Title 47-Telecommunication

APPENDIX A-11

IN THE NORMAL MODE, CONDUCTORS 1 TO 4 AND 5 TO 8 IN THE JACK ARE BRIDGED. WHEN A
MINIATURE 8 POSITION PLUG IS INSERTED INTO THE JACK, THE BRIDGE IS LIFTED OFF
THESE CONDUCTORS AND A SERIES CONNECTION CAN SE MADE IN BOTH SIDES OF THE LINE.

APPENDIX A-16