IMPORTANT MIRCOM TECHNCICAL BULLETIN!
(November 2011) - During the course of a recent Verification, an issue arose which has resulted in this technical bulletin. The CSIS-202A signal circuit isolator module does not function correctly when used in signaling circuits that employ either the MIX-100S or the MIX-M500S Addressable Supervised Output Modules. A short applied to the "room side" of the CSIS-202 while in supervisory mode will not be isolated when an alarm occurs. 50% of the units we tested in which a short was applied during an alarm event also failed to protect the output module from failure. The module itself does not isolate the power supply (or NAC) from total failure if a short is applied to the signal output side. Mircom's engineering department is working to address this issue.
HARJIT (Jit) SANGHA (ACTIVE FIRE & SAFETY) EXONERATED IN BOGUS SURREY VERIFICATION!
(December 12, 2011) - An interesting bit of news we received in the mail from ASTTBC this morning sort of reminded us of Bill Clinton and the more infamous little blue dress. Unlike Bill, however, Harjit Sangha (President of Active Fire and Safety Services Ltd.) has been exonerated in the debacle (in this case involving an incorrectly verified Potter 9000 system in Surrey). You see, even though Mr. Sangha was actually in the building (according to two independent witnesses) and did the deed (the Verification Inspection), he didn't quite finish (sign the actual paperwork - in this case the Appendix "C" form). His hand-writing is all over the stickers in the panel, but the actual documentation submitted to the City of Surrey bears another Active Fire technician's signature. The plot thickens and the investigation into who exactly stained the dress continues. More later!
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