❏ Serial interface specifications
• Input connector
RS-232C Pin assignments
Notes: 1. NC stands for no connection.
2. CHASSIS GND and GND are connected in the printer.
• Handshake protocol
One of the following four protocols can be selected:
- DTR protocol
- X ON/X OFF protocol I
- X ON/X OFF protocol II
- ETX/ACK protocol
• Baud Rate
In the setup options, one of the following baud rates can be selected:
1200, 2400, 4800, and 9600 BPS.
PIN SIGNAL IN/OUT PIN SIGNAL IN/OUT
1 CHASSIS GND 14 NC
2 TXD OUT 15 NC
3 RXD IN 16 NC
4 RTS OUT 17 NC
5 CTS IN 18 NC
6 DSR IN 19 NC
7 SIGNAL GND 20 DTR OUT
8CD IN 21 NC
9NC 22 NC
10 NC 23 NC
11 SRTS OUT 24 NC
12 NC 25 NC
13 NC
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