Oki PT340 Guide De L'utilisateur page 76

(2) Serial Interface Connector (Dual interface model)
Pin No. Signal Name
1
SG
2 TXD
3 RXD
4 RTS
5 CTS
6 DSR
7 SG
8~19 N.C
20 DTR
21~24 N.C
25 INIT
Caution: Use a lock screw with an imperial thread on the connector.
Caution: Please use a RS232C 9 Pin – 25 Pin crossover cable for your
interface cable.
(3) Connection Cable (Dual interface model)
The connection setup shown in the following figure is recommended.
Host
1 DCD <
2 RXD <
3 TXD <
4 DTR <
5
6 DSR <
7 RTS <
8 CTS <
9
Caution: Supplying power from the interface connector is prohibited.
Direction
-
Output
Input
Output
Input
Input
-
-
Output
-
Input
FG <
SG <
RI <
Signal Line Name
Signal Ground
Transmit Data
Receive Data
Request to Send
Clear to Send
Data Set Ready
Signal Ground
No Connection
Data Terminal Ready
No Connection
Forcible Reset Signal
74
Printer
> FG
> SG 1
> TXD 2
> RXD 3
> RTS 4
> CTS 5
> DSR 6
> SG 7
> N.C 8
> DTR 20
> N.C 22