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Home --> Fire Alarm Systems
RS485 Fibre Optic Data sheet
  • General
  • Feature
  • Specification
The RS485 fibre optic interface can be used for point to point communication between equipment provided with RS485 interfaces. Fibre optic cable is completely immune to external interference, which makes this unit ideal for harsh industrial environments. Another reason may be the need for a high level of security as fibre optic cable is very hard to tap. The fibre optic interface can handle data rates up to 1.5 Mbit/s and is available for use with multi-mode fibre optic cable.
• Withstands harsh environments with severe interference. • RS485 interface. • Galvanic isolation. • Protects connected units from lightning/ transients. • Suitable for multi-mode fibre. • Very low time delay through units. • Ideal for connecting equipment with different earth potentials. • Guarantees reliable long-distance communications.
Mechanical Mounting : Suitable for 35 mm DINrail mounting. Dimensions (mm) : 55 (W) x 100 (H) x 128 (D) Weight : 0.3 kg. Interface 1 : EIA RS485, ITU-T V.11, 5-position screw block. Interface 2 : Fibre optic, 2 ST- connectors. electrical Power supply : 24 V DC +50%/-50% Power consumption : 125 mA Fuse, F2 : 1.6 AF, 5 x 20 mm, Littlefuse Transmission : Asynchronous, full/half duplex or simplex Transmission rate : Up to 1.5 Mbit/s Indicators : Power, TD, RD Transient protection to line : Yes Isolation RMS power supply : 1,500 V
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