
IDP-782 - Hardware Guide
Figure 9: Transceiver View of Connector
Table 4: Electrical Pin Assignment
AUX_
RS232
_Rx
AUX_
RS232
_Tx
N/C
Output
06
Output
05
N/C
N/C
MIC_B
N/C
SPK_B
CAN_L RS485
_B
RS485
_A
SPK_
A
14
13
12
11
10
9
8
7
6
5
4
3
2
1
GND
VIN
I/O 04 I/O 03
I/O 02
I/O 01
Main_
RS232_
Tx
Main_
RS232
_Rx
MIC_A
CAN_H
1_WIRE
_ COM
1_WIRE
_DATA
N/C
N/C
N/C
N/C
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
3.4 Input/output Interface Specifications
The terminal supports four configurable I/Os (I/O 01 to I/O 04):
l
Digital input with weak (1 MΩ) pull-down
l
Digital input with 30-50 K pull-down
l
Digital input with 30-50 K pull-up
l
Analog input
l
Digital output – push-pull
l
Digital output – open drain switch-to-ground
l
Disabled
I/O 01 can be used for ignition. Refer to 3.4.1
T213, Version 02
28
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