Lenovo ThinkPad Edge L330 Hardware Maintenance Manual page 98

Cable routing: When you install the antenna assembly, 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 Wireless LAN MAIN antenna (gray)
b
Wireless WAN MAIN antenna (red)
c Wireless WAN AUX antenna (blue)
d Wireless LAN AUX antenna (black)
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Hardware Maintenance Manual