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 83 of 148
DOWNLINK INPUT
DOWNLINK INPUT
TEST PORT
12345
A B H
CDEFG
4.5.3. Downlink Input Shelf 80-301407 Specification
PARAMETER SPECIFICATION
Insertion Loss from Downlink Input port to port indicated
VHF Band to port 1 < 1.0dB at 154.0 – 161.3MHz
UHF Low Band to port 2 < 3.5dB at 460.4 – 460.5MHz
UHF Mid Band to port 3 < 3.5dB at 482.5 -483.8MHz
UHF High Band to port 4 < 4.0dB at 507.0 – 507.3MHz
800MHz Band to port 5 < 1.0dB at 856.0 – 861.0MHz
Insertion Loss from port indicated to Downlink Input test port
VHF Band 30dB at 154.0 – 161.3MHz
UHF Low Band 30dB at 460.4 – 460.5MHz
UHF Mid Band 30dB at 482.5 – 483.8MHz
UHF High Band 30dB at 507.0 – 507.3MHz
800MHz Band 30dB at 856.0 – 861.0MHz
4.5.4. Downlink Input Shelf 80-301407 Illustrations
4.5.4.1. Rear View
A Downlink Input from Radiating Cable
B Downlink Input Test Port (30dB Tap)
C Port 1. Downlink VHF Output to VHF Amplifier Shelf 80-301409
D Port 2. Downlink UHF Lowband Output to UHF Lowband Amplifier Shelf 80-301410
E Port 3. Downlink UHF Midband Output to UHF Midband Amplifier Shelf 80-301410
F Port 4. Downlink UHF Highband Output to UHF Highband Amplifier Shelf 80-301410
G Port 5. Downlink 800MHz Output to 800MHz Amplifier Shelf 80-301411
H Earth Connection