Brother QL-650TD User Manual page 26

26
STEP1 Before using the printer
6 Using Interface Cable
RS-232C cable is not a standard accessory.
Choose the appropriate cable for your interface.
•
USB cable
Use the enclosed interface cable.
•
RS-232C cable
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
D-sub female, lock screw #4-40 (UNC).
Signal
Name
DCD
RXD
TXD
DTR
GND
DSR
RTS
CTS
RI
•
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.
Pin
Number
1
2
3
4
5
6
7
8
9
Pin Assignments
PC side
(D-Sub9P female)
Pin Signal
Number Name
1 DCD
2 RXD
3 TXD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI