Logging tap for digital telephone lines

A logging tap for direct connection of a plurality of digital-to-analog converter (DAC) circuits to a plurality of digital telephone signal lines in logging applications, comprising:

• a decoder unit comprising a plurality of said DAC circuits, each said DAC circuit having an input terminal for receiving a digital telephone signal and an output terminal for transmitting an analog telephone signal to a logging device, said DAC circuits and said input and output terminals disposed on a planar substrate;
• a type 66 block having first and second rows of insulation displacement (ID) pins disposed as circuit pairs in each said first and second row, wherein a circuit pair of said first row provides for bridging at least one of a plurality of said digital telephone lines coupling a PBX to one of a plurality of a subscriber's digital telephone devices and wherein a circuit pair of said second row provides for coupling said analog telephone signal to said logging device;
• an adapter having a first plurality of extension terminals for coupling said plurality of input terminals of said decoder unit to said type 66 block wherein each said ID pin of said first row of circuit pairs of said type 66 block is connected via one of said extension terminals to a corresponding said input terminal of a corresponding DAC circuit and having a second plurality of extension terminals for coupling said plurality of output terminals of said decoder unit to said type 66 block wherein each said ID pin of said second row of circuit pairs of said type 66 block is connected via one of said extension terminals to a corresponding said output terminal of said corresponding DAC circuit.