Mx Scbe Slots; Mx Scbe Redundancy; Mx Scbe Components; Figure 39: Mx Scbe - Juniper MX960 Hardware Manual

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MX SCBE Slots

You can install up to three MX SCBEs. The MX SCBEs install vertically into the front of

the chassis in the slots labeled

If three MX SCBEs are installed, the third MX SCBE functions as the backup.

Each MX SCBE consists of the following components:

I2C bus logic, used for low-level communication with each component

Component redundancy circuitry

Control Board/Routing Engine mastership mechanism

Gigabit Ethernet switch that is connected to the embedded CPU complex on all

External clock interface—Allows BITS or GPS clock source input to the centralized

timing circuit, or allows centralized timing to be output to BITS or GPS

Chapter 8: Switch Fabric Components and Descriptions

. If any slots are empty, you must install a blank

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