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Model 2896

Redundant T1 to Fiber Modem

S.I. Tech Model 2896 T1 to Fiber Modem with Redundancy

S.I. Tech Model 2896

Features:

  • Fallback Switch on T1 lines
  • 2 channel T1 (DS-1) AMI or B8ZS over 4 fibers
  • -48VDC option
  • Provides clear channel capability
  • Status indicators & alarms for ease of use and maintenance
  • Multimode or single-mode fiber option
  • Up to 10 km at low cost
  • Optical link failure alarm built in
  • Use as 2 independent channels or redundant operation with automatic switch over

S.I.Tech 2896 Bit-Driver is designed to work with T1 systems. Model 2896 is a T1 to fiber optic transmitter/ receiver full duplex product implementing T1 protocol, 2 CH rack mounted, power unit and built in redundancy. (110VAC, 220VAC, or -48VDC)

This fiber optic Bit-Driver product eliminates many disadvantages of metallic T1 signals, 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 2896 Bit-Driver is a rack mount product allowing easy change from T1 to fiber. Simply connect T1 cable to Model 2896 input/output port. Model 2896 comes with power supply and status indicators. 2896 provides 2-T1 channels. Unit works with 110VAC, 220VAC, and -48VDC input power, 50/60 Hz, 20W. Power can be switched ON or OFF on each channel, as well as primary. Unit can be used as 2 channels or redundant with automatic switch over.

Specifications

Operating Mode:Synchronous, half/full duplex 1.544 Mbps (DS-1 protocol)
Input/Output Interface:RJ48 TP-100 Ω 2 CH
Transmission Line Interface:4 ST Fiber Optic receptacles
Transmission Distance:See Distance Chart
Transmitter Output Power:30 Microwatts into 50 Micron fiber (1300 nm Option)
Receiver Wavelength:820 nm (1300 nm Option)
Line Bit Rate:1.544 Mbps
Error rate:10-9
Line Code:AMI or B8ZS
Dynamic Range:10 dB
Frame Structure:T1
Minimum Sensitivity:3 Microwatts @ 820 nanometers
Operating Temperature:0°C to 50°C
Relative Humidity:95%
Mean Time Between Failure:MTBF @ 25°C = 470,000 Hours
MTBF @ 50°C = 190,000 Hours
[Bellcore test method used]
Metal Enclosure:17.0"W x 1.7"H x 7.5"D
(43.2 x 4.3 x 19.0 cm)
Designed for 19" Rack, 1U High Rack
Weight:6 lb. (2.72kg)
Input Power: 85 to 240 VAC, 50/60 Hz, 10 W (-48VDC option available)

Operating Distance for Fiber Optic Cable

S.I. Tech Model 2896 Diagram

Female RJ48 I/O Connections

S.I. Tech Model 2896 Diagram

S.I. Tech Model 2896 Diagram



S.I. Tech Home Bomara Homepage Request Information

Bomara Associates Phone: 800.5BOMARA (800.526.6272) Phone: 978.452.2299 Fax: 978.452.1169 3 Courthouse Lane, Chelmsford, MA 01824 USA
Phone: 800.5BOMARA (800.526.6272)

Phone: 978.452.2299

 

Fax: 978.452.1169

Email: bobr@bomara.com

  Web: www.bomara.com

3 Courthouse Lane, Chelmsford, MA 01824 USA
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