User`s guide

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Serial
(1) Specifications
Data input : RS-232C
Data control : H/W BUSY, XON/XOFF
(2) Connector signal description
Pin no. Signal I/O Function
1 N.C.

No connection
2 TxD Output XON/XOFF Output
3 RxD Input Data reception
4
 
Connected to pin 6
5 GND

Ground
6
 
Connected to pin 4
7 N.C.

No connection
8 RTS Output Data send request
9 N.C.

No connection
Computer connections
Computer
DPU-414
RxD 2 TxD
TxD 3 RxD
DTR 4 Connected to pin 6
GND 5 GND
DSR 6 Connected to pin 4
RTS 7 N.C.
CTS 8 RTS