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Never assume that power is disconnected from a circuit;

always check.

Never perform any action that creates a potential hazard to people or makes the equipment unsafe.

If an electrical accident occurs, proceed as follows:

Use caution, and do not become a victim yourself.

Switch off power to the router.

If possible, send another person to get medical aid. Otherwise, determine the condition of the
victim, and then call for help.

Determine whether the person needs rescue breathing or external cardiac compressions; then take
appropriate action.

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 network cabling:

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 un-insulated telephone wires or terminals unless the telephone line is disconnected at the
network interface.

When installing or modifying telephone lines, use caution.

Preventing Electrostatic Discharge Damage

Electrostatic Discharge (ESD) can damage equipment and impair electrical circuitry. ESD can occur when
electronic printed circuit cards are improperly handled, and can cause complete or intermittent failures. When
removing and replacing modules, always follow ESD prevention procedures:

Ensure that the router chassis is electrically connected to earth ground.

Wear an ESD-preventive wrist strap, ensuring that it makes good skin contact. To channel unwanted
ESD voltages safely to ground, connect the clip to an unpainted surface of the chassis frame. 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 wrist strap. It
should be between 1 and 10 Mohm.

Caution

Safety Warnings

This section contains important safety warnings for the installation and use of the router.

Translated versions of all safety warnings are available in the safety warnings document that is available on
Cisco.com.

Cisco ASR 901S Series Aggregation Services Router Hardware Installation Guide    

   OL-29732-02

3

Preparing to Install the Router

Preventing Electrostatic Discharge Damage

Summary of Contents for ASR 901S Series

Page 1: ... equipment For safety and compliance information see Table 4 In addition before replacing configuring or maintaining the router review the safety warnings listed in the document Cisco Regulatory Compliance and Safety Information for Cisco ASR 901S Series Aggregation Services Router Safety with Equipment To ensure your safety and protect the equipment follow these guidelines However these guideline...

Page 2: ...s necklaces and watches Metal objects will heat up when connected to power and ground and can cause serious burns or weld the metal object to the terminals Statement 43 Warning Before working on a chassis or working near power supplies unplug the power cord on AC units disconnect the power at the circuit breaker on DC units Statement 12 Warning When working on electrical equipment follow these gui...

Page 3: ...arge Damage Electrostatic Discharge ESD can damage equipment and impair electrical circuitry ESD can occur when electronic printed circuit cards are improperly handled and can cause complete or intermittent failures When removing and replacing modules always follow ESD prevention procedures Ensure that the router chassis is electrically connected to earth ground Wear an ESD preventive wrist strap ...

Page 4: ... only through the use of a special tool lock and key or other means of security Statement 1017 Warning Class 1 laser product Statement 1008 Warning To prevent the system from overheating do not operate it in an area that exceeds the maximum recommended ambient temperature of 149 F 65 C Statement 1047 Warning Prerequisites Before installing the Cisco ASR 901S Series Aggregation Services Router it i...

Page 5: ...ide better radio range than closed or filled areas Always follow ESD prevention procedures described in Preventing Electrostatic Discharge Damage on page 3 to avoid damage to equipment Damage from static discharge can cause immediate or intermittent equipment failure Obstructions Physical obstructions such as buildings trees or hills can hinder performance of wireless devices Avoid locating the de...

Page 6: ...future if you move or ship the router Note Step 3 Ensure that all items listed in Router Package Contents on page 6 are included in the shipment If any item is damaged or missing notify your authorized Cisco sales representative Router Package Contents Your router kit contains the items listed in the following table Description Item Qty Cisco ASR 901S Series Aggregation Services Router For details...

Page 7: ...installation and to provide a historical record of completed tasks and users use the following installation checklist Make a copy of this checklist and mark the entries as you complete each task When the checklist is completed include a copy of the checklist for each router in your site log along with other records for your new router Installation Checklist for Site Router Name Date Verified by Ta...

Page 8: ...n or modem for remote configuration 11 Signal distance limits verified 12 Start up sequence steps completed 13 Initial operation verified 14 Software image verified 15 Cisco ASR 901S Series Aggregation Services Router Hardware Installation Guide 8 OL 29732 02 Preparing to Install the Router Installation Checklist ...

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