Black Box ServSwitch User Manual

104
MATRIX SERVSWITCH™
Appendix C: Pinout of Serial Ports
The table below shows the pinout of the Matrix ServSwitch’s RJ-12 (“6-wire RJ-11”)
female RS-232 serial ports.
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-kΩ 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-kΩ resistor
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Black Box ServSwitch Specifications

General

Connection Type	Wired
Type	KVM
Video Support	VGA
USB Support	Yes
Audio Support	Yes
Compatibility	PC
Switching Method	Push Button
Power Supply	External
Ports	4