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Cisco MGX 8800/8900 Series Hardware Installation Guide
Releases 2 - 5.2, Part Number OL-4545-01, Rev. H0, May 2006
Chapter 3 Preparing for Installation
Safety Requirements
Safety Requirements
This section describes safety requirements for the MGX 8850 and MGX 8850/B switch. Before you
install a Cisco MGX switch, ensure that all of the criteria in this section are met.
The following sections are included:
• Safety and Equipment Precautions, page 3-2
• Working Safely with Electricity, page 3-5
• Preventing ESD Damage, page 3-7
• General Card Installation Guidelines, page 3-8
Safety and Equipment Precautions
Before you work on the equipment, be aware of standard safety guidelines and the hazards involved in
working with electrical circuitry. Observe the following guidelines, cautions, and warnings and those
throughout the guide for safe and hazard-free installation:
• Keep the equipment area clear and dust-free during and after installation.
• Keep tools away from walk areas where you and others could fall over them.
• Do not wear loose clothing that could get caught in the chassis. Fasten ties or scarves and roll up
shirt sleeves.
• Do not wear jewelry such as rings, bracelets, or chains that could become caught in the chassis.
• Wear safety glasses if you are working under conditions that might be hazardous to your eyes.
• Do not perform any action that makes the equipment unsafe or creates a potential hazard to yourself
or others.
• Because of high current leakage, you must install an earth ground connection before connecting the
power supply.
Note To see translations of the warnings that appear in this guide, refer to the Regulatory Compliance and
Safety Information for Cisco Multiservice Switch Products (MGX, BPX, and SES) document. It shipped
with your chassis.
Caution Proper ESD protection is required whenever you handle Cisco equipment. Installation and maintenance
personnel should be properly grounded through the use of grounding straps to eliminate the risk of ESD
damage to the equipment. Modules are subject to ESD damage whenever they are removed from
the chassis.
Caution To minimize ESD effects on this equipment and for compliance to GR-1089, optical cables with
non-metallic connector ferrules shall be used.