Replace A Dat Tape Drive Unit ( Netra 240) - Lucent 5ESS DRM User Manual

Distinctive remote module
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235-200-150
March 2006
Replace a DAT Tape Drive Unit ( Netra
4.14
OVERVIEW
This procedure is used to replace a defective external DAT tape drive unit connected
to the Netra 240 AW.
Before replacing the defective DAT tape drive unit, preliminary checks should be
performed to ensure that the cause of failure has not resulted from loss of power to
the unit or the failure of the SCSI cable connecting the unit to the AW.
Caution: When performing maintenance on the DAT tape drive unit,
personnel should be properly grounded, wearing a wrist strap connected to a
frame ground or a designated ground connection point.
PROCEDURE
1.
Halt the AW (see "Halt the Administrative Workstation," Procedure 4.2).
2.
Remove power to the DAT tape drive unit (see "Remove Power to DAT Tape
Drive Unit (Netra 240)", Procedure 4.15 ).
3.
Disconnect the SCSI cable from SCSI port A at the rear of the DAT tape drive
unit. See Figure 4.14-1 (Netra 240 DAT Rear Panel).
Figure 4.14-1 — NETRA 240 DAT Rear Panel
4.
Remove the mounting screws securing the DAT tape drive unit to the mounting
bracket. See Figure 4.14-2 (Netra 240 DAT Front Panel). Save the screws for
mounting the replacement DAT tape drive unit to the mounting bracket.
1. Registered trademark of Sun Microsystems, Inc.
Issue 3.00C
ADMINISTRATIVE WORKSTATION MAINTENANCE
1
240)
Procedure 4.14
Page 4.14-1

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