Preventing Electrostatic Discharge Damage; Additional Warnings For Wireless Routers; General Safety Guidelines For Wireless Routers - Cisco CISCO1841 - 1841 Integrated Services Router Hardware Installation Manual

Chapter 2 Preinstallation Requirements
In addition, use the following guidelines when working with any equipment that is disconnected from a
power source, but still connected to telephone wiring or other network cabling:
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Preventing Electrostatic Discharge Damage

Electrostatic discharge (ESD) can damage equipment and impair electrical circuitry. ESD 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:
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For the safety of your equipment, periodically check the resistance value of the antistatic strap. It should
Caution
be between 1 and 10 megohms (Mohm).

Additional Warnings for Wireless Routers

Warning In order to comply with FCC radio frequency (RF) exposure limits, antennas should be located at a
minimum of 7.9 inches (20 cm) or more from the body of all persons. Statement 332
Warning Do not operate your wireless network device near unshielded blasting
environment unless the device has been modified to be especially qualified for such use.
Statement 245B

General Safety Guidelines for Wireless Routers

The following are guidelines for the wireless router models:
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OL-6425-03
Never install telephone wiring during a lightning storm.
Never install telephone jacks in wet locations unless the jack is specifically designed for it.
Never touch uninsulated telephone wires or terminals unless the telephone line is disconnected at
the network interface.
Use caution when installing or modifying telephone lines.
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.
Do not touch or move antenna(s) while the unit is transmitting or receiving.
Do not hold any component containing a radio so that the antenna is very close to or touching any
exposed parts of the body, especially the face or eyes, while transmitting.
The use of wireless devices in hazardous locations is limited to the constraints posed by the local
codes, the national codes, and the safety directors of such environments.
Cisco 1800 Series Integrated Services Routers (Fixed) Hardware Installation Guide
Safety Recommendations
caps or in an explosive
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