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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
Appendix A Technical Specifications
AUSM/B-8T1E1 Interface Characteristics
AUSM/B-8T1E1 Interface Characteristics
This section contains details for the AUSM/B-8T1E1. For physical characteristics, see
Table A-3
. For
the T1 and E1 characteristics, see
Table A-3
and
Table A-5
, respectively. For ATM interface
characteristics, see
Table A-6
. For statistics and counters, see
Table A-7
.l
Table A-3
Physical Characteristics of the AUSM/B-8T1E1
Category
Description
LED Indicators Per Card
Active (green), Standby (yellow), Fail (red)
LED Indicators Per Line
One per line: Active and OK (green)
Active and Local Alarm (red)
Active and Remote Alarm (yellow)
Maintenance/Serviceability
Facility loopback via loop up/down per ANSI T1.408 and
ATT TR 62411 (T1), CCITT G.7xx (E1)
Facility Loopback via Management Console
Internal Problem Isolation Loopbacks
Hot pluggable
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
Safety
EN 60950 2nd edition (including EN 41003) UL 1950 2nd edition
Compliance
T1: G.703, G.824
E1: G.703, G.823
ESD
IEC 61000-4-2
Table A-4
T1 Interface Characteristics
Category
Description
Line Interface
RJ-48 (100 ohms) on the LM-RJ48-8T1 back card
Line Rate
1.544 Mbps
±
50 bps (T1)
Synchronization
Transmitter can be loop-timed, receiver, or synchronized to node (normal
mode)
Line Code
Bi-polar 8 Zero Substitution (B8ZS) per ANSI T1.408 (T1)
Line Framing
Extended Superframe Format (ESF 24 frame multi-frame) per ANSI T1.408
ESF Maintenance
Bit-oriented alarm and loopback messages of ESF Data Link per ANSI
T1.408
Input Jitter Tolerance Per ITU-T G.824
Output Jitter
Per ITU-T G.824 using normal mode synchronization.