Functional Testing using Two Types of Electric Wiring
HD-PLC Testing house serves as test site to perform functional testing for manufacturers which develop HD-PLC products. All products with the HD-PLC logo with guaranteed connectivity between equipments all passed the various tests performed at this Test House.
• Two types of distribution boxes and electrical wiring is set up at the Test House to perform functional test using different electrical wiring
There are two types of electric wiring for performing functional tests at the Test House. Generally, there are two types of electrical wiring inside the home; one connects each electrical plug from the distribution board in a straight line, the other uses a joint box which binds multiple electrical plugs, connecting them like a tree. Each type has its own advantages.
With the first type, there is a chance that if the electrical plug is far from the distribution box, the transmission performance necessary to operate the equipment is not sufficient. The newer homes and apartments most likely are built with the latter type, but at the Test House, it is possible to test if the products under development will actually function. Because the products can be tested under different types of electrical wiring, there are two types of distribution boxes, each with two types of electrical outlets.
• There are two ways to connect each electrical outlets; one connects them in a straight line (pictured in back) and the other bundles multiple outlets (pictured in foreground). The electrical wiring in the Test House comes with both types
Testing Environment prepared for Independent ISP Services
• Testing facility to check interoperability. Equipments under development are placed in a box to shield out the noise to check if it can perform at the HD-PLC standard
Testing environment for compatibility testing is mainly set up on the 2nd floor of the Test House. At the testing facility, when testing important interoperability, the equipment under testing is actually connected to another equipment which is set as the standard. The tests will check if the equipment connects without a problem, and if it can transmit at the standard speed. Noise reduction may not be enough during the testing phase, so the equipments are placed in a box to shield out the noise.
Among the various broadband services, ISPs provide services to its subscribers such as video on demand which requires a certain type of internet connection. The Test House signed contracts with the various ISP providers to set up their networks on site. The modem and the network is switched to the ISP that is undergoing testing, while checking to see if it can provide enough speed even when using HD-PLC. This is especially effective when testing the set top box with built in PLC adaptor under development.
• Networks for major ISP companies are set up to test if HD-PLC can be used in the ISP independent services
It is not realistic for manufacturers prepare their own testing environments solely for HD-PLC. HD-PLC Alliance allows the manufacturers to use the testing facilities to support the development of HD-PLC ready equipments.
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