RE: I/O Surge

1999-04-01 Thread Mike Hopkins
hear about it. Mike Hopkins mhopk...@keytek.com > -Original Message- > From: WOODS, RICHARD [SMTP:wo...@sensormatic.com] > Sent: Wednesday, March 31, 1999 10:05 AM > To: 'emc-pstc'; 't...@world.std.com' > Subject: I/O Surge > > EN50130-4,

I/O Surge

1999-03-31 Thread WOODS, RICHARD
EN50130-4, Immunity for alarm systems, requires that signal lines be surge tested per EN6100-4-5 using the coupler/decoupler network in figure 12 for balanced signal pairs. The equipment available on the market has a bandpass rating of 100 kHz, and the standard does not specify the type of circuits