User Manual
AS4000 Central Terminal
Installation and Commissioning
DLP 009
605-0000-452
Issue 1.3dr Date 7/02/00
Page 8 of 10
Modem
Card Failure
Card Busy
Link
Trinity
1-12
1
12
Analogue
Unit
Card Failure
Card Busy
Shelf
Controller
Card Failure
Card Busy
Tributary
Unit
Card Failure
Card Busy
E1 Alarm
Port 1-8
1
8
Card
Type
PSU
Fuse fail
ActiveOK
I/P A Fail
I/P B Fail
O/P Overload
O/P Underload
Compression
Unit
Card Failure
Card Busy
Note: LED function detailed in Table 6.
STEP PROCEDURE
3. Self Test (Test 4)
1. Execute the self test function (using Sitespan) on each DTU card and ensure that it
passes. Replace any faulty cards.
4. System Soak
1. The system must have been switched on for at least two hours from the initial power on
to ensure that it is fully warmed up before proceeding any further. If testing a number
of modem shelves there is no need to wait a further two hours before testing the
subsequent shelves.
5. Preparation for Commissioning at the Central Terminal
To make it possible for the test CRU/DACU to acquire a link the RW Management and
Net Entry has to be set as follows:
15. From the object list shelf select the modem shelf, click right mouse button and select
the ‘element view’