Scb Slots; Scb Redundancy - Juniper MX240 Hardware Manual

MX240 Ethernet Services Router Hardware Guide
Figure 8: SCB

SCB Slots

You can install one or two SCBs. The SCBs install horizontally into the front of the
chassis in the slots labeled
SCB1 or DPC0). If any slots are empty, you must install a blank panel.

SCB Redundancy

If two SCBs are installed, one SCB functions as the master SCB and the other as its
backup. If the master fails or is removed, the backup becomes the master.
12
Host Subsystem
0 and 1/0 (the multifunction slot 1/0 can contain either