Connecting Verbatim Gateway VMBM-1 to Modicon PLC's using Modbus Protocol

How do I connect Verbatim Gateway VMBM-1 to Modicon PLC's using Modbus Protocol?

Verbatim Gateway VMBM-1 to Modicon PLC's using Modbus Protocol.  Click on the wiring diagram below to download.

vmbm_1_serial_cable_connection_diagram-1