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Appendix D: Specifications
D–20
CTS 710 SONET Test Set User Manual
Table D–5: Certifications and compliances (cont.)
Characteristic Description
Installation Category Descriptions Terminals on this product may have different
installation category designations. The installation
categories are:
CAT III Distribution-level mains (usually
permanently connected). Equipment at
this level is typically in a fixed industrial
location
CAT II Local-level mains (wall sockets).
Equipment at this level includes
appliances, portable tools, and similar
products. Equipment is usually
cord-connected
CAT I Secondary (signal level) or battery
operated circuits of electronic equipment
Appendix D: Specifications
D–20
CTS 710 SONET Test Set User Manual
Table D–5: Certifications and compliances (cont.)
Characteristic Description
Installation Category Descriptions Terminals on this product may have different
installation category designations. The installation
categories are:
CAT III Distribution-level mains (usually
permanently connected). Equipment at
this level is typically in a fixed industrial
location
CAT II Local-level mains (wall sockets).
Equipment at this level includes
appliances, portable tools, and similar
products. Equipment is usually
cord-connected
CAT I Secondary (signal level) or battery
operated circuits of electronic equipment