the field that will take that T1 signal and use the 24, 64 kbps DS0 channels for voice applications. POTS - Plain Old Telephone Service. Regular old-fashioned analog loop start phone service. Repeaters, Boosters or Amplifiers - Used to "boost" (amplify) the signal when your distance from the central office exceeds 20 miles (33 kilometers). RJ-11 - Short for Registered Jack-11, a four- or six-wire connector used primarily to connect telephone