Specifications

FRSM-4E1 Specification
Specifications B-13
Card General
FRSM-4E1 Specification
Service Interface
Indicators:
Per Card: Active (Green), Standby (Yellow), Fail (Red)
Lines (one per): Active & Okay (Green)
Active & Local Alarm (Red)
Active & Remote Alarm (Yellow)
Maintenance/Serviceability
Features:
Internal Problem Isolation Loopbacks Hot-pluggable
Reliability: > 65000 hours MTBF
Card Size: FRSM-4T1:7.25” x 16.25”
LM-DB15-4T1:7.0” x 4.5”
Power:–48V DC, 30W (4 T1s)
Line Interface connector: DB15 when used with LM-DB15-4E1 line module.
BNC when used with LM-BNC-4E1 line module.
Line Rate: 2.048 Mbps ± 100 bps.
Synchronization: Transmitter may be either loop-timed to Receiver or
synchronized to shelf (called normal mode).
Input Jitter Tolerance: Per G.703.
Output Jitter Generation: Per G.703.
Physical Layer Alarms: LOS, OOF, AIS, RAI.
Number of Frame Interfaces: I to 31 occupying n where 1 < n < 31. Sum of all < 31 for CCS.
1–30 for CAS.
Frame Relay Interface Rates: Either 56 Kbps or n*64 Kbps; n as defined above.
Frame Relay Interface: Per ANSI T1.618, 2-octet header.