, May 2001

 

 

A-7

 

 

 

 

 

Page 239
Image 239
Cisco Systems manual Los, Oof, Ais, Rai, LCV, LES, LSES, CV, ES, MGX 8230, SEFS, AISS, UAS, LM-SMB-8E1, Cbr, Vbr, Vbr+