Lantronix manual Physically Connecting the Unit, UDS-10 Connected to Serial Device and Network

Getting Started

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 1-9to connect a PC COM port to the UDS-10.

Ethernet

RS-232

Ethernet

9-30VDC

Figure 3 – UDS-10 Connected to Serial Device and Network

1.Connect a serial device to your unit. See Serial Interface Connection on page 1-9for 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.

2-2 UDS-10 User Guide