Intermediate Distribution Frame

Intermediate distribution frame (IDF): In a central office or customer premises, a frame that (a) cross-connects the user cable media to individual user line circuits and (b) may serve as a distribution point for multipair cables from the main distribution frame (MDF) or combined distribution frame (CDF) to individual cables connected to equipment in areas remote from these frames.

 

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image antenna
image frequency
image rejection ratio
improved definition television
independent clocks
index matching material
index of cooperation
inductive coupling
information bearer channel
information system
information transfer transaction
input
insertion gain
insertion loss
inside plant
intelligent network
intensity modulation
intercept
interchangeability
interchange circuit
intercharacter interval
interconnect facility
interface
interface functionality
interface standard
interference filter
intermediate field region
intermodulation distortion
internal memory
internet protocol spoofing
interoperability
interposition trunk
intersymbol interference
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ionospheric reflection
ionospheric sounding
isochronous
isochronous burst transmission
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jerkiness
jitter
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