Editing Primary channel

In [[telecommunications]], the term '''primary channel''' has the following meanings: 

# The [[communication channel]] that is designated as a prime [[transmission (telecommunications)|transmission]] channel and is used as the first choice in restoring [[priority level|priority]] circuits.  
# In a [[communications network]], the channel that has the highest [[data]] rate of all the channels sharing a common [[wiktionary:interface|interface]]. 
# The main [[Television channel]] of several operated by a broadcaster.

A primary channel may support the [[data transfer|transfer]] of [[information]] in one direction only, either direction alternately, or both directions simultaneously.

# On a computer motherboard, it is the first physical connector for an [[Integrated Drive Electronics|IDE]] or [[ATA drive]].
==Sources==
*{{FS1037C MS188}}

[[Category:Network architecture]]


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