Q: If a fire alarm control panel uses two phone lines and a DACT, NFPA 72 states it must send test signals on both lines. How does the digital communicator know which phone line to use for its 24-hour ...
New wireless fire and intrusion products remove the wires, and the restraints, in specifications for integrators. We’ve got the low down on new products in both categories. Commercial Wireless Systems ...
ST. LOUIS—Potter Electric Signal Co. has just introduced what it believes is a first: a fire alarm panel designed specifically for sprinkler monitoring. Craig Summers, national sales manager for ...
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