Mr. Lee: For a multimedia computer, there are two areas that you must address in addition to the considerations of a normal PC.
1. The modem. It must comply with the telecom requirements of Std 950. Also, in Canada, the modem must be approved by Industry Canada. In Europe, it must be approved by each country's telecom regulating body. 2. The TV tuner. Since the tuner may be connected to an external antenna, it can build up a very large static electric charge, and it is also exposed to possible lightning strikes. So a discharge path must be provided. Since Std 950 doesn't address this issue directly, CSA uses Std. No. 1 as a reference (this is the home entertainment - radio/TV standard). This standard requires that you provide a discharge resistor from the antenna to the neutral of the power supply. The exact values escape me right now (I'm at home) but I seem to recall that the resistor must be between 4Mohm and 12Mohm, 1/2W. By the way, UL requirements are almost identical, except that the subject resistor must be UL Recognized. I'm not sure what they are doing about this in Europe, but the applicable standard is IEC 65. Regards, Egon Varju CSA Pacific
