Janus PNB-2PC User Manual

Problem: Phone dials out but has broken communication
Possible Cause:
• Check if voice prompt message is being stopped
• Check if there is loud background noise in cab
• Check location of microphone
• Check mounting of unit
• Hold unit in hand and test
• Try adjusting the speaker and microphone volumes
• Check mounting of the unit. If a COP mount, remove from the COP
and re-test. If a box style, remove from the back-box and re-test.
• Check to see if person answering call is using a headset as they
could cause problems
Problem: Phone rings busy
Possible Cause:
• Check if other devices are on the line
• Check where phone line is properly connected to the unit
• Check voltage on phone line
• Check polarity on phone line
• Make sure unit is off
• Remove our unit from the line to see if line is still busy
Problem: Phone does not ring
Possible Cause:
• Check phone line connection
• Check ring voltage (min. 40VAC RMS)
• Check phone line ringing with a touch-tone phone (use the black
jack on P.C board)
Problem: Phone turns ʻONʼ by itself
Possible Cause:
• Check phone line on-hook DC voltage. Voltage should be
steady 24-52VDC.
• Check phone line on-hook AC voltage. Voltage should be
less than 1VAC.
• Check push-button. Button should be a normally open dry contact.
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Janus PNB-2PC Specifications

General

Brand	Janus
Model	PNB-2PC
Category	Telephone
Language	English