User Manual

AS4000 Operations and Maintenance
Appendix
605-0000-431
1
. Issue 1.6. Date3/2/99
Page 3 of 12 © Copyright Airspan Communications Corporation 1999
1
2 3 4 5 6 7 8
Shelf
Controller
Tributary
Unit
Analogue
Unit
Sitespan/EM
Front Panel Alarms
DC
Input
2Mbit/s IN
2Mbit/s OUT
2 Wire
Port
PL7
PL8
Baseband
Alarm
Combiner
JP6
JP7
JP1
JP2
JP5
1&2
3&4
5&6
7&8
9&10
11&12
13&14
15&Sp
Modems
Figure 3-2. Detailed View of AS4000 CT Modem Shelf
DC SUPPLY
OFF
Lamp
Test
Test Trunks
Green
White
Red
Red
Receiving
Attention
Power OK
Prompt/
Deferred
Instation/
Clear
RF1 RF2 RF3 RF4 Mon1 Mon2
Diplexer and
Low Noise
Amplifier
DIP/LNA 1
TX Filter
DIP/LNA2
Alm55B
PSU1 PSU2 PSU3
PA1
PA2
1+ 1- 2+ 2-
Figure 3-4. Detailed View of AS4000 CT Combiner Shelf