11
Specifications
Input Connections:
One shielded twisted pair communication cable
(shield should be grounded at the controller only).
Phone Line Requirements:
Standard (analog) loop start voice grade
touch tone telephone line, PBX, or key system station Analog telephone
line.
Optional AC Adapter:
9 - 24VDC / 12VAC @ min. 200mA
Power Required:
on-hook 0 ma
Power Required:
off-hook 20 to 30 ma
Phone Line Voltage:
on-hook 24 to 70VDC (nominally 48VDC)
Phone Line Voltage:
off-hook 8 to 20VDC (nominally 14VDC)
Ring Sensitivity:
40 - 120VAC RMS
Dialing:
DTMF (Dual Tone Multi Frequency)
Frequency Response:
550Hz - 3400Hz, +/- 3db.
Operational Loop impedance:
600 ohms
FCC Registration:
US: NLFTE05B25668
Ringer Equivalency Number:
0.5B
Summary of Contents for PBX
Page 4: ...PC Board Diagram 4 ...
