Juniper Networks ERX Hardware 8 - Manual (Page 54)

ERX 8.0.x Hardware Guide
Figure 16: Orientation of Line Modules in ERX Routers
ERX-310 router
ERX-7xx model
ERX-14xx model
g013742
For details about available line modules and compatibility between line
modules and SRP modules, see the ERX Module Guide.
Slot Groups
The slots in the ERX-1410 router and ERX-7xx models are divided into groups. The
number of groups and number of slots per group depend on the system.
There are no slot groups in the ERX-1440 router or the ERX-310 router.
In the ERX-310 router, slot 0 contains the SRP module and slots 1
and 2 each contain a line module.
Slot Groups for the ERX-1410 Router
A slot group in the ERX-1410 router comprises three adjacent chassis slots. The
groups for the ERX-1410 router consist of the following slots (Figure 17):
Slot group 1—Slots 0 through 2
Slot group 2—Slots 3 through 5
Slot group 3—Slots 8 through 10
Slot group 4—Slots 11 through 13
Slots 6 and 7 are reserved for the SRP modules.
36 Overview