Cisco Systems MGX 8230 manual Physical Layer Features, All Cards, T1 Cards, E1 Cards

Chapter 2 Module and Service Descriptions

ATM UNI Service Module (AUSM)

Physical Layer Features

All Cards

•Transmitter is loop-timed to receiver or synchronized to shelf

•Loop-up, loop-down pattern generation and verification

•Transmission convergence sublayer functions per ITU G.804

•LCV, LES, LSES, CV, ES, SES, SEFS, AISS, UAS performance statistics

•Bit rate error test (BERT) and extended loopback pattern generation/verification (with optional SRM)

•1:N redundancy within a group of n + 1 AUSM/B cards of same type on a shelf (with optional SRM)

•LOS, OOF, AIS, RAI alarms

T1 Cards

•Eight T1 (1.544 Mbps +/–50 bps) lines per card

•B8ZS or AMI line coding

•ANSI T1.408 extended Super Frame format line framing

•ANSI T1.408 support for detection and display of received T1 ESF loopback codes on extended Super Frame (ESF) data link

•Cell transfer capacity 3623 cells/sec per T1

E1 Cards

•Eight E1 (2.048 Mbps +/–50 bps) lines per card

•HDB3 or AMI line coding

•ITU G.704 16-frame multiframe line framing and clear channel for E1

•BERT and extended loopback pattern generation/verification (with optional SRM)

•Cell transfer capacity 4528 cells/sec per E1 (G.704), 4830 cells/sec per E1 (clear channel)

	Cisco MGX 8230 Edge Concentrator Installation and Configuration
2-16	Release 1.1.31, Part Number 78-11215-03 Rev. B0, May 2001