Path: utzoo!telecom-request Date: 22 May 91 15:29:51 GMT From: Kurt Freiberger Newsgroups: comp.dcom.telecom Subject: Re: Using Halon Around Switching Equipment Message-ID: Organization: Computer Science Department, Texas A&M University Sender: Telecom@eecs.nwu.edu Approved: Telecom@eecs.nwu.edu X-Submissions-To: telecom@eecs.nwu.edu X-Administrivia-To: telecom-request@eecs.nwu.edu X-Telecom-Digest: Volume 11, Issue 387, Message 1 of 11 Lines: 28 In article , nstar!bluemoon!sbrack@ iuvax.cs.indiana.edu (Steven S. Brack) writes: > I recently toured the offices ans switching center for UNITS, Ohio > State's telecom supplier. They're actually a division of the > University, but operate almost independently. Their NT SL100 switch > is protected by a Halon suppressant system. It turns out that things > like foam & water don't mix well with microprocessors and other solid > state electronics. 8) So, most heavy-duty telecom and computing > installations use Halon or some variant thereof. > As an aside, OSU may have to pull out the Halon system and replace it > with something more destructive to their switching equipment, like > CO2. The reason: Halon 1211 and 1301 (the two most common forms used > in fire prevention) have been shown to be bad for the environment. And burning electronic equipment, furniture, et al ISN'T???? Something I've always been wondering: PVC insulation makes Cyanogen (cyanide) gas when burned; so they came out with Teflon insulation that burns at a higher temp. But what does Teflon make when it burns? Reportedly, Phosgene gas. I'll take good ol' HCN anyday.... Cheers. Kurt Freiberger, wb5bbw kurt@cs.tamu.edu 409/847-8706 Dept. of Computer Science, Texas A&M University DoD #264 *** Not an official document of Texas A&M University ***