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Cisco MGX 8220 Installation and Configuration
Release 5.0, Part Number 78-6430-03 Rev. D0, November 2003
Appendix B Specifications
AUSM Specification (4 Port)
ATM Interface
Virtual Circuits
Output Jitter Generation: As specified in ITU G.823 for 2.048 mbps
Physical Layer Alarms: LOS, OOF, AIS, RAI
Physical Layer Performance
Stats:
LCV, LES, LSES, CV, ES, SES, SEFS, AISS, UAS
ATM UNI v3.1, ITU-T G.804, per CCITT I.361
Channel Configuration: 256 per card. Can be allocated across any of the T1 (E1) ports
VPI/VCI: VPI: 0–255
VCI: 0–4096
Traffic Classes: CBR, VBR, VBR+
UPC Parameters: PCR, SCR (VBR), CCDV (CBR)
Congestion Control Support: ForeSight (toward Network for VBR+)
ForeSight Parameters: MIR, PIR, Rate Up, Rate Down, QIR, QIR Timeout, IBS
Counters:
• Per Port: Number of cells received from the interface
Number of cells received with unknown VPI/VCI
Last known VPI/VCI received from the port
Number of cells discarded due to error in cell header
Number of cells received with nonzero GRC field
Number of cells transmitted to the interface
Number of cells transmitted for which EFCI was set
Number of egress cells discarded due to service interface
physical alarm