
- Before installing this option, turn OFF the main power and unplug the power cord from the wall socket. Otherwise an electric shock or a malfunction may occur.
- Do not put your hand into the controller box. It will result in a malfunction or injury.
- Before doing any work, touch a metal object to discharge static electricity from your body. Static electricity may cause the board to malfunction.

- When using wireless LAN (IEEE802.11 b/g/n:2.4-GHz band), this radio product uses the 2.4-GHz band. Check that industrial, scientific and medical devices using the same frequency bands, such as a microwave oven or a cordless telephone, are not used nearby.
- If there is interference, communication may become unstable. Check that there are no devices likely to cause interference in the surrounding area.
- Turn OFF the main power of the machine, and unplug the power cord from the wall socket.
- Loosen the two screws and remove the I/F slot cover.
The removed cover will not be reused.

- Insert the interface board [A] into the I/F slot.
