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2-2
UDS-10 User Guide
2.1.3 Port Number
Every TCP connection and every UDP datagram is defined by a destination IP address and a
port number. For example, a Telnet application commonly uses port number 23. A port
number is similar to an extension on a PBX system.
The unit 's serial channel (port) can be associated with a specific TCP/UDP port number. Port
number 9999 is reserved for access to the unit's Setup (configuration) Mode window.
2.2 Physically Connecting the Unit
The following diagram shows a typical hardware configuration for the UDS-10. Use one of
the cables described in Serial Interface Connection on page 1-9 to connect a PC COM port to
the UDS-10.
Ethernet
RS-232
9-30VDC
Ethernet
Figure 3 – UDS-10 Connected to Serial Device and Network
1. Connect a serial device to your unit. See Serial Interface Connection on page 1-9 for
more information about cable and connector specifications.
2. Connect an Ethernet cable to the Ethernet port.
3. Supply power to your unit using a 9-30VDC source.
Note: The required input voltage is 9-30VDC (3 W maximum).
4. Supply power to the serial device.
Note: Connecting a device to an active Ethernet network can disrupt communications on the
network. Make sure the device is configured for your application before connecting to an
active network.