SATO WS408TT Technical Manual page 22

2 Accessories Installation
2. Below the main board, you'll find two screw holes on the lower-right. Align the
two holes on the Wireless LAN card with them and secure the card with two
screws.
3. Plug the Wireless LAN cable 1 (white connector) to J13, which is the white port
located to the lower-right of the main board.
4. Plug the Wireless LAN cable 2 (black connector) to J15, which is the black port
located to the lower-right of the main board.
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Wireless LAN Module
WS4-TT-r01-30-12-16TM