====== MOD-COM4 Configuration ======
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===== 1 - COM Port Settings =====
Choose your relevant COM port setting here.

Available COM modes are:
  * RS232
  * Half-duplex RS485
  * Full Duplex RS485 or RS422 (Only ports PO1 and PO3 can be set to Full Duplex RS485 or RS422, choosing this mode will take up 2 ports)

===== 2 - COM Port Testing =====
Use this section to send test commands over the CFLink bus from your module.