Lenovo ThinkPad X230 Hardware Maintenance Manual page 77

When installing: Plug the red cable into the main connector, and the blue cable into the auxiliary connector
on the card.
If the computer you are servicing is a wireless WAN-ready model and does not have a wireless WAN card,
route the antenna cables and secure them with tape as shown in the following illustration.
Removal steps of PCI Express Mini Card for wireless WAN (half-size wireless WAN card)
Unplug the connectors by using the antenna RF connector removal tool, or pick the connectors with your
fingers and gently unplug them in the direction shown by the arrows 1 .
71
.
Chapter 9 Removing or replacing a FRU