Paradyne 3810 manual Removing and Replacing Model 3811 Modems, Circuit Pack Lock

COMSPHERE 3800 Series Modems

If the modem is to communicate with an installed SDCP, install the modem as described above and perform the following steps:

1. Press the Select key on the SDCP. The cursor appears in the carrier selection entry.

2. Press the F1 (") or F2 (↓) key until the carrier

number you want appears on the LCD.

The carrier number selection has a range of 1 to 8

since a single SDCP can control a configuration of

up to eight carriers. (This is only possible if the

SDU is installed.)

CLOSED

(LOCKED)

CIRCUIT

CARD

GUIDE

CIRCUIT

PACK

LOCK

CIRCUIT

3. Press the key to position the cursor on the slot

OPEN

CARD

GUIDE

selection entry.

4. Press the F1 (") or F2 (↓) key until the slot

number (1±16) you want appears on the LCD.

Ignore the AB designator that appears on the LCD

since it is not applicable to the 3800 Series

modems.

5. Press the Select key to place the SDCP in direct communication with the selected modem.

The LCD displays the Top-Level menu for the selected modem. In addition, the Front Panel LED on the modem's faceplate and the OK LED on the SDCP light.

6.Once you have determined that the modem is installed properly and completed its power-up self-test, rotate the circuit pack lock until it covers the faceplate latch (Figure 3-3). This prevents the modem from accidently being removed once it is installed in a carrier.

7.Configure the modem as described in the Selecting Factory Configuration Options section in Chapter 4.

(UNLOCKED)

LATCH 495-11985a-03

Figure 3-3. Circuit Pack Lock

Removing and Replacing Model 3811 Modems

It is not necessary to power down the carrier to remove and replace a Model 3811 modem. Perform the following steps:

CAUTION

If the Model 3811 is removed from the carrier, always use a ground strap when handling the modem. Always store the Model 3811 in an antistatic bag when it is removed from the carrier.

1.Rotate the circuit pack lock until the release tab is exposed.

2.Press down on the release tab and pull the modem away from the carrier's backplane.

3-4 November 1996 3810-A2-GB30-20