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58 Chapter 3 Option card and DIMM installation
NN46110-316 03.01
Before you install or replace a DIMM, complete the following procedures:
• Shut down the VPN Router 1750 by using the Web GUI or the CLI, and then
unplug it as described in “Shutting down the system to add or replace
hardware” on page 48.
• Remove the front bezel from the chassis, and then remove the chassis from the
equipment rack. For more information, see “Removing the front bezel and top
cover” on page 49.
• Remove the top cover from the chassis. For more information, see “Removing
the front bezel and top cover” on page 49.
• Attach the antistatic wrist strap that ships with the VPN Router 1750. For
more information, see “Attaching the antistatic wrist strap” on page 52.
To install or replace a DIMM, perform the following steps:
1 If you need to replace a DIMM, remove the installed DIMM as follows:
a Press down the locking lever on either side of the DIMM.
b Pull the DIMM up to remove it from the slot.
2 Press down the locking lever on either side of the slot where you plan to
install the new DIMM.
3 Place the new or replacement DIMM in the slot.
Use the alignment keys to properly position the DIMM in the slot.
Caution: Install the same type of DIMM that is installed in your
gateway. For example, do not install a 256 MB DIMM in the VPN
Router 1750.
Warning: Risk of electric shock
Turn off the VPN Router 1750 and unplug it before you attempt to install
a DIMM.
Caution: Risk of equipment damage
Electrostatic discharge can damage VPN Router 1750 components.