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IT3800/3900 User’s Guide 6 - 1
6
Secondary Interface
By switching interface cables, the IT3800/3900 scanner can communicate with
a portable data terminal (secondary interface), in addition to the host terminal
(primary interface).
Note: Secondary interfaces do not apply to the IT3800LX-15.
The secondary interface can be programmed at any time.
Secondary Code 39 Wand Emulation
In Wand Emulation mode, the scanner decodes the bar code then sends data in
the same format as a wand scanner. The Code 39 Format converts all
symbologies to Code 39. The Same Code Format transmits UPC, EAN, Code
128 and Interleaved 2 of 5 without any changes, but converts all other
symbologies to Code 39. These codes set the transmission rate to 25 inches per
second and the output polarity to black, high. Default = Code 39 Format.
Note for the 3800PDF model: When the 3800PDF interface is set to wand
emulation, all PDF417 bar code data is transmitted as Code 128. Data from
other symbologies follow the rules described above.
Secondary RS-232 Connection
All communication parameters between the scanner and terminal must match for
correct data transfer through the serial port using RS-232 protocol.
RS-232 programmable selections are used by both the primary and secondary
interfaces. Changing an RS-232 parameter (e.g., baud rate or parity), while in
primary or secondary mode will affect both interfaces.
* Wand Emulation
Code 39 Format
Wand Emulation
Same Code Format
RS-232 Interface