User's Manual

TB8100 Installation Guide Connection 23
© Tait Electronics Limited June 2005
Tait N et
This system interface board is fitted to reciters bearing the product code
TBA4xxx-0T1x. If purchased separately, it has the product code TBA10T1.
It is designed for use with MPT trunking systems. It provides the following:
It is fitted with a 15-way female D-range connector and a 4-way auxiliary
DC input connector. The pin allocations for the D-range are listed in the
table below, and the pin allocations for the DC input connector are provided
in “Reciter Auxiliary DC Input from PMU” on page 18.
■ transformer isolated 600Ω balanced audio I/O
■ high impedance unbalanced audio I/O
■ digital I/O (3 outputs, 1 input)
■ Tx key
■ Rx gate
Pin Signal Name Signal Type Notes
1 Rx line out +
audio output transformer isolated line
2 Rx line out –
3 Rx audio out audio output
4 Rx gate output open collector
5 Tx key input
6 Tx audio in audio input
7 Tx line in +
audio input transformer isolated line
8 Tx line in –
9 +AUX_V power output from auxiliary DC input
10 digital out 3 output open collector
11 no connection
12 digital out 1
a
output open collector
13 digital out 2
14 digital in 1 input 5V logic
15 ground ground
a. If a base station with a 12V PA is configured for Deep Sleep, digital out 1 is dedicated to Power Saving control and
should not be used for any other Task Manager function.
external view
J
B
C
D
E
F
G
H
I
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