You can order the MX10004 with dierent SFB conguraons that enable you to grow your system as
needed. See "MX10004 Components and Conguraons" on page 11.
Figure 4: JNP10004-SF2 Switch Fabric Board
Roung
and Control Board
The Roung and Control Board (RCB) contains a Roung Engine and is responsible for system
management and system control in the MX10004. See "MX10004 Roung and Control Board
Components and Descripons" on page 56. RCBs are eld-replaceable units (FRUs) that you install in
the front of the chassis in the slots labeled CB0 and CB1.
The supported models of RCB for JNP10004-SF2 fabric systems are as follows:
• JNP10K-RE1, 64 gigabytes of memory
• JNP10K-RE1-LT, 64 gigabytes of memory
• JNP10K-RE1-128, 128 gigabytes of memory
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