Specifications

32 AT-8900 Series Switch
C613-03075-00 REV A
Dual In-line Memory Modules (DIMMs)
Synchronous DRAM for AT-8900 Series switches is provided by a single
DIMM.
The following DIMM have been approved for use with the AT-8900 Series
switch:
■ AT-SD128A-00 128MB SDRAM (installed at factory)
■ AT-SD256A-00 256MB SDRAM (upgrade)
■ AT-SD512A-00 512MB SDRAM (upgrade)
Only Allied Telesyn supplied DIMMS have been tested and approved for use
with AT-8900 Series switches. Using DIMM that has not been approved may
cause unreliable operation and will invalidate the switch’s warranty.
To check how much DIMM is installed, enter
SHOW SWITCH
For information on installing DIMM, see “Restricted Procedures” on page 32.
Restricted Procedures
This section contains procedures that should only be performed by authorised
service personnel. Unauthorised use of procedures in this section may cause
danger of injury from electric shock, damage to the switch, and invalidation of
the product warranty.
If you would like to know more about the procedures outlined in this section,
please contact your authorised Allied Telesyn distributor or reseller.
Lithium Battery
The lithium battery should only be changed by authorised service personnel.
There is a danger of explosion if the battery incorrectly replaced. Replace only
with the same or equivalent type recommended by the manufacturer. Dispose of
used batteries according to the manufacturer's instructions.
Installing DIMM
AT-8900 Series switches have one DIMM slot. The slot can be populated with
either a 128 MByte DIMM, 256 MByte DIMM, or 512 MByte DIMM.
Only Allied Telesyn supplied DIMMS have been tested and approved for use
with AT-8900 Series switches. Using DIMM that has not been approved may
cause unreliable operation and will invalidate the switch’s warranty.