Enterasys Matrix 7GR4202-30, Руководство по установке оборудования

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Memory Locations and Replacement Procedures
Matrix DFE-Diamond Series Installation Guide B-9
Removing the Optional Network Expansion Module (NEM)
Refer to Figure B ‐ 12 and proceed as follows:
1. Attach the antistatic wrist strap (refer to the instructions on the antistatic wrist strap package).
Figure B-12 Removing the Optional Network Expansion Module
(
NEM
)
2. Remove and save the two coverplate screws fastening the NEM to the DFE module front
panel.
3. Remove and save the screw fastening the NEM to the standoff on the main PC board. The
screws removed in steps 2 and 3 are used later to reinstall the NEM.
4. Lift and remove the NEM off the two main PC board connectors. Now you have access to the
DRAM SIMM and DIMM. To replace the DRAM SIMM, refer to “ DRAM SIMM Replacement
Procedure ” on page B ‐ 5. To replace the DIMM, refer to “ Removing the DIMM ” on page B ‐ 7.
5. Reinstall the NEM. Refer to the installation instructions shipped with the NEM for details.
1 Coverplate screws (2) 4 Screw
2 NEM 5 Main PC board
3 DFE module front panel 6 Main board connectors