2-13
The features and functions of the E&M board are as follows.
y
Transformer and impedance matching circuits are built in.
y
It encodes the entered analog signal into the digital signal of the PCM method where the digital
signal is decoded into the analog signal on the system through the PCM method.
y
There is separate logic to the control port of the board.
y
It has an outgoing signal control logic and incoming signal Detection logic.
Front Panel and Structure of Board
E&M Board with 8 ports