Nortel Networks DCT1900 manual Visual Checks, LEDs on the System Boards

Technical Product Manual - DCT1900

Commissioning, Visual Checks

CHAPTER 2

Visual Checks

2.1General

Visual inspection consists of checking the LEDs on the system boards and the availability of all system boards and Base Stations.

2.2LEDs on the System Boards

Check the following LEDs:

1.On the CPU board only the upper–most green LED (LED1) must be on. LED6 blinks periodically according to the setting of the ACK test (see Section 7, "Maintenance" in this manual).

2.All green LEDs on all other system boards must be on.

3.Red LEDs must be off. In certain situations a red LED on the DTU board can be on, see Paragraph 2.3.

2.3Availability of all System Boards and Base Stations

The status of the system boards and Base Stations can be checked with the help of the system menu of the CSMW Software. All hardware/peripherals must have the AVE status. However, for the DTU, CLU and SLU boards the following exceptions may be applicable:

zDTU board

A Digital Trunk Circuit (DTC) that is not connected to the PBX must have its corresponding L1 with the status NEW and L2 with no status indication (LED4 is on).

zCLU and SLU board

Peripherals (CLCs) that are not connected to Base Stations will have the status PNP (Possibly Not Present). Peripherals with initialized (delay value specified) Base Stations should have the status AVE. A CLC with a non-initialized Base Station has the status NEW causing LED4 of the CLU or SLU board to be on.

Comm-DCT1900/R8/mw	2-1
© 2000-2005