User's Manual

WinLink User and Installation Guide Version 1.795 4-48
Figure 4-1: IDU-E Front Panel
The following table describes the indicators:
Table 4-1: Front Panel LEDs
Name Color Function
PWR Green ON –Power supply is ON (IDU-E only)
IDU
With Ethernet only
With TDM
Green
Green
Orange
Red
ON – IDU operational
ON – During power-up only
ON - During power-up only
ON – Failure
ODU Green
Red
ON – ODU-to-IDU communication link is operating
ON – ODU-to-IDU communication link is disrupted
LINK Green
Orange
Red
ON – Wireless link is synchronized
ON – During installation mode only
ON – Wireless link lost synchronization
SERVICE Green
Orange
Red
ON – E1 or T1 line is synchronized
ON – Alarm detected at the remote interface
ON – Local or Remote loopback
ON – Alarm detected at the local interface
ODU/LAN Indicators
The ODU/LAN and TDM connectors (IDU-E rear panel, IDU-C front
panel) have LED indicators that show the operating status. The
following tables describe the indicators.
Table 4-2: ODU/LAN LEDs
Name Color Function Location
LINK Green On – Good Ethernet link integrity ODU/LAN
connectors
ACT Orange Blinks according to the Ethernet
traffic
ODU/LAN
connectors