Specifications

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Cisco MGX 8230 Edge Concentrator Installation and Configuration
Release 1.1.31, Part Number 78-11215-03 Rev. B0, May 2001
Chapter2 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)