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2.3.9 USB Interface Circuit
The CPU of TD-4000/4100N is connected with a PC using the USB cable via U14 and
CN1.
U14 and CPU (U12) establishes bus connection with 8-bits to send and receive the
data.
Figure 2.3-11 USB Interface Circuit
2.3.10 RS232C Interface Circuit
The CPU of TD-4000/4100N is connected with a PC using the RS232C cable via U11
and CN3.
U11 and CPU (U12) send and receive the data through the serial port.
Figure 2.3-12 RS232C Interface Circuit
Summary of Contents for TD-4000
Page 1: ...SERVICE MANUAL MODEL TD 4000 TD 4100N ...
Page 139: ...Dec 2009 SM PT031 1 ...