3-2
Installation Guide 84464 Rev. 2
CONNECTOR DETAILS:
General Purpose Inputs / Outputs (GPIO)
D-SUB 15 Pin Standard
Figure 3-1 GPIO Connector Pin Detail
Table 3-2: GPIO Connector Pin Definition
Pin No
Name
Description
1
GND1
Ground
2
Au
Radio Gateway functionality, differential (+) Hi-Z Audio Input from
external Radio
3
Aud Radio Gateway functionality, Differential (+) Low-Z Audio Output
to external radio (mic input)
4
RadioCOR
Radio Gateway functionality, Radio initiated voice into terminal
(optional)
5
SOS_IN
SOS remote functionality, Ground pin to activate internal SOS
6
GPI01
Software configurable GPIO pin #1 (future)
7
RS232_TD
RS232 Output (future)
8
GND2
Ground
9
Audio_In -
Radio Gateway functionality, differential (-) Hi-Z Audio Input from
external Radio
10
Audio_Out -
Radio Gateway functionality, Differential (-) Low-Z Audio Output
to external radio (mic input)
11
RadioPTT
Radio Gateway functionality, Putput PTT from terminal eo external
radio, short to ground for PTT enabled, Open drain requires external
10k pullup resistor
12
GND3
Ground
13
GPI02
Software configurable GPIO pin #2 (future)
14
RS232_RD
RS232 Input (future)
15
12V
=12V output, 100mA