Connect Serial Printer or PC 31
E-EQ-VX3XOGWW-E VX3X User’s Guide
Connect Serial Printer or PC
Some endcap configurations contain a single serial port or dual serial ports. These ports are
labeled RS-232 and are configured either as COM1 or COM3. Please refer to “Components”
earlier in this manual for port identification.
Refer to the documentation received with the printer or PC for complete
instructions.
Pin 9 of COM1 or COM3 (when present) may be configured to provide +5V or RI. To change
Pin 9 of the port, please refer to the “VX3X Reference Guide”.
Caution – Do Not Use the USB-C or USB-H Labeled Port for PC serial cables or printers.
The printer or PC cable requires a nine-pin D-shell female connector for the VX3X.
The printer or PC cable is attached to the connector labeled “RS-232”.
Note: Use of a shielded cable is required to maintain FCC and CISPR22 emissions
compliance.
RS-232
USB-C
Figure 21 Connect Serial Cable to COM3
1. Power off the VX3X before connecting the cable to the VX3X.
2. Seat the connector firmly over the pins and turn the thumbscrews in a clockwise
direction. Do not overtighten.
3. Use a strain relief clamp to secure the cable.
4. Press the power button to power up the VX3X.
