Upgrading NVS Cards on SRP Modules ! 85
Chapter 9: Maintaining E-series Routers
Upgrading a System That Contains One SRP Module
If the system contains only one SRP module, you must power down the system
before you upgrade the NVS card. To upgrade the NVS card on a system that
contains one SRP module:
1. Enter the halt command.
See JUNOSe System Basics Configuration Guide, Chapter 5, Managing Line
Modules and SRP Modules for information about the halt command.
2. Connect the antistatic wrist strap to the ESD grounding jack on the E-series
router.
3. Power down the system.
4. Remove the SRP module.
5. Replace the NVS card on the SRP module (see Replacing an NVS Card, later in
this chapter).
6. Power up the system (see Chapter 7, Powering Up E-series Routers).
Upgrading a System That Contains Two SRP Modules
In a system that contains two SRP modules, you can upgrade the NVS cards on the
SRP modules without powering down the system.
CAUTION: If you do not use the halt command before removing or powering down
an SRP module, the system’s NVS card may become corrupted.
WARNING: Do not insert any metal object, such as a screwdriver, or place your
hand into an open slot or the backplane when the E-series router is on. Remove
jewelry (including rings, necklaces, and watches) before working on equipment
that is connected to power lines. These actions prevent electric shock and serious
burns.
CAUTION: When handling modules, use an antistatic wrist strap connected to the
E-series router’s ESD grounding jack. This action helps to protect the module from
damage by electrostatic discharge.
WARNING: Do not insert any metal object, such as a screwdriver, or place your
hand into an open slot or the backplane when the E-series router is on. Remove
jewelry (including rings, necklaces, and watches) before working on equipment
that is connected to power lines. These actions prevent electric shock and serious
burns.
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