S.I. Tech Home » Fiber Optic LAN/WAN Solutions » Model 2893/2894/2895

Model 2893/2894/2895

T3/E3/STS1 to Fiber Modem

S.I. Tech Model 2893/2894/2895 T3/E3/STS1 to Fiber Modem

S.I. Tech Model 2893/2894/2895

S.I. Tech Model 2893/2894/2895

Features:

  • T3, E3, or STS-1 (OC-1)
  • -48VDC option
  • Multimode or single mode fiber option
  • Up to 25 km at low cost
  • Optical link failure alarm built in
  • Status indicators & alarms for ease of use and maintenance

S.I.Tech 2893/2894/2895 Bit-Driver is designed to work with T3, E3, or STS-1 systems. Model 2893/2894/2895 is a T3, E3, or STS-1 to fiber optic transmitter/receiver full duplex product implementing T3, E3, or STS-1 protocol. Normal operating data rate for T3 is 44.736 Mbps. (E3 - 34.368 Mbps, STS1 - 51.84 Mbps)

This fiber optic Bit-Driver product eliminates many disadvantages of T3, E3, or STS-1 especially EMI/RFI, ground loops (electrical isolation with fiber), high attenuation (high signal loss), limiting distance between nodes of system, and potential lightning damage outdoors between buildings.

S.I.Tech Model 2893/2894/2895 is a rack mounted product allowing easy change from T3, E3, or STS-1 to fiber. Simply disconnect T3, E3, or STS-1 cable and connect to model 2893/2894/2895 input/output port. Model 2893/2894/2895 comes with power supply and status indicators.


  Ordering Information


Part Number Description
2893-R T3 Stand Alone Rack Mount Optical Bit-Driver, Multimode
2893-R-SM T3 Stand Alone Rack Mount Optical Bit-Driver, Single Mode
2893-R-SM-HP T3 Stand Alone Rack Mount Single Mode High Power Optical Bit-Driver
2894-R E3 Stand Alone Rack Mount Optical Bit-Driver, Multimode
2894-R-SM E3 Stand Alone Rack Mount Optical Bit-Driver, Single mode
2894-R-SM-HP E3 Stand Alone Rack Mount Single Mode High Power Optical Bit-Driver
2895-R STS-1 (OC-1) Stand Alone Rack Mount Optical Bit-Driver
2895-R-SM STS-1 (OC-1) Stand Alone Rack Mount Single Mode Optical Bit-Driver
2895-R-SM-HP STS-1 (OC-1) Stand Alone Rack Mount Single Mode High Power Optical Bit-Driver

Model Numbers  
2893(T-3), 2894(E-3), 2895(STS-1 or OC-1) units available with several options.
XXXX - R - ST
XXXX - 2R - ST
XXXX - R - SM - SC
XXXX - V
XXXX - 48
XXXX - R - SM - HP - SC
XXXX/850/1300
Rack mounted, 110 VAC, ST
2 Channel Rack Mounted, 110 VAC, ST
Rack mounted, Single mode, SC, 110 VAC
220 Volt AC Power unit
48 VDC Power unit
Rack mounted, Single mode, High power, 110 VAC, SC
Unit for use with WDM
Bomara supplies 2893/2894/2895 models with many different options to match customer specific applications. Specify correct part number for your application.

 

 

  Specifications

Operating Mode: Synchronous, half/full duplex
44.736 Mbps, T3
34.368 Mbps, E3 (G.703)
51.84 Mbps, STS-1 (OC-1)
Input/Output Interface: T3, 75 ohm Coax (BNC)
E3, 75 ohm Coax (BNC)
Transmission Line Interface: 2 ST fiber optic receptacles
Connector Options: ST, SC, and FC
Transmission Distance: 6600 ft (2 km) (5 km option)
Distance Options: 5 km, 10 km, and single mode
Transmitter Output power: 30 microwatts into 50 micron fiber (SM option)
System Wavelength: 820nm or 1300nm
Minimum Sensitivity: 3 Microwatts @ 820 nanometers
Bit Error Rate: 10-9
Operating Temperature: 0 °C to 50 °C
1U Rack: 17.0"W x 1.7"H x 7.5"D
(43.2 x 4.3 x 19.0 cm)
Weight: Rack 6 lb.(2.72kg)
Input Power: 110 VAC, 60 Hz, 10 W
Power Options 2893/2894V (230 VAC)
2893/2894 (-48 VDC)

Operating Distance for Fiber Optic Cable

Fiber Size
(Microns)
Attenuation
dB/km
Distance*
Meters
Distance*
Feet
50
62.5
10 SM
3.0
4.0
1.0
2000
2000
10000
6600
6600
33000

* Single mode (1300nm or 1550nm) option
(High power option available for long distances)

S.I. Tech Model 2893/2894/2895 Diagram




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