How to Make Cables

RS232 DB9 Cable

RS422 DB9 Cable

Twisted-pairs is recommended for RS422 connection.

Modem DB9 Cable

Use this cable to connect the modem with the sign. Do not use this cable to connect the modem with PC.

Modem DB25 Cable

Use this cable to connect the modem with the sign. Do not use this cable to connect the modem with PC.