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RS-485 Serial Cables
Junction Box “Daisy Chain” Wiring Diagram
RS485 Wiring Diagram
The RS485 Serial port is
located on the left corner of
the terminal. RS485 is
imprinted on the terminal
casing. A
A RS485 communication allows
up to 32 terminals to be
connected to one serial port.
An RS232 port on the host PC
is used with an RS232/RS485
converter to complete the
connection. B
B RS485 provides good protection
from interference over long runs
up to 4000 ft.
Note: When wiring a network, always
follow the electric wiring codes in your
area. Typically, a Teflon coated wire
is required for wiring through a ceiling.
The junction box to junction box wire
shown is a teflon jacketed cable.
Cables
Modular
Std.
Cable
Modular
Std.