Specifications

34 AT-9800 Series
C613-03043-00 REV B
Installing DIMM
AT9800 Series switches have one DIMM slot. The slot can be populated with
either a 128 MByte DIMM or a 256 MByte DIMM.
Only Allied Telesyn supplied DIMMS have been tested and approved for use
with AT-9800 Series switches. Using DIMM that has not been approved may
cause unreliable operation and will invalidate the switch’s warranty.
For AT-9800 Series switches, DIMM should only be installed by authorised
service personnel. Unauthorised opening of the switch’s lid may cause danger
of injury from electric shock, damage to the switch, and invalidation of the
product warranty.
To install DIMM in an AT-9800 series switch:
1. Avoid injury by working in a safe environment.
The workspace should be free of hazards, and there should be sufficient
room to lay out the switch, DIMM, and tools.
2. Unpack the DIMM in an antistatic environment.
Do not attempt to install any hardware without observing correct antistatic
procedures. Failure to do so may damage the switch or DIMM. If you are unsure
what the correct procedures are, contact your authorised Allied Telesyn
distributor or reseller.
3. If fitted, disconnect the switch’s redundant power supply.
4. Disconnect the mains power cord.
Before removing the switch’s lid, the power cord and, if connected, RPS power
cord should be disconnected to reduce risk of electrical shock.
5. Remove all interface cables.
6. Remove the switch’s lid.
The switch may need to be removed from any rack mounting system
before its lid can be removed.
Using a posidrive screwdriver, remove the 12 screws that secure the
switch’s lid. There are 5 screws located in countersunk holes on each side
of the lid, and 2 screws at the rear.
7. Prepare the DIMMs.
In an antistatic environment, remove the DIMM from its packing material.
Be sure to observe ESD precautions.