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Nortel Networks 1750 User Manual

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Chapter 3 Option card and DIMM installation 55
Nortel VPN Router Installation — VPN Router 1750 
Installing and replacing an option card
Before you install or replace an interface card or Hardware Accelerator card, 
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 
.
•
Remove the front bezel from the chassis, and then remove the chassis from the 
equipment rack. For more information, see 
.
•
Remove the top cover from the chassis. For more information, see 
•
Attach the antistatic wrist strap that ships with the VPN Router 1750. For 
more information, see 
To install or replace an interface card or a Hardware Accelerator card:
1
Locate the slot where you plan to install the new or replacement option card.
Warning: Risk of electric shock
Turn off the VPN Router 1750 and unplug it before you attempt to install 
an option card.
Note: Do not try to install an HSSI WAN interface card or a Hardware 
Accelerator card in slot 4.