Juniper J4350, Getting Started Manual

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Chapter 2
System Overview
The J4350 and J6350 Services Routers have chassis that are similar but with
important differences. J4350 routers have nonredundant power supplies, six slots,
including two enhanced (high-speed) slots, and an optional Crypto Accelerator
Module. J6350 routers have redundant power supplies, six slots, including four
enhanced (high-speed) slots, and a standard Crypto Accelerator Module.
All J-series routers run the JUNOS Internet software.
This chapter contains the following topics:
J4350 and J6350 Services Router Hardware Features on page 9
Software Overview on page 23
J4350 and J6350 Services Router Hardware Features
This section contains the following topics:
Chassis on page 9
Midplane on page 14
Routing Engine on page 14
Front Panel on page 15
J4350 Power System on page 21
J6350 Power System on page 21
Cooling System on page 22
Chassis
The Services Router chassis is a rigid sheet metal structure that houses all
the other router components (see Figure 1 through Figure 6). The chassis
can be installed in many types of racks or cabinets. For information about
acceptable rack types, see “Rack Requirements” on page 72.
J4350 and J6350 Services Router Hardware Features
9