Moxa Technologies N Port Express How-To
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Moxa Technologies N Port Express How-To

Moxa Technologies N Port Express How-To

Hardwired ethernet to rs232 converter
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XTA Electronics Ltd.
The Design House
Vale Business Park
Worcester Road
Stourport-on-Severn
Worcs. DY13 9BZ. England
Tel: 01299 879977 (Intl. +44 1299 879977)
Fax: 01299 879969 (Intl. +44 1299 879969)
Web: www.xta.co.uk
...Use a hardwired Ethernet to RS232 Converter
[Moxa N Port Express™]
For applications where an existing Ethernet network or CAT5
cable run is to be used to connect XTA DP series processors to a
computer, XTA recommend the Moxa N-port Express™.
This device allows AudioCore V6.00 and above to use TCP/IP to
communicate with connected units through an existing network
or directly from a PC, laptop or tablet with 10/100 RJ45 network
port.
The Moxa port can be connected as either a direct connection to a PC or part of a network
infrastructure. When using the direct connection between the PC and the Moxa port you will need
a crosswired CAT5 cable (see notes).

IP Address:

We recommend that the Moxa port is given a static IP address, choosing a correct IP address is
usually simple and normally takes on the form of 192:68:x:x where 'x' is any value between 0 and
255. However, if the Moxa port is connected to a network infrastructure, choosing it may require
the 'System administrator' to allocate an IP Address. If the system uses a DHCP server to
automatically distribute IP addresses, the allocated IP Address will need to be reserved in the
DHCP server.

Subnet Masks:

A subnet mask simply masks out / locks to this value any part of the 4-section IP Address used or
association with a partially fixed host address's.
Example:
Moxa IP Address:
192:168:16:254
Moxa Subnet Mask: 255:255:255:0
This means that only PC's with an IP Address 192:168:16:x can communicate with the Moxa port.
(Where 'x' can be any number between 0 and 255)

DIP Switches:

Make sure ALL the switches next to the 9-pin port on the Moxa are set to OFF / at the bottom.

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Summary of Contents for Moxa Technologies N Port Express

  • Page 1 Fax: 01299 879969 (Intl. +44 1299 879969) Web: www.xta.co.uk …Use a hardwired Ethernet to RS232 Converter [Moxa N Port Express™] For applications where an existing Ethernet network or CAT5 cable run is to be used to connect XTA DP series processors to a computer, XTA recommend the Moxa N-port Express™.
  • Page 2 Example Setup A: Computer direct to Moxa Port On the PC, from the Start Menu select Settings >Control Panel. Double click ‘Network and Dialup Connections’. Right click the port you will be connecting to the Moxa Port and select ‘Properties’. Double click ‘Internet Protocol (TCP/IP)’.
  • Page 3 Example Setup B: Adding the Moxa Port to a Network infrastructure Assuming that the PC to run AudioCore is already working in a network environment, get a valid static IP Address and Subnet mask for the Moxa port from the ‘System Administrator’. Now connect the Moxa Port to the network using a standard CAT5 cable.
  • Page 4 TCP/IP Configuration: Once a successful connection has been established, open the device configuration window (Configuration > Modify Configuration) or press the configure button on the left of the toolbar and set the Server name, IP address and Network mask by selecting the relevant check boxes.
  • Page 5 Setting Output Mode: Click on the OP_Mode tab and check the Change OP_Mode checkbox. Now press ‘More Settings’ and set the TCP Port between 8000 and 8100. (This is limited in AudioCore to this range of values) * 8002 is the AudioCore default. Set the rest of the options as shown below.
  • Page 6 Serial Port Setup: Click on the Serial Settings tab and check the Change Serial Port Settings checkbox. Now set the serial port as shown: Baud Rate 38400 (Same as master XTA DP series processor) Parity None Data Bits Stop Bit Flow Control RTS/CTS UART FIFO Enable...
  • Page 7 Now close the configuration program and connect a crossover serial cable between the Moxa Port and a DP226/224/428. On the XTA Unit set the PC Interface to Master (RS232) and Baud Rate 38400. On the PC start AudioCore. In AudioCore, click on Remote then TCP/IP; enter the IP address and port number that you used in the Moxa and press Test Connection.
  • Page 8 Fault Finding: 1. In AudioCore, does Test Connection fail? Yes – go to 3. No - go to 2. 2. Can you talk to the XTA unit using a normal RS232 connection at 38400 baud? Yes – Problem is in Moxa to XTA serial cable, check wiring. No - Check PC interface settings on XTA unit.

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