MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
Timing modes: transparent (passthrough timing from one port to another with selctable routing); interna (stratum 4) clock synthesizer, internal w/ frequency-lock to extenal timing port; data rate: from 1200 bps to 51.84 mbps; delay range: 10 milliseconds(ms) to over 4000 ms, in 1 ms increments, or from 100 bits to over 65000 bits in 1 bit increments; power source: 85-264 vac; operating temp: 32 to 122 degree fahrenheit