Computer Connector; Acquisition Unit Computer Connector Pinouts - Honeywell VXP System Maintenance Manual

5.2.5 Computer Connector

Table 5-6 shows the signals coming out of the Acquisition Unit for the AU to DU Cable. This
cable also connects to the printer. Figure 5-6 shows the wiring schematic for the AU to DU Cable.
Table 5-6. Acquisition Unit Computer Connector Pinouts
Pin # Function
1 PC +28 Vdc Input
2 PC +28 Vdc Return
3 PC +28 Vdc Input
4 PC +28 Vdc Return
5 PC +12 Vdc Return
6 PC +12 Vdc Input
7 PC +12 Vdc Return
8 PC +12 Vdc Input
9 RS-422 TXDH1/232 TXD1
10 RS-422 TXDL1/232 GND
11 RS-422 RXDH1/232 RXD1
12 RS-422 RXDL1
13 RS-232 TXD2
14 RS-232 GND
15 RS-232 RXD2
16 Printer Power Return
17 Printer Power
18 Printer Power Return
19 Printer Power
20 USB (+)
21 USB (-)
22 USB GND
Repair and Cleaning
Attributes
+28 Vdc
Ground
+28 Vdc
Ground
Ground
+12 Vdc
Ground
+12 Vdc
Differential 0 to 5 Vdc
Differential 0 to 5 Vdc
Differential 0 to 5 Vdc
Differential 0 to 5 Vdc
±10 Vdc
Ground
±10 Vdc
+12 Vdc
Ground
+12 Vdc
Ground
0 to 5 Vdc
0 to 5 Vdc
Ground
VXP System Maintenance Manual 5-7