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The MX2008 router is 24 rack units (U) tall. One router can be installed in an open-frame rack, four-post
rack, or cabinet. The MX2008 router has 10 dedicated line-card slots, which means a maximum of 10
Modular Port Concentrators (MPCs) including adapter cards (ADCs) and Modular Interface Cards (MICs)
can be installed on the MX2008. Up to 2 MICs can be installed in each MPC. Fully populated, the MX2008
router supports up to 20 MICs. The MX2008 host subsystem consists of two RCBs. The RCB is an integrated
board and a single field-replaceable unit (FRU) that provides Routing Engine and Control Board functionality
and supports virtualization. The router contains 8 Switch Fabric Boards (SFBs) that provides 7+1 redundancy.
For a list of the supported MPCs, and MICs, see the
The MX2008 chassis contains nine power supply modules (PSMs) and two power distribution modules
(PDMs) for the power feeds. Each PSM delivers 2500 W of power, and provides 8+1 redundancy. The
two PDMs provide feed redundancy, with each PDM connected to primary and backup feeds separately.
The MX2008 cooling system contains two fan trays, with six fans in each fan tray. The fan trays can be
installed at or removed from the back of the chassis, which allows the space in the front to be used for
cable management. The MX2008 supports temperature thresholds for each temperature sensor, which
enables the router to precisely control the cooling, raise alarms, and shut down a FRU.
The MX2008 router is powered by the Junos Trio chipset and runs the Junos
OS) for high-performance routing and switching. For a list of related Junos OS documentation, see
https://www.juniper.net/documentation/software/junos/.
RELATED DOCUMENTATION
MX2008 Component Redundancy | 34
MX2008 Physical Specifications | 194
MX2008 Chassis Description | 27
MX2008 Host Subsystem Description | 123
MX2008 Craft Interface Description | 43
MX2008 Power System Description | 58
MX2008 Cooling System Description | 54
MX Series Interface Module
Reference.
®
operating system (Junos
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