Fiber Optic Communication Links
Product Code: TT1
Description: Fiber Optic Communication Links
Fiber Optic Communication Links
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