Paradyne Comsphere 3920Plus Installation And Operation Manual page 32

2. At the front of the carrier, hold the modem vertically, with the latch on its faceplate in the
3. If the carrier is ON, the Power LED on the faceplate of the 3921Plus lights. After several
3920-A2-GN31-10
open position, and insert it into the top and bottom card guides of one of the odd slots
numbered 1–15 (Figure 2-2).
Slide the modem into the slot, aligning the modem with the rear connector plates, 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.
seconds the modem completes its power-up self-test, in which all faceplate LEDs light.
Return to the rear of the carrier and tighten the rear connector plates.
Figure 2-2. Installing a Model 3921 Modem
April 1995
Modem Installation
2-9