IBM ThinkPad R40 2681 - Page 75

Antenna cables 4a and 4b are for the wireless LAN
feature.
Note: When unplugging the antenna jack, do not pull the
cable; it might snap. Unplug the jack by pulling a
tab with your fingers.
4b
4a
When installing: Plug the gray antenna cable with the tab
marked “MAIN” (4a) into jack J1, and
the black antenna cable with the tab
marked “AUX” (4b) into jack J2.
(continued)
Removing and replacing a FRU
ThinkPad R40 71