H&L Instruments

Model 550 Fiberoptic Controller
FiberLoop System

The Model 550 Fiberoptic Controller is a cost effective solution for implementing a Supervisory Control and Data Acquisition (SCADA) network. The Model 550 Controller features include:

Self-healing and automatic re-routing of traffic in the event of fiber cuts or transceiver failures.
Multiple Model 550 Controllers can be configured for redundancy
Compatibility with the Model 552 fiberoptic transceiver
Supports networks of up to 254 transceivers linked in loop or radial LANS
Plug-in optical module options for up to 53 miles between substations
Four DCE half duplex EIA-232 ports with alarm output available on port 4
Smart microprocessor-based circuitry for enhanced network automation
Built-in optical power meter, watchdog timer, and scrolling alphanumeric display for field diagnostics

Model 552 Fiberoptic Transceiver
FiberLoop System

The Model 552 Fiberoptic Transceiver is a rugged and reliable solution that is self-healing and provides automatic re-routing in the event of a fiber cut or transceiver failure. The Model 552 features:

Support for networks of up to 254 transceivers linked in loop or radial LANS
Accommodates up to four RTUs per transceiver
Compatibility with the Model 550 fiberoptic controller
Plug-in optical module options for up to 53 miles between substations
Smart microprocessor-based circuitry for enhanced network automation
Built-in optical power meter, watchdog timer, and scrolling alphanumeric display for field diagnostics

Model 550 Fiberoptic ControllerFiberLoop System

Model 552 Fiberoptic TransceiverFiberLoop System

Model 550 Fiberoptic Controller
FiberLoop System

Model 552 Fiberoptic Transceiver
FiberLoop System