User Manual

AS4000 Operations and Maintenance

Section

605-0000-431

. Issue 1.6. Date3/2/99

DLP-014

Page 11 of 60 © Copyright Airspan Communications Corporation 1999

CT TX AND RX POWER SET-UP (3.4-3.6GHZ

BAND)

Tools and equipment needed.

Item Description Recommended Model Quantity

1 Digital Multimeter Fluke 77 1

2 Test CRU ACC(“Battleship CRU”)

Part No.: 503-0300-001

3 30dB Attenuators; 1W Suhner 6830-19-A 4

6 11dB Variable Attenuator HP8499B 1

7 2 Way Power Divider Narda 4313-2 3

8 50 ohm Termination 1W Suhner 65 SMA-50-0-1 1

9 50 ohm Termination 15W Suhner 6515.17.A 1

10 Adaptor; N-SMA Suhner 33N-SMA-50-1 2

11 Adaptor; N-SMA Suhner 31N-SMA-50-1 1

12 Adaptor; Female-Female Suhner 32 SMA-50-0-1 1

13 Co-ax Cables Suhner Sucoflex 104; 0.5m 5

Suhner Sucoflex 104; 4.0m 2

14 RF Power Meter Marconi 6970 1

15 Power Sensor Marconi 6932 1

STEP PROCEDURE

Observe full ESD precautions.

1. System Soak The system must be switched on for at least 2 hours to ensure that it

is fully warmed up before proceeding any further. To minimise the down time the

test equipment can be prepared during this time ready for testing.

2. Preparation

a) Disconnect the Sitespan cables from the 25 way EM/Sitespan port on the

modem backplane

b) Set up the Sitespan with an empty database Set the modem shelf properties

(Shelf Frequency and PN codes) to the same as the existing modem shelf.