Lenovo ThinkPad T510 Hardware Maintenance Manual page 98

Table 20. Removal steps of PCI Express Mini Card for wireless LAN (continued)
When installing:
• In models with wireless LAN card that has two antenna connectors, plug the gray cable into the jack labeled
MAIN or M, and the black cable into the jack labeled AUX or A on the card. If the computer you are servicing has
three cables, put the white cable in the cable protection tube as shown in this figure.
• In models with wireless LAN card that has three antenna connectors, plug the gray cable (MAIN) into the jack
labeled TR1, the white cable (3rd) into jack labeled RO or TR3, and the black cable (AUX) into jack labeled
TR2 on the card.
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ThinkPad T510, T510i, and W510 Hardware Maintenance Manual