IHSE USA 234 Series VTO2/VRO2 KVM-Extender - Manual (Page 46)

VTO2/VRO2 V.6.00 –5 STRAND KVM-EXTENDER
46
RS232 (only device K234-9W with serial/Audio Upgrade)
9 pin DSUB female (Local Unit) 9 pin DSUB male (Remote Unit)
Pin Signal
1 Not connected
2 RxD
3 TxD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 Not connected
Power
Pin Signal
1 GND
2 Earth
3 n.c.
4 +6VDC
Housing Shield
1 2
3 4