5 Snap as many Z601A adapters as you need into the boxes, filling the boxes from top to bottom.

If one of the jacks on the adapter has a black dot on it, make sure that the jack with the black dot faces to the right.

If you are using cutdown-to-modjack adapters, make sure the jacks on the adapters face to the right.

FIGURE 39 Attaching jack boxes to create a jack field.

Running the Cables

Follow these steps to run cables from the jack field to your voice terminal locations (Figure 40).

CAUTION: Do not run cables inside or on top of air plenums or ducts, along hot pipes, or across walkways. If you use staples, be careful not to pierce the cable.

1On your floor plan, assign a wiring run number (1, 2, 3, etc.) to each voice terminal location. Rough in the cables between the jack field and voice terminal locations, allowing enough room for slack. We recommend marking each end with the wiring run number.

2Write the voice terminal location on each wiring run label (for example,

1 Reception, 2 Sales, 3 Shop). Attach the label for the wiring runs in consecutive order to the inside of the right door of the box labeled

16, beginning at the top. Label the remaining wiring runs and wiring boxes in the same way until there is a label assigning a wiring run to each jack in the jack field.

3Insert the Z601A adapters into the apparatus boxes.

4Plug the cables into the Z601A adapter next to the appropriate label for the wiring run in the jack field.

Your jack field is now complete. Now install the wall jacks at the voice terminal locations and make sure the wiring is neat and secure.

48Jack Field Wiring Supplement

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3Com RELEASE 2 installation manual Jack Field Wiring Supplement