O-ring2Spacer1
Step 3 Attach the spacer to the chassis with the screws provided (2 in the following figure)
Captive screws4Spacer1
M12-RJ45 adapter5Spacer screws2
RJ45 plug3
Step 4 Align the RJ45 plug with the RJ45 connector in the chassis and plug the M12 adapter into the chassis
Step 5 Tighten the M12 adapter captive screws into the chassis. Torque to 15-20 in-lbs.
Cisco Catalyst IW9167I Heavy Duty Access Point Hardware Installation Guide
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Installation Overview
Using M12 Adapter on SFP Port