10
2-3. Serial Interfaces
2-3-1. Remote
The remote connector is normally not active.
9-pin D-sub, female
Pin Assignment
Pin No.
Signal
I/O
Description
1
FG
-
Frame ground
2
TX-
Out
Transmit data (-)
3
RX+
In
Receive data (+)
4
SG
Signal ground
5
NC
No connection
6
SG
Signal ground
7
TX+
Out
Transmit data (+)
8
RX-
In
Receive data (-)
9
FG
Frame ground
2-3-2. RS-232C
9-pin D-sub, male
Pin Assignment
Pin No.
Signal
I/O
Description
1
DCD
Detect carrier detect
2
RXD
In
Receive data
3
TXD
Out
Transmit data
4
DTR
Out
Data terminal ready
5
GND
Signal ground
6
DSR
In
Data set ready
7
CTS
In
Clear to send
8
RTS
Out
Request to send
9
RI
Ring indicator
USO
RESTRITO
