User Manual

AS4000 Central Terminal

Installation and Commissioning

DLP 011

605-0000-452

Issue 1.3dr Date 7/02/00

Page 2 of 6

RF Power meter connection

when measuring Modem

Shelves 1 & 2 TX Output

Power

15W termination

if the 2nd DIP/LNA

or TX Filter

is fitted

POWER

METER

Coupler

DIP/ DIP/LNA2

LNA1 TX Filter

POWER

METER

Coupler

Expansion

Rack

RF Power meter connection

when measuring Modem

Shelves 3 & 4 TX Output

Power

DIP/ DIP/LNA2

LNA1 TX Filter

Figure 33. Power Level measurement Test Set-Up

Measure the output of shelf 1. (this test is repeated for other installed shelves)

The following procedure must be followed:

1. Remove modem cards 2 – 5, leaving only one modem card, inserted in slot 10

2. Connect Sitespan to the shelf under test and set for commissioning. See DLP-010

3. Prior to commissioning the DTU properties should be set In the Edit DTU Properties

window set max net entry channels to 1, set the number of Free list entries at 160K

80K and 40K to 0. In the RW management window place the mouse pointer over the

IS for RW 1 click left mouse button until OOS is selected. Repeat for RW2 and RW3.