Router User Manual

ERX 8.0.x Hardware Guide
Figure 22: Installing a Redundancy Midplane
Redundancy
midplane
g013748
Install
ing the I/O Mo dules
To insta
ll the I/O module s in a redundancy group:
1. Install
the redundancy I/O module in the lowest-numbered slot of the
redundancy group.
CAUTION: W hen setting up a redundancy group with line modules, be sure to install
the redundancy I/O module in the lowest-numbered slot of the redundancy group.
It is po
ssible to install the redundancy I/O module in other slots; however, doing so
can damage other I/O mo dules connected to the redundancy midplane.
2. Instal
l the corresponding I/O module for the line modu le of ea ch slo t in the
redundancy group. (See “Installing a Line Module or an I/O Module” on
page 44.)
3. Cable each module to provide a path to the remote interface. (See “Cabling
ERX Routers” on page 53.)
50 Installing Com ponents for Line Module Redundancy