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RAID Subsystem DVA-16K | Installation Manual Appendix: Pin Outs | en 67
Bosch Security System F.01U.027.799 | V2 | 2008.08
9.3 DB9 Audio Jack UPS Cable Pin Outs
Use this cable to connect the COM2 serial port to UPS.
Fig. 9.2 RS-232C (Audio Jack) Pin Outs
9.4 Null Modem
CN1 Pin Number Pin Name
1Ground
2TXD
3RXD
CN2 Pin Number Pin Name
1TXD
2RXD
3NA
4NA
5NA
6NA
7NA
8NA
9Ground
Table 9.3 RS-232C (Audio Jack) Pin Out Definitions
Swap pin 2 and pin 3
Swap pin 4 and pin 6
Swap pin 7 and pin 8
Table 9.4 Null Modem Pin Outs