IBM 4910-33D Installation Guide - Page 58

RS232 Connector, Signal, Direction

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RS232 Connector 1 5 6 9 Figure 25. RS232 Connector Table 14. RS232 Connector Pin Signal 1 Carrier Detect (DCD) 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 Ring Indicator (RI) Direction Input Input Output Output Input Output Input Input March 2009 44 SurePOS Installation and Service

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RS232 Connector
Table 14. RS232 Connector
Pin
Signal
Direction
1
Carrier Detect (DCD)
Input
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
Ring Indicator (RI)
Input
6
5
1
9
Figure 25. RS232 Connector
March 2009
44
SurePOS Installation and Service