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1. At the rear of the carrier, install the rear connector plate. Make sure the plate uses
the same slot position as that intended for the modem.
— Loosely fasten the plate. This allows for slight adjustments later when
installing the modem.
2. At the front of the carrier, hold the modem vertically, with the latch on its faceplate
in the open position, and insert it into the top and bottom card guides of one of the
slots numbered 1–16.
— Slide the modem into the slot, aligning the modem with the rear connector
plate, until the backplane connector and DTE connector seat firmly into the
back of the carrier. The faceplate latch automatically closes as you push the
modem into the carrier. To lock the modem into the carrier, press the faceplate
latch until a click is heard.
3. If the carrier is ON, the Power LED on the faceplate of the 3811 lights. After
several seconds the modem completes its power-up self-test in which all faceplate
LEDs light. If the modem fails, the Alrm LED on the faceplate flashes.
— Return to the rear of the carrier and tighten the rear connector plate.