Specifications

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SK1-21/31

5- 2．Serial

(1) Pin layout

Connector: CVILUX CH87102HA00 or equivalent

Pin Signal Direction Function

1 N.C ――

2 DTR ―― DSR loop connect

3 RxD Input Serial data input

4 RTS Output Request to send

5 TxD Output Serial data output

6 CTS Input Clear to send

7 DSR ―― DTR loop connect

8 N.C ――

9 GND ――

10 N.C ――

DTR is used to control data transmission to some host systems.

When the host system is communicated by DTR, use loop connect of the host system.

(2) Conditions

Baud rate: 1200 to 115200bps

Parity: None, Odd, Even

Bit length: 7, 8 bit

Busy control: Hardware control(RTS/CTS/Software control(XON/XOFF)