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Connecting the T640 Grounding Cable


You ground the T640 router by attaching a grounding cable to the grounding points on the chassis. You must provide the grounding cable (the cable lugs are supplied with the router). For grounding cable specifications, see T640 Chassis Grounding Cable and Lug Specifications.

  1. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to an approved site ESD grounding point. See the instructions for your site.
  2. Make sure that grounding surfaces are clean and brought to a bright finish before grounding connections are made.
  3. Connect the grounding cable to a proper earth ground.
  4. Verify that a licensed electrician has attached the cable lug provided with the router to the grounding cable.
  5. Place the grounding cable lug over the grounding The left pair is sized for M6 bolts, and the right pair is sized for UNC 1/4-20 bolts.
  6. Secure the grounding cable lug to the grounding points, first with the washers, then with the screws.
  7. Verify that the grounding cabling is correct, that the grounding cable does not touch or block access to router components, and that it does not drape where people could trip on it.