3.4.7 Connections – Front
Table 3-6
Base Radio Backplane Connections for HPD (cont'd.)
Port / Type
Device it connects to:
Port /
Type
Description
Rx-A, BNC
Receive line A
BNC
RF coax to receive path for Rx antenna.
Rx-B, BNC
Receive line B
BNC
RF coax to receive path for antenna B.
Rx-C, BNC
Not in use
Transmit
port, N-type
Transmit line
N-type
RF coax to transmit antenna.
Aux Pwr
Output
Site Controller or
RMC/LNA
Aux Pwr
Input
The auxiliary output power can be used to
provide secondary power to the site controller
or receive multicouplers (Site RMCs/LNAs).
Bat Temp,
6-pin
Battery temperature sensor
Connection to temperature sensor, allowing
for temperature compensated battery charging.
RF
Peripherals
Not in use
Batt/DC
DC power supply or battery
Batt/DC
Input from and output to a 48 VDC power
supply or backup battery. Input from and
output to a 48 VDC power supply or backup
battery. When AC power is not available, the
device switches to operate from a DC source
if the optional DC power (8AWG; length 9 ft),
CA01400AA is ordered and installed. One
end connects into the Batt/DC port and the
other end connects into the DC source. The
contacts are 39-83503N02 (AMP #53880-2),
the receptacle housings are 15-83502N01
(AMP #53884-1) and the mounting ears are
07-83504N01 (AMP #53887-1).
3084869Y06 cable is used for a positive
ground system. 3084869Y02 cable is used for
a negative ground system.
AC
120/240 VAC power
source.
Input from 120/240 VAC nominal power
source.
EXT FREQ
REF
Not in use
1 PPS
Not in use
3.4.7 Connections – Front
Two service ports are accessible through a drop-down door to the left of the fans. The remainder of the ports are
behind the fan module.
6871022P86-A - November 2012
3-27
Summary of Contents for GTR 8000
Page 2: ......
Page 4: ......
Page 6: ......
Page 14: ......
Page 18: ......
Page 22: ......
Page 26: ......
Page 60: ......
Page 177: ...5 8 1 3 VHF Tuning Procedure Figure 5 1 Preselector Tuning VHF 6871022P86 A November 2012 5 7 ...
Page 181: ...5 8 2 3 UHF Tuning Procedure Figure 5 2 Preselect Tuning UHF 6871022P86 A November 2012 5 11 ...
Page 230: ......
Page 234: ......
Page 244: ......
Page 286: ......
Page 300: ......
Page 338: ......