Intercom, Alarm and Emergency Notification Systems
FiberPlex FOI-2890 Fiber Optic Isolator/Converter/Modem - alarm circuits with data and contact closures; mission critical packaging


Packed in rugged military style metal enclosure, the FOI-2890 Series transports Duplex Alarms with Controls over Fiber


Overview
The FOI-2890 provides complete electrical isolation for 4 channels of control signals and relay closures, and 2 channels of asynchronous or synchronous RS-232 communications. Multimode optics extends the distance to 2km, while singlemode optics extends the distance to 20km. During power failures or interruptions, the relays will hold the last commanded state until power is restored and the relays are commanded differently. This model is ideal for applications that include alarm indicators, lock actuators, and HVAC instrumentation and control.

These units are perfect for Alarm Indicators, Lock Actuators and HVAC Instrumentation and Control. The unit can be used in areas of high electrical noise or in and out of RF shielded enclosures. The fiber optic cable is not susceptible to interference caused by impulse noise, crosstalk, or EMI. Patton recommends “R” units for high security applications because the units have added filtering and shielding for RFI suppression.

FOI version units can be mounted in several redundant powering chassis; rack and wall mount options including Tempest and NEMA alternatives.

Applications
A typical link consists of two FOI-2890s, one at each end of the network, with a duplex fiber optic cable in between.

FOI-2890 applications


Features
  • Delivers 4 channels of control signals and relay closures with 2 channels of asynchronous or synchronous RS-232 communications over fiber
  • Multimode extension of up to 1.2 miles (2 km), singlemode extension up to 12.4 miles (20 km)
  • Data Rate: DC to 230 kbps
  • Two TIA/EIA-232 (RS-232) TX and RX; compatible with MIL-STD-188C
  • Four 0 to +5VDC control signal inputs
  • Four SPST form A relay closure inputs
  • Rugged metal enclosures with RFI shielding
 
Ordering
# Model # Description Availability
1 FOI-2890-R-ST Isolator for duplex alarm circuit, (4) Form A relays & (2) RS-232 duplex paths,  DB-25F connector, RFI suppressed, Multimode ST optics, Power Options Sold Separately Special Order
 
 Accessories
2 FOI-2890-ST Isolator for duplex alarm circuit, (4) Form A relays & (2) RS-232 duplex paths,  DB-25F connector, Multimode ST optics, Power Options Sold Separately Special Order
 
 Accessories

 


 
 
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Direct: +1 301 975 1000
Support: support@patton.com
Direct: +1 301 975 1007
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