16
6604-2001
Example for input channel connection
TD
RD
SG
RS-232/V.24
Equipment
DTE
TD
RD
SG
RS-232/V.24
Equipment
DTE
SG
RD
TD
RS-232/V.24
Equipment
DTE
SG
RD
TD
RS-232/V.24
Equipment
DTE
Channel 3
Channel 1
Channel 2
Channel 4
GND
RD
TD
GND
RD
TD
TD
RD
GND
TD
RD
GND