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Appendix B
Specifications
Maintenance/Serviceability
Features:
•
•
FRSM-4E1 Specification
Service Interface
Line Interface connector:
Line Rate:
Synchronization:
Input Jitter Tolerance:
Output Jitter Generation:
Physical Layer Alarms:
Number of Frame Interfaces:
Frame Relay Interface Rates:
Frame Relay Interface:
Frame Relay Performance
Counters (per port; n x DS0):
Release 5.0, Part Number 78-6430-03 Rev. D0, November 2003
Reliability:
Card Size:
Internal problem isolation loopbacks hot-pluggable
> 65000 hours MTBF
FRSM-4T1: 7.25 in. x 16.25in.
LM-DB15-4T1: 7.0 in. x 4.5 in.
Power: –48V DC, 30W (4 T1s)
DB-15 when used with LM-DB15-4E1 line module
BNC when used with LM-BNC-4E1 line module
2.048 Mbps 100 bps
Transmitter can be either loop-timed to receiver or synchronized
to shelf (called normal mode)
Per G.703
Per G.703
LOS, OOF, AIS, RAI
I to 31 occupying n where 1 < n < 31. Sum of all < 31 for CCS.
1–30 for CAS
Either 56 kbps or n* 64 kbps; n as defined previously
Per ANSI T1.618, 2-octet header
Receive frames discarded due to aborts
Receive frames discarded due to illegal header (EA bit)(S)
Receive frames discarded due to CRC errors (S)
Receive frames discarded due to alignment errors (S)
Receive frames discarded due to unknown DLCI (S)
Receive frames discarded due to illegal frame length (S)
Receive frames discarded due to DE threshold exceeded
Receive frames with DE already set
Receive frames with FECN already set
Receive frames with BECN already set
Receive frames tagged FECN
Receive frames (S)
Receive bytes (S)
Cisco MGX 8220 Installation and Configuration
FRSM-4E1 Specification
B-13
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Table of Contents
Troubleshooting
