Chapter 4: Hardware interfaces
TT-98-129218-A
Discrete I/O interface
31
Discrete I/O interface
Overview
The terminal has an I/O connector with 5 configurable inputs/outputs.
The connector is a WieCon Type 8513S connector. A mating I/O connector is included in the
delivery.
Pin-out
The figure and table below show the connector outline and pin assignments.
Pin number
Connection
Default configuration
a
a. The default functions of the I/O pins are described in the next section.
1
GPIO 1
Ringer output, active
high
2
GPIO 2
Warning/Error output
3
GPIO 3
Mute output
4
GPIO 4
Radio silence input
5
GPIO 5
Ignition input
6
Chassis GND
Chassis GND
7
DC out
9-15 V DC, 50 mA
8
DC in
(ignition input)
1
2
3
4
5
6
7
8
WieCon Type 8513S connector
