Adtran 3458-poe Manuale Hardware
Unit Installation
NetVanta 3000 Series Hardware Installation Guide
96
Copyright © 2010 ADTRAN, Inc.
61200860L1-34AA
Installing SODIMM for Expandable Memory
The NetVanta 3430 and NetVanta 3448 ship with a 128 MB SODIMM installed and can be upgraded to
provide a maximum of 512 MB of memory. The NetVanta 3450 and NetVanta 3458 are shipped with a
256 MB SODIMM installed and can be upgraded to provide a maximum of 1 GB of memory.
provide a maximum of 512 MB of memory. The NetVanta 3450 and NetVanta 3458 are shipped with a
256 MB SODIMM installed and can be upgraded to provide a maximum of 1 GB of memory.
• SODIMMs are intended to be installed only by qualified service personnel.
• There are three types of SODIMM memory modules used by ADTRAN: 200-pin DDR1,
200-pin DDR2, and 144-pin DDR2. Although these modules look very similar, they are not
interchangeable. Prior to beginning the upgrade process, please refer to
interchangeable. Prior to beginning the upgrade process, please refer to
http://www.adtran.com
to make sure you have purchased the correct upgrade module for
your ADTRAN product.
• Before touching electronic components, make sure you are properly grounded. By wearing
a wrist strap (or using some other type of static control device), you can prevent static
electricity stored on your body or clothing from damaging your installation.
electricity stored on your body or clothing from damaging your installation.
Instructions for Installing SODIMM
Step
Action
1
Remove power from the unit.
2
Remove the screws holding the base unit and the cover together, and, if necessary, the two mounting
brackets.
brackets.
3
Using a 3/16-inch hex driver, remove the two jack screws located on either side of the DB-9 port (if
applicable).
applicable).
4
Carefully lift and remove the unit’s cover to expose the circuit board.
5
) to release the
module. Gently pull the module out of the memory slot.
6
Once you have discharged your static electricity, pick up the SODIMM by its top or sides. Do not touch the
gold contacts at the bottom.
gold contacts at the bottom.
7
Gently insert the module into the memory slot at a slight angle (approximately 30 degrees) as shown in
. Note that the socket and module are both keyed, which means the module can be
installed one way only.
8
To avoid damage, do not use excessive force. To seat the module into the socket, apply firm, even pressure
to each end of the module (see the arrows in
to each end of the module (see the arrows in
) until you feel it slip down into the
socket. If you are having problems getting the module to seat properly, try rocking the module up and down
slightly, while continuing to apply pressure. When properly seated, the contact fingers on the edge of the
module will almost completely disappear inside the socket.
slightly, while continuing to apply pressure. When properly seated, the contact fingers on the edge of the
module will almost completely disappear inside the socket.
9
. Continue pressing downward until the clips at each end of the socket lock into position. With most
sockets, you will hear a distinctive CLICK, indicating the module is correctly locked into position.
10
Replace the unit cover, screws, and mounting brackets.
11
Restore power to the unit.