Installing Chassis Ground Connection; Cisco 3620 And Cisco 3640 Chassis Ground Connection; Power System - Cisco Router 3600 Hardware Installation Manual

Chapter 3 Installing the Router

Installing Chassis Ground Connection

All Cisco 3600 series router chassis require a reliable earth ground connection. You must connect the
chassis to a reliable earth ground; the ground wire must be installed in accordance with local electrical
safety standards.
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For chassis grounding instruction, see one of the following sections:
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Cisco 3620 and Cisco 3640 Chassis Ground Connection

To connect a Cisco 3620 or Cisco 3640 chassis to ground, perform this procedure:
Attach the ground-lug bracket to the power supply as shown in
Step 1
number 2 Phillips screwdriver and the screw or screws that are already in the router chassis.
For Cisco 3620 routers, use the power-supply retaining screw at the bottom of the power supply.
For Cisco 3640 routers, use the two power-supply retaining screws: one at the lower left and one at the
upper right.
DC power supply is shown. The bracket attachment for the AC power supply and the Cisco Redundant
Power System (RPS) is similar.
Figure 3-31 Required Ground-Lug Bracket Attachment on a Cisco 3620 Router (DC Power Supply
OL-2056-05
For NEBS-compliant grounding, use size AWG 6 (13 mm
accessory kit.
For NEC-compliant grounding, use size AWG 14 (2 mm
user-supplied ring terminal.
For EN/IEC 60950-compliant grounding, use size AWG 18 (1 mm
appropriate user-supplied ring terminal.
Cisco 3620 and Cisco 3640 Chassis Ground Connection, page 3-19
Cisco 3631 Chassis Ground Connection, page 3-24
Cisco 3660 Chassis Ground Connection, page 3-25
Shown)
Bracket
2
) wire and the ground lug provided in the
2
) or larger wire and an appropriate
Figure 3-31
Power
supply
Cisco 3600 Series Routers Hardware Installation Guide
Installing Chassis Ground Connection
2
) or larger wire and an
or Figure 3-32. Use a
3-19