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channel service unit/data service unit

   Also found in: Acronyms 0.01 sec.
(communications, hardware)channel service unit/data service unit - (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.
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The Intel Express 9545 integrates a native HDSL2 - the first symmetrical DSL standard - interface and a Channel Service Unit/Data Service Unit (CSU/DSU).
INTEL INTRODUCES HDS12 ROUTER FOR HIGH-SPEED INTERNET ACCESS by EDP Weekly's IT Monitor
The Cisco 2620 and 2621 offer WAN-service flexibility and investment protection by supporting the same WAN interface cards available for the Cisco 1600 series, 2600 series, 3600 series and the recently announced Cisco 1720 VPN access router, supporting a variety of serial, Integrated Services Digital Network Basic Rate Interface (ISDN BRI), and integrated channel service unit/data service unit (CSU/DSU) options for primary and backup WAN connectivity.
CISCO ENHANCES 2600 SERIES ROUTER WITH FAST ETHERNET AND VLAN by LAN Product News
McDATA network engineers test all network hardware that pertains to the IP channel extension network including routers, switches, security appliances and - Channel Service Unit/Data Service Units.
McDATA Simplifies Ordering and Pricing of IP Network Assessment ... by Business Wire
 
 
 
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