Hardware Configuration
ROBO-8913VG2AR User’s Manual
2-6
J16 : COM1 Serial Port
PIN No.
Signal Description
1 DCD
2 DSR
3 RXD
4 RTS
5 TXD
6 CTS
7 DTR
8 RI
9 Ground
10 N/C
J17 : COM2 Serial Port 2 Connector
PIN No.
Signal Description
RS-232 RS-422
RS-485
1
DCD (Data Carrier Detect)
TX-
DATA-
2
DSR (Data Set Ready)
N/C
N/C
3
RXD (Receive Data)
TX+
DATA+
4
RTS (Request to Send)
N/C
N/C
5
TXD (Transmit Data)
RX+
N/C
6
CTS (Clear to Send)
N/C
N/C
7
DTR (Data Terminal Ready)
RX-
N/C
8
RI (Ring Indicator)
N/C
N/C
9 GND
(Ground)
GND
GND
10 N/C
N/C
N/C
Note:
J17 (COM2) could be configurable as RS-232/422/485 with jumper JP3.
J18 : External PS/2 Keyboard/Mouse Connector
PIN No.
Signal Description
PIN No.
Signal Description
1
Mouse Data
2
Keyboard Data
3 N/C
4 N/C
5 Ground
6 Ground
7
PS2 Power
8
PS2 Power
9
Mouse Clock
10
Mouse Clock
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