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 110 of 148
24v DC I/P
ALARM
FUSE T 10A
UHF DOWNLINK O/P UHF UPLINK O/P
UHF DOWNLINK I/P UHF 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
UPLINK 465.4 - 465.5 MHz
DOWNLINK 460.4 - 460.5 MHz
4.10.4.2. Rear View
N.B. UPLINK 465.4 - 465.5 MHz
DOWNLINK 460.4 - 460.5 MHz
A UHF Lowband Downlink Input from Downlink Input Shelf 80-301407 Port 2
B UHF Lowband Downlink Output to Downlink Output Shelf 80-301408 Port B
C UHF Lowband Uplink Input from Uplink Input Shelf 80-301407 Port G
D UHF Lowband Uplink Output to Uplink Output Shelf 80-301407 Port 7
E UHF Lowband Downlink Switched Attenuator 0 to 30 dB
F UHF Lowband Uplink Switched Attenuator 0 to 30 dB
G 24V DC Input
H 10A Fuse for 24V DC Input
I Alarm Output
J Earth Connection
4.10.5. UHF Lowband Amplifier Shelf 80-301410 Major Sub Components
Section Component
Part
Component Part Description Qty Per
Assembly
4.10.5.1. 07-002908 30dB Directional Coupler 1
4.10.5.2. 10-000701 Switched Attenuator 0.25Watt, 0 - 30dB 2
4.10.5.3. 11-005401 Low Noise Amplifier 1
4.10.5.4. 12-016301 20W Power Amplifier 1
4.10.5.5. 12-021601 TETRA Power Amplifier 5W 1
4.10.5.6. 12-021801 TETRA Power Amplifier 1W 1
17-001101 AGC Detector Assembly 1
17-001105 AGC Detector Assembly (Logarithmic) 1
4.10.5.7.
17-001201 AGC Attenuator Assembly 2
4.10.5.8. 20-001602 24V Dual Relay Assembly 1
4.10.5.9. 80-008909 12V Relay Assembly 1
4.10.5.10. 94-100004 Dual Diode Assembly 1
4.10.5.11. 96-200024 DC/DC Converter 1