
Chapter 2 Installing the Cisco MDS 9500 Series
System Grounding
Se n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a ck - d o c @ c i s c o . c o m .
–Never attempt to remove the printed circuit board from the metal carrier.
Caution For safety reasons, check the resistance value of the antistatic strap periodically. The measurement should be between 1 and 10 megohm (Mohm).
Establishing the System Ground
This section describes how to connect a system ground to the MDS 9500 series switches.
Note This system ground is also referred to as the network equipment building system (NEBS) ground.
You must use the system (NEBS) ground on both AC- and
The system (NEBS) ground provides additional grounding for EMI shielding requirements and grounding for the
•You must install the system (NEBS) ground connection with any other rack or system power ground connections that you make. The system ground connection is required if this equipment is installed in a U.S. or European Central Office.
•You must connect both the system (NEBS) ground connection and the power supply ground connection to an earth ground. The system (NEBS) ground connection is required if this equipment is installed in a U.S. or European Central Office.
•For MDS 9500 series chassis that are equipped with
Note The system (NEBS) ground serves as the primary safety ground for the MDS 9500 series chassis that are equipped with
Required Tools and Equipment
To connect the ground system, you need the following tools and materials:
•Grounding
•Grounding
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