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Step 3: Ground the ACX2000 and ACX2100 Router

You must ground the router before connecting power.

Tools Required to Ground the ACX Router

To ground the router, you need the following tools:

  • Phillips (+) screwdriver, number 2

  • ESD grounding wrist strap

  • Two SAE 10-32 screws and paint piercing washers (not provided)

  • Grounding lug, Panduit LCD06-10A or equivalent (not provided)

  • Grounding cable, minimum 6 AWG (13.3 mm2) 90° C wire (not provided)

Connect the Grounding Cable

You ground the router by connecting a grounding cable to earth ground and then attaching it to the chassis grounding points. To ground the router:

  1. Verify that a licensed electrician has attached the cable lug, which is provided with the router, to the grounding cable.
  2. Attach an ESD grounding strap to your bare wrist, and connect the other end of the strap to an approved site ESD grounding point. See the instructions for your site.
  3. Ensure that all grounding surfaces are clean and brought to a bright finish before you make grounding connections.
  4. Connect the grounding cable to a proper earth ground.
  5. Detach the ESD grounding strap from the site ESD grounding point.
  6. Attach an ESD grounding strap to your bare wrist, and connect the other end of the strap to an ESD grounding point.
  7. Place the grounding cable lug over the grounding points on the front of the chassis (see Figure 1).
  8. Secure the grounding cable lug with the washers and screws. The holes are sized for SAE 10-32 screws. Apply 4.34 lb-in (0.49 Nm) of torque to each screw. Do not overtighten the screw. (Use a number 2 Phillips screwdriver.)
    CAUTION:

    Ensure that each grounding cable lug seats flush against the surface of the grounding points as you are tightening the screws. Ensure that each screw is properly threaded into the grounding points. Applying installation torque to the screw when improperly threaded may result in damage to the terminal.

    CAUTION:

    The maximum torque rating of the grounding screws on the router is 4.34 lb-in (0.49 Nm). The grounding screws may be damaged if excessive torque is applied. Use only a torque-controlled driver to tighten screws. Use an appropriately sized driver, with a maximum torque capacity of 5 lb-in. or less. Ensure that the driver is undamaged and properly calibrated and that you have been trained in its use. You may wish to use a driver that is designed to prevent overtorque when the preset torque level is achieved.

  9. Dress the grounding cable, and verify that it does not touch or block access to router components, and that it does not drape where people could trip on it.
Figure 1: Grounding Points on the RouterGrounding Points on the Router
  1
—

Grounding lug

  2
—

SAE 10-32 screw and washer