Low Speed RS-232 (MIL-STD-188C) Products
FiberPlex FOI-4141 Fiber Optic Isolator/Converter/Modem - high speed TIA-232; mission critical packaging



Packed in a rugged military style metal enclosure, the FOI-4141 Series Extends and Isolates Serial Communication at up to 1 Mbps over Fiber.


Overview
Used in pairs, the FOI-4141 (to DCE) and FOI-4411 (to DTE) provide end-to-end conversion, extension and electrical isolation of RS-232 circuits up to a maximum data rate of 1 Mbps. Multimode optics extends the distance to 2km, while singlemode optics extends the distance to 20km.

These units are transparent to all handshaking protocols and accept data and clock signals. A regeneration switch on the FOI-4141 allows users to toggle between synchronous applications that require send timing (ST) and asynchronous or synchronous applications that require terminal timing (TT).

The units support tail circuit and null modem functions for DCE to DCE or DTE to DTE communications. An alternate interface (V.35 or RS-422) may be installed at the opposite end, allowing the user to create a link between two electrically incompatible interfaces without requiring a separate interface converter.

The units 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 “T” units for high security applications because they have been TEMPEST tested and approved.

FOI 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 a FOI-4141 (to DCE) and a FOI-4411 (to DTE) with a duplex fiber cable in between.

FOI-4141 applications


Features
  • Serial Data to Fiber supporting TIA/EIA -232, -423, -694, -723 and MIL-STD-188C
  • Supports Data Rates from DC to 1 Mbps
  • Multimode extension of up to 1.2 miles (2 km)
  • Singlemode extension up to 12.4 miles (20 km)
  • Tail circuit and null modem functions for DCE to DCE or DTE to DTE
  • Can be paired with other FOI with V.35 or RS-422 interfaces for interface conversion
  • Rugged metal enclosures with RFI shielding
 
Ordering
# Model # Description Availability
1 FOI-4141-FC Isolator for RS-232, for connection to DCE, 1 Mbps, multimode FC optics, Power Options Sold Separately Special Order
 
 Accessories
2 FOI-4141-SC Isolator for RS-232, for connection to DCE, 1 Mbps, multimode SC optics, Power Options Sold Separately Special Order
 
 Accessories
3 FOI-4141-S-FC Isolator for RS-232, for connection to DCE, 1 Mbps, singlemode FC optics, Power Options Sold Separately Special Order
 
 Accessories
4 FOI-4141-S-SC Isolator for RS-232, for connection to DCE, 1 Mbps, singlemode SC optics, Power Options Sold Separately General Availability
 
 Accessories
5 FOI-4141-S-ST Isolator for RS-232, for connection to DCE, 1 Mbps, Singlemode ST optics, Power Options Sold Separately Special Order
 
 Accessories
6 FOI-4141-ST Isolator for RS-232, for connection to DCE, 1 Mbps, Multimode ST optics, Power Options Sold Separately General Availability
 
 Accessories
7 FOI-4141-T-FC Isolator for RS-232, for connection to DCE, 1 Mbps, TEMPEST VERSION, multimode FC optics, Power Options Sold Separately Special Order
 
 Accessories
8 FOI-4141-TS-FC Isolator for RS-232, for connection to DCE, 1 Mbps, TEMPEST VERSION, singlemode FC optics, Power Options Sold Separately Special Order
 
 Accessories
9 FOI-4141-TS-ST Isolator for RS-232, for connection to DCE, 1 Mbps, TEMPEST VERSION, Singlemode ST optics, Power Options Sold Separately Special Order
 
 Accessories
10 FOI-4141-T-ST Isolator for RS-232, for connection to DCE, 1 Mbps, TEMPEST VERSION, Multimode ST optics, Power Options Sold Separately General Availability
 
 Accessories
11 FOI-4411-FC Isolator for RS-232, for connection to DTE, 1 Mbps, multimode FC optics, Power Options Sold Separately Special Order
 
 Accessories
12 FOI-4411-SC Isolator for RS-232, for connection to DTE, 1 Mbps, multimode SC optics, Power Options Sold Separately Special Order
 
 Accessories
13 FOI-4411-S-FC Isolator for RS-232, for connection to DTE, 1 Mbps, singlemode FC optics, Power Options Sold Separately Special Order
 
 Accessories
14 FOI-4411-S-SC Isolator for RS-232, for connection to DTE, 1 Mbps, singlemode SC optics, Power Options Sold Separately General Availability
 
 Accessories
15 FOI-4411-S-ST Isolator for RS-232, for connection to DTE, 1 Mbps, Singlemode ST optics, Power Options Sold Separately General Availability
 
 Accessories
16 FOI-4411-ST Isolator for RS-232, for connection to DTE, 1 Mbps, Multimode ST optics, Power Options Sold Separately General Availability
 
 Accessories
17 FOI-4411-T-FC Isolator for RS-232, for connection to DTE, 1 Mbps, TEMPEST VERSION, multimode FC optics, Power Options Sold Separately Special Order
 
 Accessories
18 FOI-4411-TS-FC Isolator for RS-232, for connection to DTE, 1 Mbps, TEMPEST VERSION, singlemode FC optics, Power Options Sold Separately Special Order
 
 Accessories
19 FOI-4411-TS-ST Isolator for RS-232, for connection to DTE, 1 Mbps, TEMPEST VERSION, Singlemode ST optics, Power Options Sold Separately Special Order
 
 Accessories
20 FOI-4411-T-ST Isolator for RS-232, for connection to DTE, 1 Mbps, TEMPEST VERSION, Multimode ST optics, Power Options Sold Separately General Availability
 
 Accessories

 


 
 
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Direct: +1 301 975 1000
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Direct: +1 301 975 1007
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