User manual XTA INTERFACE OPTIONS REV 2.1

[. . . ] A null modem cable will NOT work, as the "transmit" and "receive" connections are swapped. · Units may be cascaded from this first one, using the RS485 ports on the rear of the unit and standard XLR mic leads. This type of cable is generally available in most computer hardware stores, but do be sure to get a one to one cable as explained above. Alternatively, it can be purchased from your local XTA supplier or directly from XTA by credit card. [. . . ] This is our recommended interface to use with AudioCore, when the (first) unit to be controlled is more than 25 feet from the PC/laptop AND the computer doesn't have a standard 9-pin COM port (but does have a spare USB port!). · The KK systems "K2-ADE" RS232-RS485 interface supplied in this kit is NOT the same as the one in the standard 232-485 kit ­ note the "ADE" suffix which stands for Automatic Device Enable. The non-ADE version will not work reliably!· The "K2-ADE" converter has a set of DIP switches to adapt the system for various uses. These are set correctly by XTA when leaving the factory and should not be adjusted. If for any reason they are different, the correct settings are shown in the diagram to the left. · · The wiring for the 9 pin D-type to 3 pin XLR is as follows: D-type XLR 1 1 3 2 8 3 Maximum cable length from the output of the converter is 1000 metres. Where do I get one?There is a multitude of very similar looking USB to serial devices available in most computer stores but in our experience, they can prove unreliable due to timing of data through the converter, and inconsistencies between manufacturers. It is highly recommended that the XTA converter be used!The kit can be purchased from your local XTA supplier or directly from XTA by credit card. See the end of this document for details. XTA Part Number: USB-485 For technical support on this product please email tech@xta. co. uk. Interface Options Page 4 USB-485i ­ USB to RS485 Conversion Kit for use with iCore What is it?A combination of a direct USB to RS485 converter and a cable adapter to provide direct balanced 2 wire + shield connection. 1 x KKSystems "USB-485" adapter with driver disk & manual; 1 x 9 pin D-type male to 3 pin XLR male adapter cable. When should I use this?This is our recommended interface to use with iCore software. When the (first) unit to be controlled is more than 25 feet from the PC/laptop AND the computer doesn't have a standard 9-pin COM port (but does have a spare USB port!). · The driver for this interface has an advantage over standard USB-Serial interfaces because it won't swap COM ports if you plug it into a different USB port on your machine. · The quick way to find out what COM port it's installed on is press the "Windows" button on your keyboard PLUS the "Pause/Break" key ­ this displays the "System Properties" and form there it's "Device Manager" and then "Ports" ­ you should see your adapter listed with it's COM port in brackets. · The wiring for the 9 pin D-type to 3 pin XLR is as follows: D-type XLR 4 1 (Ground) 3+7 (Join) 2 8+2 (Join) 3 · Maximum cable length from the output of the converter is 1000 metres. There is a multitude of USB to serial devices available in most computer stores but in our experience, they can prove unreliable due to timing of data through the converter, and inconsistencies between manufacturers. It is highly recommended that the XTA converter be used!Similarly, many RS232 to RS485 converters are available through specialist suppliers, but the KK systems converter has been proven by XTA to work reliably in all cases and we recommend you use this device. The kit can be purchased from your local XTA supplier or directly from XTA by credit card. [. . . ] The RS485 port from this local unit can then be used to connect to the other units that are not nearby. · If a WiSP wireless link is being used and it sometimes makes more sense for the receiver to be placed at FOH or somewhere other than the remote units location due to signal strength / line of sight problems. As the output of this adapter is RS485 it can be placed high up in a venue and the output cable extended. Purchasing any of these interfaces. . . All of the interfaces can be ordered through your local distributor. If you're not sure who that is, go to http://www. xta. uk. com/distributors. htm to find the one nearest you. [. . . ]