Fasten the communication unit by tightening its mounting screws (2 places) with tightening
torque of 0.36 to 0.48 N·m.
When installing an extension unit on the outer layer, refer to the following.
7.1.3 Installing multiple extension units in layers
When not installing an extension unit on the outer layer, cover the top of mounting screws (4
places) with accessory stickers in order to avoid receiving static electricity.
Keep the connector cover fixed.
Keep the sticker stuck as it is.
Remove the serial communication unit
If you remove the serial communication unit, detach it from specified direction
(shown PULL) so as not to break a connector.
7.1 Communication Unit
7.1.2 Installing procedure