<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 « channel service unit/data service unit » chan op » chaos » CHAP
