Chapter 4
Servicing the Device
This chapter describes service and maintenance procedures for an SSG 20 device. It contains the following sections:
“Required Tools and Parts” on this page
“Replacing a
“Upgrading Memory” on page 54
NOTE: For safety warnings and instructions, refer to the Juniper Networks Security Products Safety Guide. The instructions in the guide warn you about situations that could cause bodily injury. Before working on any equipment, you should be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents.
Required Tools and Parts
To replace a component on an SSG 20 device, you need the following tools and parts:
Electrostatic bag or antistatic mat
Electrostatic discharge (ESD) grounding wrist strap
Phillips screwdriver,
Replacing a Mini-Physical Interface Module
Both SSG 20 models have two slots in the front panel for wide area network mini physical interface modules (WAN mini PIMs). Mini PIMs in an SSG 20 device can be installed and replaced. The device must be powered off before you can remove or install a mini PIM.
CAUTION: Make sure the power is off to the device when removing a mini PIM.
They are not
Required Tools and Parts 51
