
61200176L1-1 Express 6100/6120 User Manual D-1
Appendix D
Connector Pinouts
Table D-1. IBM/AT Style EIA-232 Interface
I = Input, O = Output, N/A = Not Applicable, N/C = Not Connected
Table D-2. RJ-49C ISDN
Pin Name I/O Description
1 CD N/C Carrier Detect
2RD O ReceiveData
3TD I TransmitData
4DTR N/CDataTerminalReady
5GNDN/ASignalGround
6 DSR N/C Data Set Ready
7 RTS I Request to Send
8CTS O CleartoSend
9 RI N/C Ring Indicator
Pin Description
4Ring
5Tip
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