Network Leds - Paradyne 7520 User Manual

Monitoring the DSU

Network LEDs

4-10
DM – Data Mode:
ON – DSU (DDS network interface) is sending or
OFF – DDS network interface is receiving CMI codes.
System
red green yellow
May 1998
receiving data, or is in DMI condition
(all 1s being received).
OOS – Out of Service:
ON – DSU is receiving out of
service code from the remote unit.
Refer to Table 4-2,
Messages.
OOF – Out of Frame:
ON – DSU is detecting an out of frame
condition. Refer to Table 4-2,
and Status
NS – No Signal:
ON – DDS network interface detects
no signal. Refer to Table 4-2,
Health and Status
Network
Health and Status
Health
Messages.
Messages.
Port
496-15062
7520-A2-GB20-20