High Speed RS-422/530 (MIL-STD-188C-114A) Products
FiberPlex FOI-4451 Fiber Optic Isolator/Converter/Modem - high speed; mission critical packaging


Packed in rugged military style metal enclosures, the FOI-4451 Series Extends and Isolates Synchronous Communication (EIA-530/RS-422) at up to 6.144 Mbps over Fiber


Overview
Used in pairs, the FOI-4451 (to DCE) and FOI-4541 (to DTE) provide end-to-end conversion, extension, and electrical isolation of EIA-530/RS-422 circuits. Multimode optics extends the distance to 2km, while singlemode optics extends the distance to 20km. The FOI-4451 and FOI-4541 both provide complete electrical isolation for RS- 422 communications. 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. Privacy of communications is also enhanced because the fiber optic cable does not radiate any emissions. Patton recommends “T” units for high security applications because they have been TEMPEST tested and approved.

The units are transparent to all handshaking protocols, and can accept data and clock signals up to 6.144 Mbps. A regeneration switch on the FOI-4451 enables users to toggle between synchronous applications that require send timing (ST), and asynchronous or synchronous applications that require terminal timing (TT). They support tail circuit and null modem functions for DCE to DCE or DTE to DTE communications. An alternate interface (V.35 or RS-232) may be installed at the opposite end creating isolated interface converter.

Applications
A typical link consists of an FOI-4451 at the Data Communication Equipment (to DCE) and an FOI-4541 at the Data Terminal Equipment (to DTE) with a duplex fiber optic cable between them.

FOI-4451 applications


Features
  • Extends and Isolated EIA-530/RS-422 (MIL-STD-188-114A and FED STD 1030A) Serial Data Over Fiber
  • Multimode extension of up to 1.2 miles (2 km), singlemode extension up to 12.4 miles (20 km)
  • Singlemode extension up to 12.4 miles (20 km)
  • Separate unit for DCE and DTE: FOI-4451 (to DCE) and FOI-4541 (to DTE)
  • Supports Data Rate from DC to 6.144 Mbps
  • Tail circuit and null modem functions for DCE to DCE or DTE to DTE
  • Pairs with other FOI with V.35 or RS-232 interfaces for interface conversion
 
Ordering
# Model # Description Availability
1 FOI-4451-FC Isolator for EIA-530/RS-422, for connection to DCE, 6 Mbps, multimode FC optics, Power Options Sold Separately Special Order
 
 Accessories

2 FOI-4451-SC Isolator for EIA-530/RS-422, for connection to DCE, 6 Mbps, multimode SC optics, Power Options Sold Separately Special Order
 
 Accessories

3 FOI-4451-S-FC Isolator for EIA-530/RS-422, for connection to DCE, 6 Mbps, singlemode FC optics, Power Options Sold Separately Special Order
 
 Accessories

4 FOI-4451-S-SC Isolator for EIA-530/RS-422, for connection to DCE, 6 Mbps, singlemode SC optics, Power Options Sold Separately Special Order
 
 Accessories

5 FOI-4451-S-ST Isolator for EIA-530/RS-422, for connection to DCE, 6 Mbps, Singlemode ST optics, Power Options Sold Separately General Availability
 
 Accessories

6 FOI-4451-ST Isolator for EIA-530/RS-422, for connection to DCE, 6 Mbps, Multimode ST optics, Power Options Sold Separately General Availability
 
 Accessories

7 FOI-4451-T-FC Isolator for EIA-530/RS-422, for connection to DCE, 6 Mbps, TEMPEST VERSION, multimode FC optics, Power Options Sold Separately Special Order
 
 Accessories

8 FOI-4451-TS-FC Isolator for EIA-530/RS-422, for connection to DCE, 6 Mbps, TEMPEST VERSION, singlemode FC optics, Power Options Sold Separately Special Order
 
 Accessories

9 FOI-4451-TS-ST Isolator for EIA-530/RS-422, for connection to DCE, 6 Mbps, TEMPEST VERSION, Singlemode ST optics, Power Options Sold Separately General Availability
 
 Accessories

10 FOI-4451-T-ST Isolator for EIA-530/RS-422, for connection to DCE, 6 Mbps, TEMPEST VERSION, Multimode ST optics, Power Options Sold Separately General Availability
 
 Accessories

11 FOI-4451-XS-ST Extended Temperature Isolator for EIA-530/RS-422, for connection to DCE, 6 Mbps, Singlemode ST optics, Power Options Sold Separately General Availability
12 FOI-4451-X-ST Extended Temperature Isolator for EIA-530/RS-422, for connection to DCE, 6 Mbps, Multimode ST optics, Power Options Sold Separately General Availability
13 FOI-4541-FC Isolator for EIA-530/RS-422, for connection to DTE, 6 Mbps, multimode FC optics, Power Options Sold Separately Special Order
 
 Accessories

14 FOI-4541-SC Isolator for EIA-530/RS-422, for connection to DTE, 6 Mbps, multimode SC optics, Power Options Sold Separately Special Order
 
 Accessories

15 FOI-4541-S-FC Isolator for EIA-530/RS-422, for connection to DTE, 6 Mbps, singlemode FC optics, Power Options Sold Separately Special Order
 
 Accessories

16 FOI-4541-S-SC Isolator for EIA-530/RS-422, for connection to DTE, 6 Mbps. singlemode SC optics, Power Options Sold Separately Special Order
 
 Accessories

17 FOI-4541-S-ST Isolator for EIA-530/RS-422, for connection to DTE, 6 Mbps, Singlemode ST optics, Power Options Sold Separately General Availability
 
 Accessories

18 FOI-4541-ST Isolator for EIA-530/RS-422, for connection to DTE, 6 Mbps, Multimode ST optics, Power Options Sold Separately General Availability
 
 Accessories

19 FOI-4541-T-FC Isolator for EIA-530/RS-422, for connection to DTE, 6 Mbps, TEMPEST VERSION, multimode FC optics, Power Options Sold Separately Special Order
 
 Accessories

20 FOI-4541-TS-FC Isolator for EIA-530/RS-422, for connection to DTE, 6 Mbps. TEMPEST VERSION, singlemode FC optics, Power Options Sold Separately Special Order
 
 Accessories

21 FOI-4541-TS-ST Isolator for EIA-530/RS-422, for connection to DTE, 6 Mbps. TEMPEST VERSION, Singlemode ST optics, Power Options Sold Separately General Availability
 
 Accessories

22 FOI-4541-T-ST Isolator for EIA-530/RS-422, for connection to DTE, 6 Mbps, TEMPEST VERSION, Multimode ST optics, Power Options Sold Separately General Availability
 
 Accessories

23 FOI-4541-XS-ST Extended Temperature Isolator for EIA-530/RS-422, for connection to DTE, 6 Mbps, Singlemode ST optics, Power Options Sold Separately General Availability
24 FOI-4541-X-ST Extended TemperatureIsolator for EIA-530/RS-422, for connection to DTE, 6 Mbps, Multimode ST optics, Power Options Sold Separately General Availability
 
 Accessories


 


 
 
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