Digital Electronics FP790-T21 Installation Manual - Page 9

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RS-232C Interface (COM1/COM2/COM3)
This is an FP-790 Windows
Dsub 9 pin (Male)
1
2
3
4
6
7
8
Screw Size: (4-40): Inch Type
Recommended Connector:
Connector set screw:
Cable:
• Since all serial interface signals are the same on the PC side, use a
straight cable to connect the FP to the PC.
• The GND terminal is the signal ground. Be sure to connect the GND
terminal to other unit's SG (signal ground).
®
-type Mouse Emulator RS-232C connector.
Pin No.
1
5
2
3
4
9
5
6
7
8
9
Mini Dsub 9-pin (JST Co.) JEY-9P-1A3F eqivalent
Inch type (4-40UNC)
Digital Electronics Corporation SIO cable (FP-61V-IS00-0)
Signal
Name
CD
Carrier Detect (FP->Host)
RXD
Receive Data (FP->Host)
TXD
Send Data (FP<-Host)
DT R
Terminal Ready (FP<-Host)
GND
DSR
Data Set Ready (FP->Host)
RT S
Ready to Send (FP<-Host)
CT S
Clear to Send (FP->Host)
RI
- 9 -
Meaning
Ground
Not used