Cisco IG21R Connecting Manual

Also see for IG21R Series: Installation guide Manual Installing Hardware installation guide

Connecting a Ground Cable• Connecting a Ground Cable, on page 1Connecting a Ground CableIG21R and IG31R gateways must be connected to a reliable earth ground. Install the ground cable in accordancewith local electrical safety standards.For NEC-compliant grounding, use size 16 AWG (1.5 mm^2) or larger copper wire and a ring terminal withan inner diameter of 1/4 in. (6 to 7mm).For EN/IEC 60950-compliant grounding, use size 17 AWG (1 mm^2) or larger copper wire.WARNING: This equipment must be grounded. Never defeat the ground conductor or operate the equipmentin the absence of a suitably installed ground conductor. Contact the appropriate electrical inspection authorityor an electrician if you are uncertain that suitable grounding is available. Statement 1024CAUTION: Cable distribution system should be grounded (earthed) in accordance with ANSI/NFPA 70, theNational Electrical Code (NEC), in particular Section 820.93, Grounding of Outer Conductive Shield of aCoaxial Cable.• Ensure that the ground cable is connected correctly so that the equipment is protected against lightningand other interference. The correct connection of the ground cable is an important measure to ensuresafety.• Connect the chassis to the ground by using a ground cable. The grounding resistance must be smallerthan 0.10 ohms and the gauge of the ground cable must be no less than 18 AWG and the length is 100cm.• Do not remove the ground cable during normal operation or maintenance.To install the ground connection on IG21R or IG31R gateways, follow these steps:1. Disconnect the device from its power source.2. Strip one end of the ground cable to the length required for the terminal.3. Use a Philips head screwdriver to remove the ground connector screw on the gateway.4. Attach the grounding cable ring terminal to the device using the ground cable connector screw.5. Connect the other end of the ground cable to a suitable grounding point.Connecting a Ground Cable1

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