APPENDIX E: Rackmount
85
Appendix C: Pinout of RS-232 Port
The table below shows the pinout of the ServSwitch’s RJ-12 (“6-wire RJ-11”)
female RS-232 port.
Pin
Signal Name
Abbrev. Direction Description
1
Data Set Ready
DSR
Input
Reserved (not used)
2
Data Terminal Ready DTR
Output
Pulled high with 1-K
.
resistor
3
Transmit Data
TD
Output
Serial data from port
4
Signal Ground
SGND
N/A
DC ground reference
5
Receive Data
RD
Input
Serial data to port
6
Request to Send
RTS
Output
Pulled high with 1-K
.
resistor
