10
QUICK GUIDE
RS422 CONNECTION
1 2 3 4
RS-422/485
5 6 7 8 9
RS422 RS485
T
X+
T
X-
R
X-
R
X+
485-
485+
1.Connect the transmitter and the receiver with the RS485/RS422 signal cable.
2.As demonstrated above, connect the transmitter with the terminal device and
connect the receiver with the switcher. The line sequence shall correspond to
the colors.
3.Select the corresponding baud rate on both the transmitter and the receiver. (Baud
rate setting path: enter the menu-system setting-serial port setting)
.
4.The terminal equipment which is connected with the transmitter could be controlled
by the lever arm on the switcher.
Summary of Contents for HL-Syscom 421S
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