Card General - Cisco MGX 8220 Installation And Configuration Manual

BNM-T3 Specification
ATM layer counters:
Diagnostics:

Card General

Synchronization:
External Office clock
interface:
Indicators:
Maintenance/Serviceability
Features:
•
•
•
Cisco MGX 8220 Installation and Configuration
B-2
Reliability:
Card Size:
Power:
Number of cells received good
Number of cells received and discarded due to bad HEC
Number of cells transmitted good
Number of cells received from cell bus
Number of cells transmitted to cell bus
Header of first cell received with invalid egress translation
entries
Number of cells dropped due to invalid egress translation
entries
Derives 8-kHz shelf synchronization clock from a variety of
sources:
Internal 8-kHz clock (10 ppm)
•
BNM-T3 PLCP
•
• External T1/E1 clock port with a clock rate of
1.544 Mbps 50 bps (T1) or 2.048 Mbps
DB-15 connector using LM-T3/E3-D (T1/E1 clock)
BNC connector using LM-T3/E3-B (E1 clock)
Alarm interface: CO compatible alarm indicator and control
DB-15 connector
Per card: active (green), failed (red), standby (yellow)
T3 Interface: active and okay (green)
Active and local alarm (red)
Active and remote alarm (yellow)
Minor DS-3 statistical alarm
Internal isolation loopbacks
External remote loopback
Hot-pluggable
> 65000 hours MTBF
BNM-T3: 7.25 in. x 16.25 in.
LM-T3E3-D: 7.25 in. x 4.5 in.
LM-T3E3-B: 7.25 in. x 4.5 in.
–48V DC, 25W
Release 5.0, Part Number 78-6430-03 Rev. D0, November 2003
Appendix B Specifications
100 bps (E1)