9 Alarm monitoring systems; Data cables; Fire alarms; Access control and alarm monitoring systems; Closed circuit TV systems for security and surveillance, namely, cameras, switchers, monitors, microphones, and recorders; Security and fire alarms; Telecommunications equipment, namely, fiber-optic transceivers, fiber optic repeaters, converters and optimizers, wave division multiplexers, free-space optics transmission systems, switches including Ethernet switches and routers, fiber-to-the-home and ethernet-over-VDSL access aggregators, terminators and repeaters, and remote presence management products, namely, switches, and console, alarm, sensor and power management devices