T4000 Midplane Description; Figure 7: Rear View Of Router Chassis; Appendix B T4000 Router Physical Specifications - Juniper T4000 Hardware Manual

T4000 Router Hardware Guide
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T4000 Midplane Description

18

Figure 7: Rear View of Router Chassis

Fan tray
Air exhaust
SCGs
Control board 0
RE 0
RE 1
Control board 1
SIBs
Air filter
Power supply 0
Power supply 1
ESD point
Grounding points
T4000 Router Description on page 3
T4000 Router Physical Specifications on page 331
T4000 Component Serial Number Locations on page 358
The midplane is located in the center of the chassis and forms the rear of the FPC card
cage (see Figure 8 on page
chassis, and the SIBs, Routing Engines, and control boards and SCGs install into the
midplane from the rear of the chassis. The power supplies and cooling system components
also connect to the midplane.
The midplane performs the following major functions:
19). The FPCs install into the midplane from the front of the
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