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| Fiber Optic Communication Links
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Features - Various types of readily usable fibre-optic links up to 1km at various speeds up to 4Mbits/sec
- Links using plastic and glass fibre to suit varying user requirements
- Available at various standard wavelengths, including 660 & 880nm
- Custom-built Links to meet specific requirements
- Low power consumption
- Indigenously developed using state-of-the-art technology
- Low cost, compact and rugged
Applications - Basic fibre-optic link experiments in educational institutions, R&D establishments, Defence laboratories, etc.
- Point to Point digital communications
- Local area networks and computer to computer communications
- Links for industrial control and automation, especially in explosive, hazardous and noisy (EMI) environments
Specifications
FOTR-200 - 20 meter Fibre Optic Link The FOTR-200 consists of a transmitter module, receiver module and 20m of plastic fibre of 1000 micron diameter. The link operates at up to 4Mbits/sec at a wavelength of 660nm. | Transmitter | | | Type | DC coupled and intensity modulated | | Data rate | 0 to 4Mbits/sec for NRZ
0 to 2Mbits/sec for RZ | | Emission wavelength | 660nm | | Maximum optical power | >100 micronW | | Optical power level | Controlled by a multi-turn potentiometer | | | | | Receiver | | | Type | DC coupled | | Modulated optical data | 0 to 4Mbits/sec for NRZ | | Input rate | 0 to 2Mbits/sec for RZ | | | | | General | | | Link length | 20m | | Optical cable | 20m length, 1000 micron dia., low attenuation
Plastic fibre optic cable with snap on connectors | | Logic | | | - Electrical | TTL '1'
TTL '0' | | - Optical | Low power
High power | | Connector details | BNC for data
DIN for power | | Supply voltage | Transmitter - 9v DC, 80mA
Receiver - 9v DC, 50mA
| | | | | Physical | | | Dimensions (width x depth x height) | 80mm x 35mm x 50mm |
FOTR-300 - 1000 metre Fibre Optic Link The FOTR-300 consists of a transmitter module, a receiver module and 100m of 50/125 GI multimode glass fibre optic cable (loose jacketed). The operating wavelength is 880nm. The link operates up to 2km. The standard link is supplied with 100m of fibre cable. Links of greater lengths can be specially ordered. | Transmitter | | | Type | DC coupled and intensity modulated | | Data rate | 0 to 2Mbit/sec for NRZ
0 to 1Mbit/sec for RZ | | Maximum optical power | 50/125 GI fibre: 10micronW or -20dBm | | | | | Receiver | | | Nature | AC coupled with PIN silicon photo detector | | Modulated optical data | 0.05 to 2.0Mbit/sec for NRZ | | Input rate | 0.05 to 1.0Mbit/sec for RZ | | Sensitivity | -35dBm | | Features | AGC and derived latch enable | | | | | General | | | Operating wavelength | 880nm | | Cable length supplied | 100m (link is capable of operating up to 2km) | | Optical cable | 50/125 GI glass fibre. NA - 0.2 (loss - 3.0dBm/km) | | Data I/O | TTL compatible | | Logic | 1KOhms | | - Electrical | TTL '1'
TTL '0' | | - Optical | Low power
High power | | Connector details | | | - Optical | SMA | | - Electrical | BNC for data and DIN for power | | Supply voltage | Transmitter - 9v DC, 100mA
Receiver - 9v DC, 50mA & 9v DC, 30mA | | | | | Physical | | | Dimensions (width x depth x height) | Transmitter: 90mm x 40mm x 55mm
Receiver: 140mm x 40mm x 70mm |
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