SRP-270

2-2-1 Serial Interface (RS-232C)

ON

RS-232

Ver.2

Interface Connector

Drawer kick-out

Power supply

 

connector

connector

When the Dip Switch is “ON” on the Serial Interface Board, DTR and RTS are connected each other.

Printer Side

Host Side

Printer Side

Host Side

(25Р)

(25Р)

(25Р)

(9Р)

(Shield.G)

(Shield.G)

(Shield.G)

(Shield.G)

(S.GND)

(S.GND)

(S.GND)

(S.GND)

Pin No.

Signal name

Direction

Function

1

FG

-

Frame Ground

2

TxD

Output

Transmit Data

3

RxD

Input

Receive Data

4

RTS

Output

Ready To Send

5

CTS

Input

Clear To Send

6

DSR

Input

Data Set Ready

7

SG

-

Signal Ground

20

DTR

Output

Data Terminal Ready

Rev. 1.00

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Image 11
Samsung SRP270CPG, SRP270AP user manual Rts