• SIGNA MR355 / SIGNA MR360
  • Service Manual
  • 5856356-3EN Revision 5.0
  • Basic Service Documentation. Copyright General Electric Company.
  • Object ID: 00000018WIA303A0030GYZ
  • Topic ID: id_13106283 Version: 1.1
  • Date: Jul 5, 2019 10:46:04 PM

HUB Replacement in System Cabinet

Prerequisites

Table 1. Personnel requirements
Required personsPreliminary requirementsProcedureFinalization
1Not Applicable30 minutes15 minutes
Table 2. Tools and test equipment
ItemQuantityEffectivityPart numberManufacturer
Standard Tool1---
Table 3. Replacement parts
ItemQuantityEffectivityPart numberManufacturer
Ethernet Switch (FRU Manual)1-

Refer to FRU Manual

-
Table 4. Safety
Note:

The unit can be withdrawn with slide rail.

Table 5. Required conditions
ConditionReferenceEffectivity

System Power must be turned OFF. Refer to System Cabinet PDU Main Breaker LOTO Procedure.

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About this task

Procedure

  1. Remove L Upper Front Cover and R Upper Front Cover. Refer to SC Cover Removal.
  2. Perform the following steps.
    1. Disconnect all connectors from front of HUB.
    2. Remove 2 screws.
    3. Slide out the tray.
    4. Disconnect power cable.
    5. Peel Velcro tape and remove HUB.

    The HUB is located beside the ICE, above the DCPS for ICE.

    Figure 1. HUB location in SC
    (1)HUB(3)DCPS for ICE
    (2)ICE
    Figure 2. HUB Removal
  3. Install new HUB by reverse order of removal.
  4. Restore SC by reverse order of removal.

Finalization

  1. Restore the Power. Refer to System Cabinet PDU Main Breaker LOTO Procedure.
  2. Open C Shell and type as follows. Check that result of each ping test is OK.
    1. ping agp [Enter]
    2. ping scp [Enter]
    3. ping vre [Enter]
  3. Perform SPT Head SNR Check.