Serial Port Connectivity - InterTest IONODES ION-E100-HD User Manual

4 Serial Port Connectivity

Many devices (PTZ keyboards, PTZ cameras, etc.) use RS-422/485 protocols for
communicating with other equipment. These protocols are standards for binary data exchange
between DTE and DCE equipments.
To connect serial equipment to an ION-E100-HD using RS-422/485 4-wire configuration, use the
following steps:
1. Connect twisted pair cables to the Terminal Bloc Socket located on the front panel of the
device. Connect to Tx+, Tx-, Rx+, Rx- and GND.
2. Select the desired operation mode (RS-422 4-wire, RS-485 2-wire or RS-485 4-wire)
using the devices web interface or external VMS interface.
3. To ensure proper connection between RS-422 4-wire or RS-485 4-wire serial equipment
and the ION-E100-HD, use the following scheme:
To connect serial equipment to an ION-E100-HD using RS-485 2-wire configuration, use the
following steps:
InterTest, Inc • 303 Route 94 • Columbia, NJ 07832 • 908-496-8008 • sales@intertest.com • www.intertest.com
Equipment Serial Port
TX+
TX-
RX+
RX-
GND
ION-E100-HD – User manual
ION-E100-HD Serial Port
RX+
RX-
TX+
TX-
GND
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