Topcon OPUS A3 Eco - OPUS Device Cable and Connector Identification

5 / 9
2.4 What cables / connectors are there?
All current devices have a 26-pin main connector with very similar pin out:
Pin No.
A3
A6 G1
A6 G2
A8
1
Power+
Power+
Power+
Power+
2
Ignition
Ignition
Ignition
Ignition
3
GND
GND
GND
GND
4
Car GND
Car GND
Car GND
Car GND
5
n.c.
n.c.
Audio_L
Audio_L
6
n.c.
n.c.
Audio_R
Audio_R
7
n.c.
n.c.
Audio_GND
Audio_GND
8
CAN 1 H
CAN 1 H
CAN 1 H
CAN 1 H
9
CAN 1 L
CAN 1 L
CAN 1 L
CAN 1 L
10
CAN 2 H
CAN 2 H
CAN 2 H
CAN 2 H
11
CAN 2 L
CAN 2 L
CAN 2 L
CAN 2 L
12
USB_VCC
USB_VCC
USB_VCC
USB_VCC
13
USB_GND
USB_GND
USB_GND
USB_GND
14
USB_D-
USB_D-
USB_D-
USB_D-
15
USB_D+
USB_D+
USB_D+
USB_D+
16
RS232 RxD
RS232 RxD
RS232 RxD
RS232 RxD
17
RS232 TxD
RS232 TxD
RS232 TxD
RS232 TxD
18
RS232 GND
RS232 GND
RS232 GND
RS232 GND
19
A/DI 3
A/DI 3
A/DI 3
A/DI 3
20
A/DI 1
A/DI 1
A/DI 1
A/DI 1
21
A/DI 2
A/DI 2
A/DI 2
A/DI 2
22
A/DI 4
A/DI 4
A/DI 4
A/DI 4
23
SERV_EN
SERV_EN
SERV_EN
SERV_EN
24
DO3
DO3
DO3
DO3
25
DO1
DO1
DO1
DO1
26
DO2
DO2
DO2
DO2
Note: Pins marked in green are not available on all variants of the devices.
For the main connector the following articles need to be used:
Connector housing, 26 pins – Tyco 3-1437290-7
Crimp Contact – Tyco 3-1447221-4
Blind Plugs – Tyco 4-1437284-3
This set can be ordered from Topcon Electronics, as well: OPSVF26001.
Additionally, some device variants have an Ethernet connector and 1 or 3 camera con-
nectors.
Video connector: Round Connector, 5 pins, M12
1 VidSig+
2 Mirror
3 Camera+
4 Camera -
5 VidSig GND