CITIZEN CLP-2001 - Manual (Page 57)

6.2 Interface
The printer is connected to a computer and prints labels according to the
commands from the computer.
Two methods of interface with a computer are as foliows:
6.2.1 Serial interface system configuration
Serial interface: RS-232C (standard)
Serial interface specifications
Method Asynchronous serial interface
RS-232C
Connector DSUB 25-pin
Protocol control XON/XOFF and CTS/DTR
Receive buffer size 12K bytes
Receiving data stops when the remaining buffer reaches 2K
bytes and resumes when the remaining buffer reaches 4K bytes
Baud rate 300, 600, 1200, 2400, 4800, 9600, 19200, 38400 bps
Bit length 7-or 8-bit
(Select 8-bit length when using Kana or Kanli)
Stop bit Fixed
When printer receives data, stop bit is fixed at 1, and when
printer transmits data, stop bit is fixed at 2, But computer can
transmit and receive data, regardless of stop bit at 1 or 2
Parity Non
6-5