Lucent Technologies DDM-2000 OC-3 Installation Manual

6-8
Issue 9 October 1998
363-206-204
Release 7 Installation Tests
LED Test
Description
This test verifies proper operation of all the LEDs on the DDM-2000 OC-3 shelf.
Operation of all the LEDs is necessary to assist in trouble isolation.
If there are any LED failures, determine if the problem is with the circuit pack or
shelf and replace the faulty unit.
If the shelf is not fully equipped, move circuit packs around and repeat the test in
all circuit pack positions.
Procedure With a Terminal
Issue the command
test-led;
.
The DDM-2000 OC-3 will respond with
In Progress ....
for the duration of the test and will issue a prompt CMPLD when the test has
completed. All LEDs on the shelf under test should light for 10 seconds, then
extinguish for 10 seconds. Then the proper LEDs will light to indicate the shelf’s
current status.
Procedure Without a Terminal
Press and hold the ACO pushbutton on the user panel. While the pushbutton is
pressed, all LEDs on the shelf under test should light.
NOTE
:
If the ACO pushbutton is pressed for more than 2 seconds the 7-segment
display will go blank, then it will display the currently running software
release on this shelf one character at a time.
Local Equipment and Cross-Connect
Test
Description
This test verifies proper operation of the circuit packs and the circuit pack
positions, which are equipped in the DDM-2000 OC-3 shelf. It verifies proper
cabling from the DDM-2000 OC-3 to the DSX cross-connect panel or connecting

Lucent Technologies DDM-2000 OC-3 Specifications

General

Brand	Lucent Technologies
Model	DDM-2000 OC-3
Category	Multiplexer
Language	English