David, Cointact BABT and get a copy of their application note 48, "Recommendations for Terminal Equipment for use Inside a Host Equipment.". This document spells out the circumstances and notification requirements under which the safety cover can be left off of a card installed in a pc.
Dick Shultz >Subject: British TNV Circuitry Needs an Insulating Cover? >Sent: 4/7/97 7:55 AM >Received: 4/7/97 8:07 AM >From: David Drori, [email protected] >Reply-To: [email protected] >To: TREG, [email protected] > >Dear Treggers, > >I have observed that data modem cards for the UK market, designed for >installation in PCs, have an insulating cover surrounding the TNV >(Telecommunications Network Voltage) areas of the circuit. I have also seen >this requirement stated by one of the modem chip manufacturers in its >applications literature. However, I am not at all sure whether this >practice is universal. > >Can anyone tell me if the insulating cover is a requirement, and if so, >where it is stipulated? Alternatively, can anyone state categorically that >data modem boards are being sold (with BABT approval, of course) without a >protective cover? > >Thanks in advance to all those who respond. > >Best regards, > >David Drori > >--------------------------------------------------------------------------- >------------------ >Novarex Enterprises Ltd., >POB 2833, >Jerusalem 91028, >Israel. >Tel: +972 2 581 0995 >Fax: +972 2 581 3750 >Mobile: +972 5 067 8686 >E-mail: [email protected] >--------------------------------------------------------------------------- >------------------ > >
