Clarity SR100 manual Part 68 of FCC Rules Information, Modular jack that is also compliant. See

Regulatory Compliance

Part 68 of FCC Rules Information

This equipment complies with Part 68 of the FCC rules and the requirements adopted by the ACTA. On the bottom of this equipment is a label that contains, among other information, a product identifier in the format US:AAAEQ##TXXXX. If requested, this number must be provided to the telephone company.

A plug and jack used to connect this SR-100 Ringer to the premises wiring and telephone network must comply with the applicable FCC Part 68 rules and requirements adopted by the ACTA. A compliant telephone cord and modular plug, RJ11 USOC, is provided with this product. It is designed to be connected to a compatible

modular jack that is also compliant. See 16xxx