25
Figure 3: MX10008 Chassis Internal Components
1
1
2
1
Fan tray controllers
2
Switch fabric boards (SFBs)
—
—
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).