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Serial (RS-232) Interface Requirements
The required cable must have a nine-pin "D" type male connector
on one end, which is plugged into the mating serial port located
on the back of the printer. The other end of the signal interface
cable connects to a serial port on the host computer.
For technical and pin-out information, please refer to the
Reference Technical Information, Interface Specification.
Power Jack
RS232 Serial Port
Parallel Port
U
S
B Port
29
Parallel Interface Requirements
The required cable (IEEE 1284-compliant is recommended) must
have a standard 36-pin parallel connector on one end, which is
plugged into the parallel port located on the back of the printer.
The other end of the parallel interface cable connects to the
printer connector at the host computer. For pin-out information,
refer to the Reference Technical Information, Interface
Specification.
Serial and Parallel Cabling Requirements.
Data cables must be of fully shielded construction and fitted with
metal or metalized connector shells. Shielded cables and
connectors are required to prevent radiation and reception of
electrical noise.
To minimize electrical noise pickup in the cable:
• Keep data cables short (6 ft or 1.83m recommended).
• Do not tightly bundle the data cables with power cords.
• Do not tie the data cables to power wire conduits.
Notes:
1. Centronics allows a much higher communication speed
than serial.
2. The printer automatically detects parallel or serial port.
No need to set a switch or send a command.
3. Default settings are included in the configuration report.