Monitoring the DSU
Network LEDs
DM ± Data Mode:
ON ± DSU (DDS network interface) is sending or receiving data, or is in DMI condition
(all 1s being received).
OFF ± DDS network interface is receiving CMI codes.
OOS ± Out of Service:
ON ± DSU is receiving out of
service code from the remote unit. Refer to Health and Status Messages, Table
OOF ± Out of Frame:
ON ± DSU is detecting an out of frame condition. Refer to Health and Status Messages, Table
NS ± No Signal:
ON ± DDS network interface detects no signal. Refer to Health and Status Messages, Table
| March 1997 |
