GR 57 CORE : ISSUE 1
Current
Current
The latest, up-to-date edition.
FUNCTIONAL CRITERIA FOR DIGITAL LOOP CARRIER (DLC) SYSTEMS
Published date
12-01-2013
Publisher
Provides generic functional criteria for digital loop carrier systems that interface with other equipment on an individual communications circuit basis. Also includes signaling and transmission criteria for locally switched services, non-locally switched services and non-switched services.
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