B-6
Cisco MGX 8220 Installation and Configuration
Release 5.0, Part Number 78-6430-03 Rev. D0, November 2003
Appendix B
Specifications
BNM-155 Specifications
General Card Specifications
SMF Line Signal:
Optical, SONET OC-3c per ANSI T1.105 and
GR-253-CORE
SMF Line Rate:
155.52 Mbps
Input Jitter Tolerance:
Per Gr-253-CORE
Output Jitter Generation:
Per Gr-253-CORE
Synchronization:
Derives 8 kHz shelf synchronization clock from a variety
of sources:
•
Internal 8 kHz (±10 ppm)
•
BNM-155 PLCP
•
External T1/E1 clock port with a clock rate of 1.544
MHz ±50 ppm (T1) or 2.048 MHz ± 100 bps (E1)
External Clock Interface:
DB-15 connector or BNC connector (both are available)
Alarm Interface:
CO compatible alarm indicator and controls via DB-15
connector
Indicators:
Ten LEDs
•
Per Card
Active (green)
Failed (red)
Standby (amber)
•
OC-3 Interface
Single multihue LED
Active and okay (green)
Active and local alarm (red)
Active and remote alarm (amber)
•
Shelf Voltage
A voltage okay (green)
B voltage okay (green)
•
Alarms
Major (red)
Minor (amber)
ACO (amber)
History (green)