User Manual

AS4000 Release3 and Release 4 Central
Terminal Installation and Commissioning
DLP-009
605-0000-432
Issue 1.3a Date 18th October 1999
Page 4 of 8
4.1. Initial installation of cards in a newly provided rack
With the initial installation it is preferred to install the cards in both the combiner shelf
and the modem shelves with the power switched off.
A) RF Combiner Shelf
Insert the following modules and secure:-
i) For an installation of up to 2 Modem Shelves
• 1 RF Power Amplifier Module (2 PA’s) in the left hand position in the
combiner shelf
• 1 x Low Noise Amplifier + Diplexer (DIP/LNA 1) (Terminate output with
50ohm termination.)
• 2 x PSU’s
• 2 x Combiner Monitor Card (Monitor 1 303-043-900 & Monitor 2 303-043-
901)
Note: Alarm unit 55B (already inserted at factory)
ii) For an installation of 3 or 4 Modem Shelves install the cards as a) with the
addition of:-
• 1 RF Power Amplifiers Modules (2 PA’s per module) in the right hand
position in the combiner shelf
• 1 TX Filter (Terminate output with 50ohm termination.)
• 1 x PSU
B) For each shelf provided install the RF and Modem Shelf card sets
Insert the following cards into the Combining Shelf:-
• 1 x RF Card (RF) for each equipped Modem Shelf
Insert the following cards into each Modem Shelf:-
• 1 x Shelf Controller Card (SC)
• 1 x Analogue Card (AU)
• 1 x Tributary Card (TU). The Tributary unit DIL Switches should be set as
in Figure 28.