Lenovo ThinkPad X1 Carbon Hardware Maintenance Manual page 92

Cable routing: When you install the antenna kit, route the cables as shown in the following illustration. As
you route the cables, ensure that they are not subject to any tension. Tension could cause the cables to be
damaged by the cable guides, or a wire to be broken.
a
a
Black cable (WLAN auxiliary)
b Blue cable (WWAN auxiliary)
c Orange cable (WWAN main)
d Gray cable (WLAN main)
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ThinkPad X1 Carbon Hardware Maintenance Manual
b
c
d
d
c