2
1 Using Interface Cable
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-720NW)
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 meters.
| Brother QL side | | | PC side |
| D-sub female, lock screw #4-40 (UNC). | (D-Sub9P female) |
| | | | | |
| Signal | Pin | Pin Assignments | Pin | Signal |
| Name | Number | Number | 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 |
| | | | | |
The RS-232C serial connector part of this equipment is not Limited Power Source.
•Network cable (QL-720NW)
Use a straight-through Category5 (or greater) twisted-pair cable for 10BASE-T or 100BASE-TX Fast Ethernet Network.