EA915X DIGITAL TELEPHONE HYBRID
INSTRUCTIONS FOR USE
EELA AUDIO Het Riet 8A
5431NM CUIJK The Netherlands
Page 12
Glossary.
In fig1 the hybrid crosstalk is shown from a random connection. Note that every new test will give another
result. The upper curve shows the crosstalk with the digital echo canceller switched off by means of the
BYPASS switch; the lower curve shows the crosstalk with the digital circuitry active.
DSP.
Stands for Digital Signal Processor. This is a processor, specially meant to perform digital calculations on
analogue signals.
Hybrid.
Term used for the circuit to adapt a 2 wire telephone system to a so-called 4-wire (separate input and
output) interface.
Telefication.
Organisation, in the Netherlands registered as Notified Body to give approvals to telecommunication equip-
ment.
Fig.1
