Primary channel

Primary channel

In telecommunication, the term primary channel has the following meanings:

# The channel that is designated as a prime transmission channel and is used as the first choice in restoring priority circuits.
# In a communications network, the channel that has the highest data rate of all the channels sharing a common .

"Note:" A primary channel may support the transfer of information in one direction only, either direction alternately, or both directions simultaneously.

ources

*Federal Standard 1037C
*MIL-STD-188


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