Figure 3: MX10008 Chassis Internal Components
2—1— Switch fabric boards (SFBs)Fan tray controllers
See “MX10008 Chassis Physical Specifications” on page 36 and “Field-Replaceable Units in an MX10008”
on page 38.
MX10008 Routing and Control Board
The Routing and Control board (RCB) (see Figure 4 on page 26) contains a Routing Engine and is responsible
for the system management and control in the MX10008. See “MX10008 Routing and Control Board
Description” on page 77. RCBs are FRUs that are installed in the front of the chassis in the slots labeled
CB0 and CB1. The base configuration has a single RCB while the fully redundant configuration has two
RCBs. The RCB also contains Precision Time Protocol ports and two Media Access Control Security
(MACsec) capable ports (see “MX10008 Components and Configurations” on page 31).
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