IBM 4910-33D Installation Guide - Page 59
Powered RS232 Connector
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March 2009 Powered RS232 Connector 5 1 9 6 Figure 26. Powered RS232 Connector Table 15. Powered RS232 Connector Pin Signal 1 12V 2 Received Data (RxD 3 Transmitted Data (TxD) 4 Data Terminal Ready (DTR) 5 Common Ground 6 Data Set Ready (DSR) 7 Request to Send (RTS) 8 Clear to Send (CTS) 9 5V Direction Output Input Output Output Input Output Input Output Appendix A. Connector Pinouts 45
Powered RS232 Connector
Table 15. Powered RS232 Connector
Pin
Signal
Direction
1
12V
Output
2
Received Data (RxD
Input
3
Transmitted Data (TxD)
Output
4
Data Terminal Ready (DTR)
Output
5
Common Ground
6
Data Set Ready (DSR)
Input
7
Request to Send (RTS)
Output
8
Clear to Send (CTS)
Input
9
5V
Output
6
5
1
9
Figure 26. Powered RS232 Connector
March 2009
Appendix A. Connector Pinouts
45