ADC Network Unit - Manual (Page 12)

Chapter 1: Overview August 7, 2006
1-2 AIWN-UM-7001-01
F RONT P ANEL
Each ENIU has three LEDs, a STATUS LED, a LPBK LED, and a LOS/LINK LED. Under normal operation the ENIU
STATUS LED is green. Front panel indicators and controls are defined in
Table 1-1 on page 1-2 . An ENIU is shown
in Figure 1-2 .
Figure 1-2. ENIU Front View
Table 1-1. ENIU LED Indicators and Controls
SIGNAL COLOR STATUS
STATUS GREEN ENIU Power OK and operating properly.
RED A service affecting fault exists within the ENIU.
OFF ENIU Power OFF.
LPBK GREEN Flashing if loopback is active on the ENIU.
OFF No active loopback detected.
LOS/ Link RED LOS detected on the network or subscriber interface.
OFF Normal operation.
CONTROL DESCRIPTION
Reset Pressing the reset button restarts the ENIU.
LPBK Manual switch to enable or disable loopback at the ENIU.
20476-A1 -
ENI-EGXXEGXX1B