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Chapter 2
System Overv
iew
The J4350 and J6350 Servic es Routers have chassis that are similar but with
important differences. J4350 routers have nonredundant power supplies, six slots,
including t
wo enhanced (high-speed) slots, and an optional Crypto Acc elerator
Module. J6350 routers have redundant power supplies, six slots, inclu din g 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 Serv ices Router Hardware Features on page 9
Software Ov
erview on pag e 23
J4350 and J6350 Services Router Hardware Features
This section contains the following topics:
Chassis on page 9
Midplane o
npage14
Routing Engine on page 14
Front Panel on page 15
J4350 Powe
rSystemonpage21
J6350 Power System on page 21
CoolingSystemonpage22
Chassis
The Servic
es Router chassis is a rigid sheet metal structu re that houses all
the other router components (see Figure 1 through Figure 6). The chassis
can be i nstalled in many types of racks or cabinets. For information abo ut
acceptab
le rack ty pes, see “Rack Requirements” on page 7 2 .
J4350 and J6350 Services Router Hardware Features 9
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