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2.
3.
NOTE:
such as door switches, connect the switch between +12V
(Power) and SIG (Signal). See Contacts on Table 2-1.
Configure and Connect to the Serial Ports
The Media Controller provides four serial ports: Two that use
standard male DB9 connector and two that are configurable
as RS-232, RS-422, or RS-485 and provide hardware
handshake.
Wiring to one of the configurable ports depends on the wiring
requirements of the device you are connecting. Refer to your
device's documentation and the following table and figures to
determine how to wire the port. Refer also to "Use Pluggable
Terminal Block Connectors" on page 23.
Table 2-3.
Serial Port Configuration Options
Connector Type Transmit
RS-232
RS-422
RS-485
24
Lower the opening's latch until it locks the wire in
place.
Repeat Steps 1-2 for all wires required for your
device.
When you connect dry contact closure devices,
TX
TX+TX-
TX+ RX+
Receive
Ground
RX
GND
RX+ RX-
TX- RX-
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