Instruction manual

61200239L1-20 Express 3010/3110 User Manual E-1
Appendix E
Connector Pinouts
The EIA-232 interface is shown in Figure E-1.
Figure E-1. EIA-232 Interface
Pin Name I/O Description
1 Shield I/O Shield for cable
2 TD I Transmitted Data
3RD O Received Data
4RTS I Request to Send
5CTS O Clear to Send
6 DSR O Data Set Ready
7 SG I/O Signal Ground
8CD O Carrier Detect
15 TC O Transmit Clock
17 RC O Receive Clock
20 DTR I Data Terminal Ready
22 RI O Ring Indicator
24 ETC I External Transmit Clock
I = Input O = Output
PIN 13
PIN 1
PIN 25
PIN 14
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