Replace A Dat Or Dvd Drive ( Netra Tm 20) - Lucent 5ESS DRM User Manual

235-200-150
March 2006
Replace a DAT or DVD Drive ( Netra
4.12
OVERVIEW
The DAT tape drive and the DVD drive are built into the AW. Therefore, the AW must
be halted before any maintenance on these drives can be performed.
Caution: Follow proper ESD grounding procedures when handling AW units.
Wear an antistatic wrist strap and store ESD-sensitive components in
antistatic containers.
PROCEDURE
1. Remove power to the AW. See "Remove Power to Administrative Workstation
(Netra t 1120 or Netra 20)", Procedure 4.7.
2. Open the top cover of the AW.
Note: If the top cover is not accessible when mounted, the AW may need to be
completely removed from the frame. See "Replace System Unit (Netra t 1120 or
Netra 20)", Procedure 4.6.
a. Loosen the two captive screws from the rear of the top cover. See Figure
4.12-1)
b. Pull the top cover tab from the back of the system to disengage the lugs and
lift it off.
Figure 4.12-1 — Removal of Netra 20 Top Cover
1. Trademark of Sun Microsystems, Inc.
Issue 3.00M
ADMINISTRATIVE WORKSTATION MAINTENANCE
1
TM 20)
Procedure 4.12
Page 4.12-1