Specifications

B-6 Cisco MGX 8220 Reference, Release 4.1
BNM-155 Specifications
General Card Specifications
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 multi-hue LED
Active and OK (Green)
Active and Local Alarm (Red)
Active and Remote Alarm (Amber)
• Shelf Voltage A Voltage OK (Green)
B Voltage OK (Green)
• Alarms Major (Red)
Minor (Amber)
ACO (Amber)
History (Green)
Maintenance Serviceablity Features Internal isolation loopbacks
External remote loopbacks
Hot-pluggable
• Reliability > 65000 hours MTBF
• Card Size BNM-155: 7.25” x 16.25”
SMF-155-LM: 7.25” x 4.5”
UTP-155-LM: 7.25” x 4.5”
• Power -48 DC, 25W