3.2 Connecting Interface Cables

Confirm that the power switch is OFF and connect the interface cable.

Orient the interface cable terminal correctly and insert it into the interface connector.

Serial Interface

Parallel Interface

USB Interface

CAUTION!

When disconnecting the cable, always hold the connector.

Be careful not to insert the USB interface cable into the cash drawer kick-out connector.

For serial interface cable, use the one with the following connection.

25-pin - 25-pin cable

9-pin - 25-pin cable

PC

Signal Pin

FG 1

TXD 2

RXD 3

CTS 5

DSR 6

SG 7

DTR 20

Printer

Pin

Signal

1FG

2TXD

3RXD

4RTS

6DSR

7SG

20 DTR

PC

Signal

Pin

RXD

2

TXD

3

DTR

4

SG

5

DSR

6

CTS

8

Printer

Pin Signal

2TXD

3RXD

4RTS

6DSR

7SG

20 DTR

CAUTION!

Avoid locating the interface cable in places which may cause tripping or falling.

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Citizen Systems CT-S4000DC user manual Connecting Interface Cables, Signal Pin, Pin Signal