PD-6564 | BS 6789-6.1:1986. Apparatus with one or moreparticular functions for connection to certain public switchedtelephone networks. Specification for series connectedapparatus. Apparatus having maximum allowable impairments' | Document Center, Inc.

PD-6564 › Complete Document History
BS 6789-6.1:1986. Apparatus with one or moreparticular functions for connection to certain public switchedtelephone networks. Specification for series connectedapparatus. Apparatus having maximum allowable impairments'

Obsolete Revision Information:

1992 EDITION - WITHDRAWN, 8/2/2013 - Oct. 31, 1992