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TTL Modems

Product catalog summary

Overview: This document outlines the technical specifications and operational details for various TTL to Fiber Optic Modems and related products by S.I. Tech, Inc. It covers models such as 2805, 2806, 2816, 2856, 2867, and others, detailing their configurations, data rates, and applications.

1. Product Specifications:

DIP Model 2805: A TTL-to-Optical Bit-Driver® Transmitter with a data rate of DC to 20 Mbps NRZ, featuring a metal 24-pin DIP configuration and SMA connector.
DIP Model 2806: An Optical-to-TTL Bit-Driver® Receiver with similar specifications to Model 2805 but in a 40-pin DIP configuration.
Model 2816: Supports one-way or two-way high-speed TTL communication with data rates from 100 Kbps to 50 Mbps, available in multimode or single mode.
Model 2856: Designed for asynchronous simplex or full duplex communication with a maximum data rate of 20 Mbps, featuring LED indicators for power, transmit, and receive data.

2. Multiplexers:

Model 2006: A fiber optic transmitter/receiver pair with optional TTL interface, capable of operating up to 6500 ft. with suitable fiber optic cable.

3. Transmission Line Interface:

Operating distance depends on optical fiber core diameter and cable's optical attenuation. A table provides suitable cables for various data rates.

4. Applications:

These products are used in military systems, instrumentation, and process control, providing reliable data transmission over long distances.

5. Ordering Information:

Includes model numbers and power supply options for different configurations, highlighting product flexibility and adaptability.

Specifications:

Fiber Size and Attenuation: Fiber sizes of 50, 62.5, and 10 microns with attenuation rates of 3.0, 4.0, and 1.0 dB/Km respectively.
Operating Distances: Vary based on wavelength (850, 1300, 1550 nm) and fiber type, ranging from 2000 meters to 12000 meters (6600 feet to 40000 feet).
Model Specifications: Each model has specific features such as the number of channels, type of connectors (ST, SMA), and power requirements.

Procedures:

Connection Instructions: Detailed instructions for connecting optical transmission lines to the T and R receptacles, emphasizing correct channel connections.

Standards and Compliance:

All models meet FCC requirements of Class A, Part 15 Computing Devices Standard, and are UL listed.

Recommendations:

Power Supply Recommendations: Power Supply #2121 (110VAC to 9 VDC) is recommended for all models in the USA, with optional supplies for 230VAC and 5VDC applications.

Key Data from Tables:

Fiber Optic Cable Distances: Tables provide detailed distances for different fiber sizes and wavelengths, crucial for determining the appropriate setup for specific applications.

Critical Information:

Operating Temperature: Most models operate between 0°C to 50°C, with optional extended temperature ranges for certain models.
Power Consumption: Models have varying power consumption rates, with some requiring up to 1.5W max.

Specifications for Model 2867:

Operation Mode: Asynchronous, simplex or full duplex, 20 Mbps.
Input/Output Interface: RS-422/TTL, 3 channel system with terminal blocks and BNC connectors.
Transmission Line Interface: 6 ST connector fiber optic receptacles with an FC Option for single mode.
Transmitter Output Power: 30 microwatts into 50 micron fiber.
System Wavelength: 820 nanometers with a 1300 nm option.
Minimum Sensitivity: 3 microwatts at 820 nanometers with less than 10 bit error rate.
Operating Temperature: 0°C to 50°C.
Input Power: 85-260VAC, 50/60Hz, 10W.
Enclosure: 1U 19" rack, dimensions 17"W x 1.75"H x 7.5"D, weight 5 lbs (2.3 kg).

Compliance: Meets FCC Requirements of Class A, Part 15 Computing Device Standard, UL listed, RoHS compliant.

Application Details: The Model 2867 is designed for high-speed data communication using fiber optics, providing three independent channels for data and clock signals. It includes built-in switches for switching channels between TTL and RS-422 inputs.

Transmission Distances:

62.5 Micron Fiber: 5000 meters (16000 feet).
50 Micron Fiber: 5000 meters (16000 feet).
10SM Fiber: 20000 meters (65000 feet).

Connection Instructions: Connect the optical transmission line to the T and R receptacles, ensuring correct channel connections by noting cable imprints.

Contact Information: For application engineering assistance, contact S.I.Tech at 630-761-3640 or visit their website.

Catalog excerpts

TTL to Fiber Optic Modems 06/28/14 USA & International Headquarters 1101 N. Raddant Road Batavia, IL 60510 Phone: (630) 761-3640 Fax: (630) 761-3644 Web Site: http://www.sitech-bitdriver.com ©2014 S.I. Tech, Inc. All Copy and Images

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S.I. Tech Inc., Batavia, IL 60510 Phone: (630) 761-3640 Fax: (630) 761-3644 Web Site: http://www.sitech-bitdriver.com

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S.I.TECH TTL PRODUCTS 1. Point to Point: HOST COMPUTER TTL PORT FIBER OPTIC S.I.TECH 2856 HOST COMPUTER S.I. Tech Inc., Batavia, IL 60510 Phone: (630) 761-3640 Fax: (630) 761-3644 Web Site: http://www.sitech-bitdriver.com

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S.I.TECH TTL TO FIBER OPTIC BIT-DRIVERS® DIP MODEL 2805 Metal 24 pin DIP configuration TTL-to-Optical Bit-Driver® Transmitter Data Rate is DC to 20 Mbps NRZ Connection is by solder pads or DIP socket Package size is 1.2x0.75x0.37 inches SMA Connector Metal 40 pin DIP configuration Optical-to-TTL Bit-Driver® Receiver Data Rate is DC to 20 Mbps NRZ Connection is by solder pads or DIP socket Package size is 2.0x1.12x0.37 inches SMA Connector One way (T & R) or Two way (Full Duplex) High Speed TTL Miniature Units Flange Mounting Data rate from 100 Kbps to 50 Mbps Multimode or Single mode Rack Mount...

