64 Service Manual (AA-RS2ED-TE, July 2004)

FRU Removal and Replacement

248 Director 2/64 Service Manual

— If at an EWS interface:

a. Click the Switch tab at the Operations panel. The Operations panel

displays with the Switch page open.

b. Click the Sys Err Light tab. The Switch page displays with the Sys

Err Light tab selected. A System Error Light is ON

message displays on the page.

c. Click Clear Light.

11. If necessary, close and lock the equipment cabinet door.

RRP: Redundant SBAR Assembly

Use the following procedures to remove or replace a redundant SBAR assembly

(two assemblies in the director) with the backup SBAR assembly operational. A list of

tools required is provided.

Tools Required

The following tools are required to perform these procedures.

■ Standard flat-tip screwdriver.

■ ESD grounding cable and wrist strap.

■ Torque tool and hex adapter (provided with the director).

Removing a Redundant SBAR Assembly

To remove a redundant SBAR assembly:

1. If the director is installed in a stand-alone configuration, go to step 2. If the

director is rack-mounted, unlock and open the cabinet rear door as directed by

the customer representative.

2. Follow ESD procedures by attaching a wrist strap to the director chassis and

your wrist, as shown in Figure 73 on page 230.

Caution: To avoid causing machine errors or damage while working on the

director, follow ESD procedures by connecting a grounding cable to the

director chassis and wearing an ESD wrist strap.

3. Remove the RFI shield.