Juniper Networks E-Series - Manual (Page 62)

CHAPTER 5
Installing Modules 5-2
Figure 5-1 Orientation of line modules in E-series routers
For details about available line modules, see Chapter 12, Module
Specifications . For information about compatibility between lines
modules and SRP modules, see Table 12-2 in Chapter 12, Module
Specifications .
Slot Groups
The slots in the ERX-1410 router and the 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
contain a line module.
ERX-310 router
ERX-7xx model
ERX-14xx model
g013742