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USB Port
The USB ports on the front panel of the router (see Figure 8 on page 19 and
Figure 9 on page 19) accept a USB storage device or USB storage device adapter with
a compact flash installed, as defined in the CompactFlash Specification published by
the CompactFlash Association. When a USB storage device is installed and configured,
it automatically acts as a secondary boot device if the internal compact flash fails on
startup. Depending on the size of the USB storage device, you can also configure it
to receive any core files generated during a failure. For information about configuring
a USB storage device, see the J-series Services Router Administration Guide.
NOTE: For a list of supported USB storage devices, see the J-series Services Router
Release Notes at http://www.juniper.net.
J2320 and J2350 External Compact Flashes
On J2320 and J2350 routers, an external compact flash, also known as removable
compact flash, accepts a type I or II compact flash, as defined in the CompactFlash
Specification published by the CompactFlash Association. The J2320 and J2350 chassis
has a slot on the rear for external compact flashes (see Figure 3 on page 15). When
the external compact flash is installed and configured, it automatically acts as the
secondary boot device if the internal compact flash fails on startup.
Depending on the capacity of the external compact flash, you can also configure it
to receive any core files generated during a failure. For information about configuring
an external compact flash, see the J-series Services Router Administration Guide.
J2320 Power System
The J2320 Services Router uses AC power (see Figure 3 on page 15). The autosensing
power supply distributes the different output voltages to the router components
according to their voltage requirements. The power supply is fixed in the chassis,
and is not field-replaceable.
The AC power supply has a single AC appliance inlet that requires a dedicated AC
power feed.
The J2320 AC-powered chassis has a power switch and does not include a power
LED.
For information about site power preparations, see “Power Guidelines, Requirements,
and Specifications” on page 107. For information about connecting the router to power
and ground, see “Connecting Power” on page 124.
J2350 Power System
The J2350 Services Router uses either AC or DC power. The autosensing power supply
(see Figure 4 on page 15 or Figure 5 on page 16) distributes the different output
voltages to the router components according to their voltage requirements. The
power supply is fixed in the chassis, and is not field-replaceable.
24 ■ J2320 and J2350 Services Router Hardware Features
J2320, J2350, J4350, and J6350 Services Router Getting Started Guide