Chapter 2 Tropos Routers Installation Guide, Models 6410 and 6420 34Grounding the RouterCautionYou must install an external grounding wire if the router is installed on a non-metal pole or if themetal installation structure is not properly grounded. You must also ground the outdoor dataprotection device to a bonded pipe or ground rod. Make sure that grounding is complete beforeyou connect power to the router.The grounding arrangement for the router is shown in Figure 12.FIGURE 12 Grounding ArrangementGround the router1. Insert the grounding screw into the grounding screw hole on the bottom of the router.2. Connect a length of #10 AWG bare copper wire to the grounding screw and tighten.3. Connect the other end of the grounding wire to a grounding strap that is attached to agrounded surface or other earth ground, such as a grounding rod.10 AWG wireto groundGrounding strapon pipe or grounding rodGroundingscrew