
IB-131 Interface Module
MS-820 Industrial Bar Code Scanner User’s Manual A-9
Appendices
Appendix C — IB-131 Interface Module
The IB-131 interface module simplifies connecting to the scanner by providing sepa-
rate ports for the host, power supply, trigger and network. The network port is used
for multidrop or daisy chain configurations. See the following pages for configuration
diagrams and a list of cables offered by Microscan for ease of connectivity when
using the IB-131.
Table A-4 Host 25-pin Connector
Table A-5 Trigger 4-pin Connector
Table A-6 Power 3-pin Connector
Table A-7 Scanner 15-pin Connector
Table A-8 Network 25-pin Connector
Pin Function
1 External ground
2 Transmit data (RS-232)
3 Receive data (RS-232)
4RTS
5CTS
6Output 2 (+)
7 Signal ground
8Output 1 (+)
9Trigger (–)
10 Trigger (+)
11 Default configuration
13 Receive data RS-422 (+)
14 Transmit data RS-422 (–)
15 Output 3 (+)
16 Receive data RS-422 (–)
17 Output 1/2/3 (–)
19 Transmit data RS-422 (+)
25 New master/OMR (in)
Pin Function
1 Power + 10 to 28VDC (out)
2 Trigger (–) (in)
3 Power Ground
4 Trigger (+) (in)
Pin Function
1 Power Ground
3 Power + 10 to 28VDC (in)
Pin Function
1 Power + 10 to 28 VDC (out)
2 Transmit RS-232/RS-422 (–)
3 Receive RS-232/RS-422 (–)
4 Power/Signal Ground
5 Trigger (–) (out)
6 RTS/Aux Transmit/RS-232/RS-422 (+)
7Output 1 (+)
8 Default configuration
9 Trigger (+) (out)
10 CTS/Aux Receive RS-232/RS-422 (+)
11 Output 3 (+)
12 New master/OMR (out)
13 External ground
14 Output 2 (+)
15 Output 1/2/3 (–)
Pin Function
1 Ground
2Aux Receive RS-232
3Aux Transmit RS-232
6Output 2 (+)
7 Signal ground
8Output 3 (+)
13 Receive data/RS-422 (+)
14 Transmit data/RS-422 (–)
15 Output 3 (+)
16 Receive data/RS-422 (–)
17 Output 1/2/3 (–)
19 Transmit data (RS-422+)
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