... -ZD-E2000-type cable vibration detection and alarm devices (referred to as: vibration cable, fiber-optic alarm, vibration, optical fiber, optical ... professional design, relying on strong software and network systems, easy to use for the customer needs, develop a free, flexible alarm ... size : chassis 193 mm 150 mm 52 mm . Two side - to - side wide 25 mm , hang Pits spacing 115 mm optic ...