Cisco 7206VXR Installation Guide - Page 90
Warning, Step 1, Stripping the DC-Input Leads
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Connecting Power Chapter 3 Installing the Cisco 7206 Warning Before completing any of the following steps, and to prevent short-circuit or shock hazards, ensure that power is removed from the DC circuit. To ensure that all power is OFF, locate the circuit breaker on the panel board that services the DC circuit, switch the circuit breaker to the OFF position, and tape the switch handle of the circuit breaker in the OFF position. Warning When you install the unit, the ground connection must always be made first and disconnected last. Step 1 Step 2 Ensure that no current is flowing through the DC power supply leads. To ensure that all power is OFF, locate the circuit breaker on the panel board that services the DC circuit, switch the circuit breaker to the OFF position, and tape the switch handle of the circuit breaker in the OFF position. Using a wire stripper, strip approximately 0.55 inch (14 mm) from the -V, +V, and ground leads (refer to Figure 3-22). Figure 3-22 Stripping the DC-Input Leads 0.55 in. (14 mm) H8624 Step 3 Step 4 At the rear of the router, check that the power switch on the power supply is in the off (O) position (refer to Figure 3-23). Insert the stripped end of the ground lead all the way into the ground lead receptacle on the DC-input power supply and tighten the receptacle screw using a 3/16-inch flat-blade screwdriver (refer to Figure 3-23). 3-22 Cisco 7206 Installation and Configuration Guide OL-5102-02