att door phone controller 사용자 설명서
Appendix C—Specifications
Electrical
Standards
The Door Answer Controller meets:
■
U.L. listing requirements
■
F.C.C. part 15, class B requirements
■
F.C.C. part 68 requirements
Electrostatic Discharge
Your AT&T Door Phone Controller complies with the ESD
requirements in BELL Pub 48002.
requirements in BELL Pub 48002.
All user accessible connectors and controls have electrostatic
discharge protection.
Power Supply
The AT&T Door Phone Controller is powered by an UL listed
wall mount transformer with a strain relieved cord.
It functions over an input power range of 96 VAC to 129 VAC.
Your AT&T Door Phone Controller has a green LED power
indicator.
■
■
■
A flashing state of 2.5 per second indicates normal power to
the unit and normal microprocessor operation.
the unit and normal microprocessor operation.
A constant ON state indicates a brown-out condition or
microprocessor failure.
microprocessor failure.
A constant OFF state indicates there is no power to the unit.
Page and Talk-Back
Paging output power is 2 watts (continuous) @ 3.35 Vrms (sine
Amplifier
wave). Talk-back input sensitivity:
speaker leads, tip and ring output
Auxiliary Alert
Relay Contact Closures rated at 1
Door Latch Contacts
Relay Contact Closures rated at 2
with 600 microVrms at the
level will be -17 dBm.
amp.
amps.
Specifications C-1