IBM ThinkPad A30 Hardware Maintenance Manual page 67

The following illustrations show the wireless LAN/modem
combo card. Antenna cables 3a and 3b are for the
wireless LAN feature, and 6 is for the modem feature.
This slot also supports a Mini PCI modem card.
Note: When unplugging the antenna jack, do not pull the
cable; it might snap. Unplug the jack by pulling a
tab with your fingers.
When installing: Plug the gray antenna cable with the tab
(continued)
3a
marked "MAIN" ( 3a ) into jack J1, and
the black antenna cable with the tab
marked "AUX" ( 3b ) into jack J2.
Removing and replacing a FRU
4
5
ThinkPad A30, A30p
3b
5
61