User Manual

Axell Wireless Limited
Technical Literature
L.A. M.T.A. Remote Sites
Document Number 80-301401HBKM Issue No. 1 Date 13/06/2008 Page 101 of 148
24v DC I/P
ALARM
FUSE T 3.15A
DOWNLINK O/P UPLINK O/P
DOWNLINK I/P UPLINK I/P
0dB 0dB 0dB 0dB
2dB 4dB 8dB 16dB
0dB 0dB 0dB 0dB
2dB 4dB 8dB 16dB
UPLINK
DOWNLINK
A
B
C
D
FG
H
I
E
J
4.9.4.2. Rear View
A VHF Downlink Input from Downlink Input Shelf 80-301407 Port 1
B VHF Downlink Output to Downlink Output Shelf 80-301408 Port A
C VHF Uplink Input from Uplink Input Shelf 80-301407 Port F
D VHF Uplink Output to Uplink Output Shelf 80-301407 Port 6
E VHF Downlink Switched Attenuator 0 to 30 dB
F VHF Uplink Switched Attenuator 0 to 30 dB
G 24V DC Input
H 3.15A Fuse for 24V DC Input
I Alarm Output
J Earth Connection
4.9.5. VHF Amplifier Shelf 80-301409 Major Sub Components
Section Component
Part
Component Part Description Qty Per
Assembly
4.9.5.1. 01-002503 Bandpass Filter 4
4.9.5.2. 10-000701 Switched Attenuator 0.25Watt, 0 - 30dB 2
4.9.5.3. 12-025602 VHF Power Amplifier 5W 2
17-001101 AGC Detector Assembly 2 4.9.5.4.
17-001201 AGC Attenuator Assembly 2
4.9.5.5. 20-001602 24V Dual Relay Assembly 1
4.9.5.6. 94-100004 Dual Diode Assembly 1