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Modem Test Systems
The Yelo system is the automatic test system for telecommunications products. Its capabilities extend from modems, through telephones to ISDN - the Yelo system range provides a one stop telecommunications test solution. One card provides simulated phone lines programmable for various national standards, simulated telephones and all signal sources and measurement. Everything needed in fact to test almost any product which can connect to a standard telephone line. All types of modem can be tested including RS232, PCMCIA and PC slot cards. Many of today’s products are a hybrid of voice and data. With its acoustic capabilities, a Yelo system can test any combination including combined modem/fax/answerphone etc. Extensive test libraries provide the fullest range of modem tests which can be quickly modified to individual needs. Yelo systems are in use in many countries providing cost effective, flexible production testing of modems. Yelo System Modem Testing Benefits
Yelo System Modem Tester Key Features The Yelo system is the ideal solution for testing modems and related products in a production environment. It is a PC controlled test system utilising user-friendly software. A range of telecommunications test cards plug into the system to offer a selection of facilities from exchange line simulation through caller display to PCM (0703) tests. A choice of fixturing options can be provided from a simple line socket to full acoustic testing. The Yelo system is more than just a modem tester, further cards extend it into a generic board or sub assembly test system to provide in-circuit and functional testing of any product. Off-the-shelf standard software is available that will test many standard modem products. By editing a simple configuration file you choose the test parameters from line conditions to time delays. This software includes all standard tests for BABT approval and an extensive range of functional tests including data transfer. This flexible and comprehensive combination means that many of today’s new complex products can be tested. The Yelo 7125, with a Telecommunications Test Card and phone/modem software, provides a very low cost entry to automatic modem testing. Add a fixture with acoustic coupling and the range of tests include all acoustics. If other test capabilities are required, the Yelo 7125 can be upgraded to a Yelo 7130 which allows a further 11 test cards to added. The upgrade cost is only the difference between the price of the 7125 and 7130 so there is no penalty for starting with the smaller set and upgrading later Mindready (NI) designs and manufactures a wide range of fixture options that can be customised to your product or if you choose, you can supply your own fixture. The Yelo system can be used as a simulated exchange to test a modem for line conditions, dialling and power. It can also be used with a reference modem so that data transfer tests may be performed with various line conditions. The set-up to simulate the telephone standards of most countries is simple. The combination of standard modem/phone test software and the extensive menu based production environment means that the Yelo system can be put to use immediately. With reporting functions available to disk and across a network, the Yelo system can provide up-to-date management information with very little effort. As well as conventional line based telecoms test, the range of interfaces include PCM and ISDN. If your product uses custom signalling or a dedicated interface (e.g. for a product specific modem) then Mindready (NI) can design an appropriate interface to simulate this. Since the Yelo system expands to be a full PCB level tester, your products may be in-circuit and functionally tested on one fixture without handling. Test resources available (standard)
Expansion options
Upgrades
Programming tools
Ease of maintenance
Modem/Telephone fixturing
Yelo system physical size
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