Installation Procedures

35

Installing the Optional Modules in the Unit

To install an option module in the unit, follow these steps:

CAUTION: Many of the integrated circuits on the modules are sensitive to static electricity. When installing plug-in modules, always wear a properly-grounded anti-static wrist strap.

1Turn off the power and unplug the unit.

2Open the unit.

a Remove the eight screws (three on each side and two in the rear), as shown in Figure 9.

Figure 9 Removing the Eight Screws from the PathBuilder S330/S310 Unit

bPush the cover back (arrow 1) and lift it up from the rear (arrow 2), as shown in Figure 10.

Figure 10 Removing the PathBuilder S330/S310 Cover

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3Com manual Installing the Optional Modules in the Unit, Removing the PathBuilder S330/S310 Cover