Personal Computer
RS-232
PORT
Connect to PC
WAS-T0017 RS232 interface cable
VCC +5V
TXD
RXD
FUNCTION
GND
MINI USB 4P
4
3
2
1
DSUB 9P FEMALE PIN
3
2
5
External power DC +5V
GS120
DSUB 9P POWER JACK
-
+
No use
Note:
1. When GS120 is connected/disconnected with an external power adapter, it would be turned
On/Off automatically.
2. When GS120 is not connected with an external power adaptor , the corresponding key for
power on GS120 needs to be pressed all the time during the communications with the PC.
12