Using Interface Cable; 6 Using Interface Cable- Page 17

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STEP

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RS-232C cable and Network cable are not standard accessories.

Prepare the appropriate cable for your interface.

•

USB cable

Use the enclosed interface cable.

•

RS-232C cable (QL-580N)

The pin assignments for the serial cables (RS-232C cables) which can be used with this 
machine are shown in the table below. You can purchase the cables at an electronics 

store. Do not use an interface cable that is longer than 2 metres.

Brother QL side

PC side

D-sub female, lock screw #4-40 (UNC).

(D-Sub9P female)

•

Network cable (QL-580N)
Use a straight-through Category5 (or greater) twisted-pair cable for 10BASE-T or 

100BASE-TX Fast Ethernet Network.

•

It is not possible to connect a RS-232C cable and USB cable to the printer at the 

same time.

•

The RS-232C serial connector part of this equipment is not Limited Power Source.

6 Using Interface Cable

Signal 

Name

Pin 

Number

Pin Assignments

Pin 

Number

Signal 

Name

DCD

1

1

DCD

RXD

2

2

RXD

TXD

3

3

TXD

DTR

4

4

DTR

GND

5

5

GND

DSR

6

6

DSR

RTS

7

7

RTS

CTS

8

8

CTS

RI

9

9

RI