Instruction Manual

8
► COM C (J4)
Recognized by the printer as Serial Port C, COM C functions as an auxiliary RS-232
interface or dedicated device port for the RFID and Linear Scanner options. Pin
assignments for the port are as follows:
Pin Number COM C (J4)
1 +5V (@ .5 amps)
2 RX
3 TX
4 DTR
5 Ground
6 Ground
7 RTS
8 CTS
9 N/C
At default settings, the COM C port automatically selects its function. To force a
selection, however, change the jumper settings as denoted in the table below:
COM C Jumper Setting Functions
Jumper and Setting
Selected Function
JMP 12 JMP 13 JMP 14 JMP 15
RS-232 Communications (default) On On On On
RFID Off On On On
Linear Scanner On Off On On
 Note: Jumper settings override menu settings: If set for RS-232 (default) with
the RFID and Linear Scanner menu-enabled, the printer will assign RFID to
Serial Port B (back plane port J13) and the Linear Scanner to the COM C
port.
► COM D (J3)
Recognized by the printer as Serial Port D, COM D is an auxiliary RS-232 interface.
Pin assignments for the port are as follows:
Pin Number COM D (J3)
1 +5V (@ .5 amps)
2 RTS
3 Ground
4 TX
5 RX
6 Ground
7 CTS
8 DTR