Bizfon 680 用户指南
Appendix A Professional Installation Guide
Bizfon Owner’s Guide
71
The expansion cables connect from the OUT port of one
unit to the IN port of the other. For example, you connect
the cables from the OUT port of Unit 1 to the IN port of
Unit2, from the OUT port of Unit 2 to the IN port of Unit 3,
and so on.
unit to the IN port of the other. For example, you connect
the cables from the OUT port of Unit 1 to the IN port of
Unit2, from the OUT port of Unit 2 to the IN port of Unit 3,
and so on.
Figure 13. Expansion Ports
Completing the Installation
Reinstall the switch cover(s) carefully. Run the cables through
the openings in the sides of the cover(s) as shown in the follow-
ing figure.
the openings in the sides of the cover(s) as shown in the follow-
ing figure.
Figure 14. Run Cables Through Openings in Sides of Cover
Expansion Ports
Connect from OUT to IN.