Standard test tone

In telecommunication, a standard test tone is a pure tone with a standardized level generally used for level alignment of single links and of links in tandem.

For standardized test signal levels and frequencies, see MIL-STD-188-100 for United States Department of Defense (DOD) use, and the Code of Federal Regulations Title 47, part 68 for other Government agencies.

See also

• Reference tone
• Standard test signal

References

•  This article incorporates public domain material from the General Services Administration document "Federal Standard 1037C" (in support of MIL-STD-188).