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4 CH TTL or RS-422 Data rate to 20 Mbps Triax and BNC Connectors 1U high rack 19” Military Systems, Instrumentation Asynchronous Simplex or Full Duplex Optical Bit-Driver® Max Data Rate is 20 Mbps Supports 50 or 75 ohm coax Power, Transmit Data, and Receive Data LED indicators Unmounted Circuit Card configuration TTL-to-Optical BitDriver® Transmitter-Receiver. Data Rate is DC to 20Mbps NRZ Connection is to solder pads in 16 pin DIP configuration Card size is 3¾ x 3 inches with 2.4 x 2.55 inch mounting centers. Multimode is standard, Single mode optional 3 Channel RS422 and TTL Switchable Input...

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Model 2805 TR/2806 REC Fiber Optic Transmitter/Receiver Pair S.I.Tech offers complete links including fiber optic cable, connectors, cable assemblies, and Bit-Drivers. OPERATING DISTANCE FOR FIBER OPTIC CABLE Fiber Size Attenuation Distance Distance (Microns) dB/Km Meters Feet 62.5 50 Computer CPU Process Equipment DTE: Data Terminal Equipment DCE: Data Communication Equipment Computer CPU Process Controller OPTICAL TRANSMITTER Output Power at 100 mA LED Current: 10 microwatts (-20 dBm) into 50 micron fiber. Output power is pin selectable over a 10 dB range Wavelength: 820 nanometers Emitter...

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TRANSMISSION LINE INTERFACE Operating distance is dependent upon optical fiber core diameter and the cable's optical attenuation. The table below indicates three cables that may be used at any data rate. These cables are available in connectorized assemblies to meet the exact configuration of your application. High Speed TTL to Fiber Optic Transmitter/Receiver S.I.Tech offers complete links including fiber optic cable, connectors, cable assemblies, and Bit-Drivers®. Operating Distance for Fiber Optic Cable SYSTEM Transmission: Up to 6500 ft. (2 Km) with suitable graded index fiber optic cable...

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Model 2816-16R-T & 2816-16R-R High Speed TTL to Fiber Optic Transmitter/Receiver - 16 Channel TRANSMISSION LINE INTERFACE Operating distance is dependent upon optical fiber core diameter and the cable's optical attenuation. The table below indicates three cables that may be used at any data rate. These cables are available in connectorized assemblies to meet the exact configuration of your application. S.I.Tech offers complete links including fiber optic cable, connectors, cable assemblies, and Bit-Drivers®. S.I.Tech #2816-16R-T & R can be used as 16 TTL channels with 16 fibers or using WDM,...

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TTL to Fiber Optic Transmitter/Receiver SYSTEM Transmission: Up to 6500 ft. (2 Km) with suitable graded index fiber optic cable or 10 Km using single mode fiber Typical Bit Error Rate: Better than 10 -9 ELECTRICAL SIGNAL INPUT/OUTPUT FOR TRANSMITTER AND RECEIVER Format: TTL Connector: BNC Data Rate: Up to 20Mbps Input Impedance: TTL levels 10 KΩ Output Impedance: TTL levels into 50Ω Input Power: 8 to 15VDC 250mA Max. Optional 5VDC@150mA TRANSMISSION LINE INTERFACE Operating distance is dependent upon optical fiber core diameter and the cable's optical attenuation. The table below indicates three...

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TRANSMISSION LINE INTERFACE Operating distance is dependent upon optical fiber core diameter and the cable's optical attenuation. The table below indicates three cables that may be used at any data rate. These cables are available in connectorized assemblies to meet the exact configuration of your application. High Speed TTL to Fiber Optic Transmitters S.I.Tech offers complete links including fiber optic cable, connectors, cable assemblies, and Bit-Drivers®. Model 2820 consist of 2 850nm or 1310nm transmitters, or 850nm and 1310nm TR. Power Consumption: 150mA (50% Duty Cycle) Transmission: Up...

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TRANSMISSION LINE INTERFACE Operating distance is dependent upon optical fiber core diameter and the cable's optical attenuation. The table below indicates three cables that may be used at any data rate. These cables are available in connectorized assemblies to meet the exact configuration of your application. High Speed TTL to Fiber Optic Receivers S.I.Tech offers complete links including fiber optic cable, connectors, cable assemblies, and Bit-Drivers®. Model 2821 consist of 2 850nm or 1310nm Receivers or 850nm and 1310 receiver. Operating Distance for Fiber Optic Cable Transmission: Up to...

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Model 2856 TTL to Fiber Optic Bit-Driver S.I. Tech Model 2856 is designed to convert TTL data to a light signal so that information can be transmitted over fiber optics. At the remote end, another 2856 will convert this data from light to TTL format. S.I.Tech Bit-Driver Asynchronous Optical Operation Mode: Asynchronous, simplex or full duplex, 20 Mbps Input/Output Interface: TTL, 50 or 75 ohm coax. BNC bulkhead jack Transmission Line Interface: 2 ST fiber optic receptacles (SMA option) Transmission Distance: See distance chart Transmitter Output Power: 30 microwatts into 50 micron fiber Wavelength:...

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TTL Modems

TTL Modems

Catalog excerpts

All S.I. Tech, Inc. catalogs and technical brochures