Radyne OM20 Specifications download pdf (Page 143)

OM20 Universal Outdoor Modem Maintenance and Troubleshooting

MN-OM20– Revision 5 7–5

7.2.1.5 Drop and Insert Alarms

Alarm Possible Cause

Multiframe Lock The insert framer is not in sync.

CRC Lock An Insert CRC Fault occurred. Valid in T1-ESF, PCM-30, or PCM-

30C Modes.

T1 Signaling An Insert T1 Yellow Fault occurred. Valid in T1-ESF, T1D4, or

SCL-96 Modes.

E1 FAS (E1 Frame

Acquisition Sync)

An E1 FAS Fault occurred. Valid in PCM-30, or PCM-30C, PCM-

31, or PCM-31C Modes.

E1 MFAS (E1 Multi-

Frame Acquisition Sync)

An E1 MFAS Fault occurred. Valid in PCM-30, or PCM-30C,

PCM-31, or PCM-31C Modes.

7.2.1.6 Common Major Alarms

Alarm Possible Cause

TERR FPGA CFG Indicates an Interface Card FPGA configuration failure probably

caused by a missing, or wrong file.

CODEC FPGA CFG Indicates Turbo Codec Card FPGA configuration failure probably

caused by a missing, or wrong file.

+1.5V RX SUPPLY Displays the measured voltage of the 1.5 Volt Rx power bus located

inside the modem.

+1.5V TX SUPPLY Displays the measured voltage of the 1.5 Volt Tx power bus located

inside the modem.

+3.3V SUPPLY Displays the measured voltage of the +3.3 Volt power bus located

inside the modem.

+5V SUPPLY Displays the measured voltage of the +5 Volt power bus located

inside the modem.

+12V SUPPLY

Displays the measured voltage of the +12 Volt power bus

located inside the modem.

+20V SUPPLY

Displays the measured voltage of the +20 Volt power bus

located inside the modem.

7.2.2 Alarm Masks

The OM20 performs a high degree of self-monitoring and fault isolation. The alarms for these

faults are separated into the following three categories:

 Active Alarms

 Common Equipment Alarms

 Backward Alarms

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