Juniper ERX - RELEASE 11.1.X HARDWARE GUIDE 03-23-2010 Hardware Manual page 26

ERX 11.1.x Hardware Guide
configuration storage, and other control plane functions. Each SRP module is a
PowerPC-based system with its own memory, nonvolatile disk storage, and power
supply. (See Figure 9 on page 10 and Figure 10 on page 11.)
Figure 9: SRP Module for ERX7xx and ERX14xx Models
10
ERX Modules