DIN EN 60835-2-6:1995-08

Introduction
1 General
1.1 Scope
1.2 Normative references
2 Switching
2.1 Switching configurations
2.2 Pre-setting facilities
3 Non slipless protection switching
3.1 Switch operation - manual mode
3.2 Switch operation - automatic mode
4 Slipless protection switching
4.1 General considerations
4.2 Switch operation - manual mode
4.3 Switch operation - automatic mode
5 Channel priority status
5.1 Method of measurement
5.2 Presentation of results
5.3 Details to be specified
Annex
ZA (normative) Normative references to international
   publication with their corresponding European
   publication
Figures
1 Typical N + 1 protection switching arrangement
2 Typical twin-path protection switching arrangement
3 Arrangement for testing manual operation of
    non-slipless switch
4a Arrangement for testing automatic operation of
    non-slipless switch
4b Typical oscilloscope of logic analyser display
    obtained with the arrangement shown in figure 4a
5 Arrangement for testing manual operation of
    slipless switch
6 Arrangement for testing detection time interval
    of slipless switch
7 Arrangement for testing automatic operation of
    slipless switch

ALSO NUMBERED AS BS 7573:PT2:SEC2.6(1996) Deals with the measurement of terminal-to-terminal protection switching equipment associated with digital radio-relay systems.