channel service unit/data service unit
<communications, hardware> (CSU/DSU, or "..digital..") A device that
performs both the channel service unit (CSU) and data service unit (DSU)
functions. The Channel Service Unit (CSU) is used to terminate a DS1 or DS0
(56/64 kb/s) digital circuit. It peforms line conditioning, protection,
loop-back and timing functions. The Data Service Unit (DSU) terminates the data
circuit to the Data Terminal Equipment (DTE) and converts the customer's data
stream into a bi-polar format for transmission.
(2001-10-19)
Nearby terms:
channel hopping « channel op « channel service unit
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channel service unit/data service unit » chan op
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