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 69 of 148
4. In-Line BDA Rack Mount 80-301406
The Rack Mount In Line BDA consists of ten, 19” equipment rack mount shelves
The function is exactly the same as the Wall Mount unit in section 3 but the construction is different.
The Rack Mount BDA is divided into four main components equivalent to the four Wall Mount cases
described in section 3, these are:
x The Splitter Combiner which is comprised of four, 4U 19” rack mount shelves:
Downlink Input Shelf 80-301407
Downlink Output Shelf 80-301408
Uplink Input Shelf 80-301407
Uplink Output Shelf 80-301407
x The VHF and UHF Low Band Amplifier which is comprised of two, 4U 19” rack mount shelves:
VHF Amplifier Shelf 80-301409
UHF Lowband Amplifier Shelf 80-301410
x The Mid and High Band UHF Amplifier which is comprised of two, 4U 19” rack mount shelves:
UHF Midband Amplifier Shelf 80-301410
UHF Highband Amplifier Shelf 80-301410
x The 800MHz Amplifier which is comprised of one, 8U 19” rack mount shelf:
800MHz Amplifier Shelf 80-301411
A 2U 19” rack mount shelf houses the power supply unit that provides 24V DC feeds to the amplifier
shelves
The entire arrangement is housed in two, 40U Swing-fame 19” Equipment Mountings Racks,
Rack 1 houses:
Downlink Input Shelf 80-301407
Uplink Input Shelf 80-301407
Uplink Output Shelf 80-301407
UHF Highband Amplifier Shelf 80-301410
UHF Midband Amplifier Shelf 80-301410
UHF Lowband Amplifier Shelf 80-301410
VHF Amplifier Shelf 80-301409
PSU Shelf
Rack 2 houses:
Downlink Output Shelf 80-301408
800MHz Amplifier Shelf 80-301411
Rack interconnections, test ports and connections to the Leaky Feeders are via patch panels in the
tops of each rack