• Never assume that power is disconnected from a circuit. Always check.
• Never open the enclosure of the router’s internal power supply.
• If an electrical accident occurs, proceed as follows:
• Use caution; do not become a victim yourself.
• Turn off power to the device.
• If possible, send another person to get medical aid. Otherwise, assess the victim’s condition and
then call for help.
• Determine if the person needs rescue breathing or external cardiac compressions; then take appropriate
action.
This unit might have more than one power supply connection. All connections must be removed to
de-energize the unit.
Statement 1028
Warning
Do not work on the system or connect or disconnect cables during periods of lightning activity.
Statement
1001
Warning
Read the installation instructions before connecting the system to the power source.
Statement 1004
Warning
Preventing Electrostatic Discharge Damage
Electrostatic discharge (ESD) can damage equipment and impair electrical circuitry. It can occur if electronic
printed circuit cards are improperly handled and can cause complete or intermittent failures. Always follow
ESD prevention procedures when removing and replacing modules:
• Ensure that the router chassis is electrically connected to earth ground.
• Wear an ESD-preventive wrist strap, ensuring that it makes good skin contact. Connect the clip to an
unpainted surface of the chassis frame to channel unwanted ESD voltages safely to ground. To guard
against ESD damage and shocks, the wrist strap and cord must operate effectively.
• If no wrist strap is available, ground yourself by touching a metal part of the chassis.
For the safety of your equipment, periodically check the resistance value of the antistatic strap. It should be
between 1 and 10 megohms (Mohm).
Caution
General Site Requirements
This section describes the requirements your site must meet for safe installation and operation of your router.
Ensure that the site is properly prepared before beginning installation. If you are experiencing shutdowns or
unusually high errors with your existing equipment, this section can also help you isolate the cause of failures
and prevent future problems.
Cisco Catalyst IR8340 Rugged Series Router Hardware Installation Guide
16
Preparing for Router Installation
Preventing Electrostatic Discharge Damage