Installing A Dimm - Cisco XR 12000 Series Installation Manual

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Caution Handle the edges of the DIMM only. Do not touch the integrated circuit devices on the DIMM, the metal
traces, or fingers, along the edge of the DIMM, or the pins in the DIMM socket.
As one end of the DIMM is released, grasp the top corners of the DIMM with the thumb and forefinger
Step 5
of each hand and pull the DIMM completely out of its socket.
Immediately place the DIMM in an antistatic bag to protect it from ESD damage.
Step 6
Repeat
Step 7

Installing a DIMM

This section contains instructions for installing DIMM memory into a line card.
If you are upgrading packet memory, both DIMM sockets of a given pair (either the transmit buffer or
Note
the receive buffer) must be populated with a DIMM of the same type and size.
To install DIMMs in a line card, follow these steps:
Attach an ESD-preventive wrist or ankle strap and follow its instructions for use.
Step 1
Place the line card on an antistatic mat so that the faceplate is nearest to you.
Step 2
To prevent router and memory problems, all DIMMs installed in the line card must be 3.3V devices.
Caution
Remove the new DIMM from its protective antistatic bag.
Step 3
Grasp the edges of the DIMM only. Do not touch the integrated circuit devices on the DIMM, the metal
Step 4
traces, or fingers, along the edge of the DIMM, or the pins in the DIMM socket. (See
To position the DIMM for insertion, orient it at the same angle as the DIMM socket. The two notches
Step 5
(keys) on the bottom edge of the module ensure that the DIMM edge connector is registered properly in
the socket. (See
If necessary, rock the DIMM back and forth gently to align it in the socket.
OL-7861-01
For a socket with dual release levers (see
the DIMM.
or
For a socket with a single release lever (see
Step 4 through Step 6 for any remaining DIMMs that you want to remove.
Figure 50.)
Figure 48), pull down both levers at the same time to eject
Figure 49), pull the lever to eject the DIMM.
Cisco XR 12000 Series Router Ethernet Line Card Installation
Line Card Memory
Figure 50.)
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