Band Type Attenuation
CA01957AA: T1-2R
800 MHz Tx
1.5 dB typical
1.7 dB maximum
A.2.3
Installing the T1-2R with Talk-Around Option Kit
Procedure:
1
Install the standalone GTR 8000 Base Radio or GPW 8000 Receiver according to the processes
and procedures provided in the Base Radio or Receiver Installation Chapter. Install a duplexer
according to the appropriate “Replacing a Duplexer” procedure.
WARNING:
To guard against personal injury and/or damage to equipment, place the
base radio to Service Mode when performing service. Transmit inhibiting the base radio
within the Station Status screen in the Configuration/Service Software (CSS) also
prevents the transmitter from keying. Remember to place the base radio back to Normal
Mode when service is complete.
2
If the base radio and receiver are in Normal Mode, ensure that each device is placed in Service
Mode, as follows:
a
Connect to the transceiver module Ethernet service port using CSS. See
Through an Ethernet Port Link on page 140
b
From the menu, select
File
→
Read Configuration From Device
.
c
From the menu, select
Service
→
Test And Measurement Screen
.
d
Click
Change to Service Mode
.
e
At the confirmation screen, click
OK
.
The device halts activity in the current mode and switches operation to the requested mode.
f
Disconnect the Ethernet cable from the transceiver module Ethernet service port.
g
Repeat for each device in the configuration.
3
If you choose to turn off the power, set the rocker switch on the front of the associated power
supply to the Off (O) position.
4
Attach the antenna relay to the backplane of the GTR 8000 Base Radio. See the “Replacing an
Antenna Relay” procedure for details.
5
Remove the fan module to gain access to the Transceiver Option Card (TOC) on the transceiver
module. See
Replacing the Fan Assembly on page 237
6
Connect cables to each device according to
Figure 127: T1-2R Talk-Around Option Kit Wiring
.
7
Replace the fan modules for the base radio and receivers.
8
If you chose to turn off the power, set the rocker switch on the front of the associated power
supply to the On (I) position.
9
Place each base radio and receiver to Normal Mode, as follows:
a
Connect to the transceiver module Ethernet service port using CSS. See
Through an Ethernet Port Link on page 140
b
From the menu, select
File
→
Read Configuration From Device
.
c
From the menu, select
Service
→
Test And Measurement Screen
.
MN003286A01-E
Appendix A: Conventional GTR 8000 Base Radio Option Kits
298