Argox OS Series - Manual (Page 16)

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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.
RS-232 Serial Port
Ethernet Port
(OS-2140E Model) USB Port
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Serial 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:
Default settings are included in the configuration report.