AT&T 3 manual Disconnecting the Mail System, Captive Retaining Screw Location

Disconnecting the Mail System

Disconnecting the Mail System

CAUTION:

Attach a grounded wrist-strap to the bare skin of your body before handling any components sensitive to electrostatic discharge. The wrist strap should be connected to ground through a one-megaohm resistor (usually built into the grounding cord).

1.Turn off the power switch on the right side panel of the system unit.

2.Unplug the power cord.

WARNING:

The mail system unit must be unplugged before removing the cover. Hazardous voltage is inside. Failure to comply could cause electric shock.

3.Disconnect all modular telephone cords and the modem cable from the system unit.

4.Loosen the captive retaining screw securing the cabinet to the bracket (see Figure 7-1).

Captive

Retaining

Screw

Figure 7-1. Captive Retaining Screw Location

7-2Upgrading the System