User's Manual
ITC2100-NA Operation and Service Manual Version 1.0
© SWISSPHONE Wireless AG
Page 31 of 129
6. Removing the ITC2100-NA rear panel by unscrewing the ten screws.
Fig. 5-13: Removing the ITC2100-NA rear panel
7. Carefully pivot the rear panel downward. Unplug the old wide ribbon cable (connection
from the SC card to the TRx module) which is attached to the interface print of the TRx
module (see figure below).
Fig. 5-14: Unplugging the wide ribbon cable from the interface print of the TRx module
8. Connect the new wide ribbon cable supplied with the OIC card to the interface print of
the TRx module.
9. Re-attach rear wall.
10. Plug in power connector. Connect battery and put the DAU back into operation.
11. Check whether the green LED lights up.
Further information on the I.SITE II and OIC card, in particular the wiring, can be found in
the I.SITE II and OIC service manuals.