• Topic ID: id_11038862
  • Version: 6.0
  • Date: Dec 22, 2021 11:20:50 PM

GSCB Replacement

Prerequisites

Overview

This procedure shall be followed when replacing the GSCB assembly on a system.

Figure 1. Global Scan Control Box (with GSCB Standard Cable)

1 GSCB Removal

Procedure

  1. Select one of the following methods to Power OFF the Console:
    1. If Applications are up, click on the Shut Down button on desktop display and select Shutdown.
    2. If Applications are down, open a Terminal Window. Type: halt , then press Enter.
  2. When halt command has finished, power Off the console at the front panel switch.
  3. Apply LOTO for console.
  4. Remove the console rear chassis cover.

    Refer to Console Cover Removal and Installation

  5. Disconnect the GSCB cable assembly from the console.
  6. Remove the Keyboard from the GSCB Keyboard Mounting Plate and set aside.

2 Replacement GSCB Preparation

Procedure

  1. Remove the four (4) Flathead Phillips screws to remove the Keyboard Mounting Plate from the original GSCB Assembly and transfer the mounting plate to the replacement GSCB using the same four (4) screws removed from the original assembly.

    Figure 2. GSCB Keyboard Mounting Plate

  2. Open Service Access Panel on the rear of the GSCB and set configuration switches as necessary.

3 GSCB Install

Procedure

  1. Mount the Keyboard to the replacement GSCB Keyboard Mounting Plate removed earlier.
  2. Place the replacement GSCB assembly on the console top and route the GSCB Cable to the rear of the console.
  3. Reconnect all cables removed earlier.

    Figure 3. GSCB Cable Connections

  4. Remove LOTO on console.

4 Functional Checks, Alignments and Setups

Procedure

  1. Power On console.
  2. Perform the GSCB Functional Checks instructions from the procedure list.

5 Finalization

Procedure

  1. Install console rear cover. Refer to Replacement > Console Cover Removal and Installation Procedure.
  2. Perform the Functional Checks > System Scanning Test instructions from the procedure list.
  3. Perform the Functional Checks > Quality Assurance Test instructions from the procedure list.