Technical data

System upgrades
A26361-K994-Z220-1-7619, Edition 2 75
Installing and removing a WLAN module (optional)
i
You can install a WLAN module in your device.
The following illustrations show the CELSIUS R. The sequence of actions is identical for
all device variants and configuration levels.
Installing WLAN module
► Open the casing (see "Opening the casing").
► Open the front panel (see "
Opening the front panel").
Initial installation of a WLAN module
The slot on the WLAN module inside of the front panel is protected by a metal cover when the device
is shipped.
► Break the pre-stamped metal cover out of
the WLAN opening using a screwdriver.