3-15
Cisco 2600 Series Routers Hardware Installation Guide
OL-2171-02
Chapter 3 Installing the Router
Grounding the Chassis
Figure 3-20 DC-Input Power Supply Connections
Step 5
Tighten the three screws to secure the power leads in the terminal block. (See
Figure 3-20
.)
Caution
Do not overtorque the terminal block captive thumbscrew or terminal block contact screws. The
recommended torque is 8.2
±
0.4 in.-lb.
Step 6
After wiring the DC power supply, remove the tape from the circuit breaker switch handle and reinstate
power by moving the handle of the circuit breaker to the ON position.
Grounding the Chassis
Warning
Units must have a permanent ground connection in addition to the power ground wire. A grounding
lug must be installed to ensure proper electrical protection.
Follow this procedure to attach the grounding lug to your router chassis:
Step 1
Turn OFF power to the router. Remove all network interface cables, including telephone cables, from
the rear panel.
The following warning applies to routers that use a DC power supply:
31364
+
–
+
–
Tighten screws
Ground
Negative
Positive
