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Connector pin assignments
The following sections describe the connector pin assignments for the external
connectors
Power supply
Table 12. Power supply pin designations
Pin
Signal
1
+24 V dc
2
Not connected
3
Ground
USB
Table 13. USB pin designations
Pin
Signal
1
Vbus (+5 V dc)
2
Minus data
3
Plus data
4
Ground
Powered USB
Table 14. Powered USB pin designations
Pin
Signal
1
Ground (+24 V dc)
2
(+24 V dc)
3
Ground (Vbus)
4
Plus data
5
Minus data
6
Vbus +5 V dc
7
+24 V dc
8
Ground (+24 V dc)
RS-232
Table 15. RS-232 pin designations
Pin
Signal
1
Not connected
2
Transmit
3
Receive
4
DTR
5
Signal ground
6
DSR
30
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