SN EN 60835-2-6 : 1995
Current
The latest, up-to-date edition.
METHODS OF MEASUREMENT FOR EQUIPMENT USED IN DIGITAL MICROWAVE RADIO TRANSMISSION SYSTEMS - PART 2: MEASUREMENTS ON TERRESTRIAL RADIO-RELAY SYSTEMS - SECTION 6: PROTECTION SWITCHING
12-01-2013
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
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