Juniper MX960 Hardware Manual page 187

Figure 43: SCBE-MX
SCBE-MX
Table 74 on page 165 lists the maximum number of SCBE-MXs you can install in the MX chassis, the
corresponding slot labels, and the backup slot used for redundancy. If any slots are empty, you must install
a blank panel.
Table 74: SCBE-MX Specifications
Chassis
MX960
MX480
MX240
Maximum SCBE-MXs
3
2
2
Slot Labels
0, 1, and 2
0 and 1
0 and 1
165
Backup Slot
2
1
1