Connecting Catalyst to GE 9030 Modbus Comm. Coprocessor CMM311/CMM711

How do I connect Catalyst to GE 9030 Modbus Comm. Coprocessor CMM311/CMM711?

To learn more about connecting Verbatim VSER-01 Serial Cable for local RS-232 or LDL serial printer option please review the image below.

Catalyst Cable - GE 9030 Modibus Comm. Coprocessor cable