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3. Insert the USB storage device into the USB port. If the USB storage device does
not easily slide into the port, it might not be oriented correctly. Turn the USB
storage device upside-down and try again.
4.
To configure the USB storage device with the request system snapshot command,
see the J-series Services Router Administration Guide.
Replacing DRAM Modules
The DRAM installed on the Routing Engine provides storage for the routing and
forwarding tables and for other Routing Engine processes. The design of the Routing
Engine allows you to modify the DRAM configuration by adding DRAM modules to
the system board, or removing DRAM modules from the board.
The DRAM modules are located on the top of the system board, as shown in
Figure 88 on page 188 and Figure 89 on page 189. Two pairs of slots are available for
installing DRAM modules. Installing DRAM modules in slots away from each other
provides better performance than installing them in two adjacent slots.
NOTE: Use only DRAM modules purchased through Juniper Networks specifically for
your model.
Figure 88: J2320 and J2350 DRAM Location
188 ■ Replacing DRAM Modules
J2320, J2350, J4350, and J6350 Services Router Getting Started Guide