78 Installation TB9100/P25 CG/P25 TAG Installation and Operation Manual
© Tait Limited March 2014
The D-range is used for general purpose inputs and outputs and also as an
RS-232 serial port, for example during tuning and calibration. Each pin has
only one function, so using the D-range as a serial port does not interfere
with the digital inputs and outputs.
The pin allocations for the D-range connector are given in the following
table.
Pin Description
1 digital output 1/
digital input 4/
antenna relay
2 transmit data output
3 receive data input
4 digital input 0
5ground
6 digital input 1
7 digital input 2
8 digital input 3
9 digital output 0/
RSSI
a
a. Pin 9 can function as digital output 0 or as an RSSI output (selected using the CSS). If
it provides an RSSI output, the range of received signal is configurable between -
130dBm and -60dBm. The DC output characteristic lies between the fixed points of
0.5V and 4.5V.
h
j
b
g
i
c
d
e
f
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