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Cisco Integrated Services Router Hardware Installation Guide
Chapter 2 Installing the Router
Installing the Cisco 860, 880, 890 ISR
Installing the Router Ground Connection
The router must be connected to a reliable earth ground. Install the ground wire in accordance with local
electrical safety standards.
• For NEC-compliant grounding, use size 14 AWG (2 mm
2
) or larger copper wire and a ring terminal
with an inner diameter of 1/4 in. (5 to 7 mm).
• For EN/IEC 60950–compliant grounding, use size 18 AWG (1 mm
2
) or larger copper wire.
To install the ground connection, follow these steps:
Step 1 Strip one end of the ground wire to the length required for the ground lug or terminal.
Step 2 Crimp the ground wire to the ground lug or ring terminal, using the wire crimper.
Step 3 Attach the ground lug or ring terminal to the chassis, as shown in Figure 2-39. For a ground lug, use the
two provided screws with captive locking washers. For a ring terminal, use one of the screws provided.
Tighten the screws to a torque of 8 to 10 in-lb (0.9 to 1.1 N-m).
Figure 2-39 Chassis Ground Connection Using Ring Terminal
Step 4
Connect the other end of the ground wire to a known reliable earth ground point at your site.
After you install and properly ground the router, you can connect the power wiring, the WAN and LAN
cables, and the cables for administrative access as required for your installation.
Installing the FIPS Cover
To install the FIPS cover in the router, perform these steps:
1 Ring terminal
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