User`s manual

MXGD Series CyberResearch

Motherboards

5.7.4 Dual RS-232/422/485 Cables

The MXGD is shipped with one RS-232/422/485 dual serial port connector cable. The dual

serial port connector cable connects the serial port connectors on the cable to the

RS-232/422/485 serial port connectors on the MXGD. Follow the steps below to connect

the dual serial port connector cable.

Step 1: Locate the serial port connector. The location of the RS-232/422/485 serial

port connector is shown in Chapter 3.

Step 2: Align the connectors. Correctly align pin 1 on the cable connector with pin 1 on

the MXGD COM2 serial port connector.

Step 3: Insert the cable connectors. Once the cable connector is properly aligned with

the COM2 serial port connector on the MXGD, connect the cable connector to

the onboard connectors. See Figure 5-14.

Figure 5-14: Dual Serial Port Connector Cable Connection

Step 4: Attach DB-9 serial port connectors to the chassis. The dual DB-9 serial port

connectors can be inserted into dual preformed holes in the chassis. Once,

inserted the DB-9 connectors should be secured to the chassis with retention