Installing The Line Modules; Installing The Redundancy Midplane - Juniper ERX - RELEASE 11.1.X HARDWARE GUIDE 03-23-2010 Hardware Manual

NOTE: The ERX310 router does not support line module redundancy.
For line module redundancy to operate, you must install:
For more information, see "Redundancy Features" on page 14.
WARNING: Do not insert any metal object, such as a screwdriver, or place your hand
into an open slot or the backplane when the router is on. Remove jewelry (including
rings, necklaces, and watches) before working on equipment that is connected to
power lines. These actions can prevent electric shock and serious burns.
CAUTION: When handling modules, use an antistatic wrist strap connected to the
router's ESD grounding jack, and hold modules by their edges. Do not touch the
components, pins, leads, or solder connections. These actions help to protect modules
from damage by electrostatic discharge.

Installing the Line Modules

To install the line modules in a redundancy group:
1.
2.

Installing the Redundancy Midplane

To install the redundancy midplane in a redundancy group:
CAUTION: If you do not use the halt command before removing or powering down
an SRP, the system's NVS card can become corrupted.
The line modules, including the spare line module
The redundancy midplane
The I/O modules, including the spare I/O module
Install the spare line module in the lowest-numbered slot of the redundancy
group.
Install the other line modules in the remaining slots. (See "Installing Line and
I/O Modules" on page 40.)
Installing Components for Line Module Redundancy
Chapter 4: Installing Modules
43