A-17
Cisco MGX 8230 Edge Concentrator Installation and Configuration
Release 1.1.31, Part Number 78-11215-03 Rev. B0, May 2001
AppendixA Technical Specifications FRSM-8T1 Specification
FRSM-8T1 Specification
This section provides information o n th e T 1 operation of the FRSM-8T1E1 car d set . Topics are:
•General physical information about the card set (Table A-2 3)
•Information about the Frame Relay service (Table A -24)
•System-level interface (Ta ble A- 25)
•Statistics and counters (Tab le A-2 6)
TableA-23 General Card Specifications
Category Description
Indicators per card Active (Green), Standby (Yellow), Fail (Red)
Indicators per line Active & Okay (Green)
Active & Local Alarm (Red)
Active & Remote Alarm (Yellow)
Line Interface connector RJ-48 when used with RJ48-8T1 ba ck ca rd
Line Rate 1.544 Mbps ± 50 bps
Line Framing ESF per ATT TR 54016
Maintenance/Serviceability
Features Internal Problem Isolation Loopbacks
Hot-pluggable cards
Reliability, MTBF > 65000 hours
Card Size Front card: 7.25 inches by 15.83 inches (18.42 cm by
42.75 cm)
Back cards: 7.25 inches by 4.125 inches (18.42 cm by
10.48 cm)
Power: –48 VDC, 30W with 8 active T1 lines
TableA-24 Frame Relay Service With T1 L ines
Category Description
Synchronization Transmitter may be either loop-ti m ed t o re ceiver o r syn ch r on iz ed
to shelf (called normal mode)
Input Jitter Tolerance Per ITU-T G.824
Output Jitter Generation Per ITU-T G.824 using normal mode synchronization
Physical Layer Alarms LOS, OOF, AIS, RAI
Number of Frame Relay Ports One–a single Frame Relay stream occupying N consecutive time
slots
Frame Relay Interface Rates Either of the following:
•56 Kbps
•N x 64 Kbps (where N is the number of consecutive time slots)
Frame Relay Interface Per ANSI T1.618, 2- o cte t h eader