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Partyline: IF4-B-4 front panel / rear panel controls

Partyline: IF4-B-4 front panel / rear panel controls

Apr 06, 2019

Question:  How do I connect an ASSY-710243 IF4-B-4 interface unit?
Answer: The IF4-B-4 interface allows the user to convert unbalanced 2-wire party line intercom into balanced 4-wire audio for use in Matrix intercom applications, camera CCUs, TELCO lines etc. 
IF4-B-4 Front Panel controls:






RCVR - adjusts level of incoming 4-wire audio
XMT - adjusts level of out going 4-wire audio
IC LED - lights when connection to rear panel powered intercom is detected
NULL CONTROL - adjusts null on intercom line
DIP SWITCHES -  sets up parameters on intercom line
3.5mm CONNECTOR - allows user to monitor nulling level

IF4-B-4 Rear Panel controls







3-Pin XLR - for connection of 2-wire unbalanced Clear-Com intercom line
TERMINAL BLOCK - for connection of 4-wire balanced audio
For more detailed information on setting up an IF4-B-4 interface see the attached user manual below. 

  File Modified

PDF File manual_if4.pdf manual_if4.pdf

Apr 06, 2019 by Administrator

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