Communications Specialties FIBERLINK XRD-8050 User Manual - Page 4

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Introduction

The FIBERLINK XRD-8050 is a fiber optic transceiver designed to implement a

digital master/local data bus for traffic signal controller networks using

CALTRANS 170 or 179 series, or NEMA style controllers. The transceiver is

normally connected in a "daisy-chained" linear multidrop configuration mounted

external to the controller. A rack mountable version, the XRD-8050/RK is also

available for use in an MCR-2000 universal card cage enclosure.

The XRD-8050 is fully compatible with EIA standard RS-232 and will accommo-

date any duty cycle or code format. In addition, a user adjustable anti-streaming

time-out feature is included as well as an internal back-up battery (in the stand-

alone version) for continuous operation during a loss of prime operating power.

The XRD-8050 contains signal indicator LEDs for continuous monitoring of all

data transmitting and receiving functions.

Technical Specifications

System Protocol ............................................. EIA RS-232

System Data Rate .......................................... DC to 100 Kb/s, Asynchronous

Optical Loss Budget ...................................... 62.5u MM Fiber, 0-15 dB

Transmitter Launch Power (Typical) ............ 850 nm MM, 40 uw (-14 dBm)

Receiver Sensitivity (Typical) ....................... 850/1300 nm, 1uw (-30 dBm)

Operating Opitcal Wavelength ...................... 850 nm or 1300 nm

Optical Connectors ........................................ Multimode, ST

Anti-Streaming Timeout Range .................... 4,8,16,32 or 64 seconds

Operating Temperature Range ...................... -37 to +74 degrees, Celcius

Battery Backup Operating Interval................ 12 hours

GENERAL INFORMATION

8/10u SM Fiber, 0-17 dB

1300 nm MM, 40 uw (-14 dBm)

1300 nm SM, 60 uw (-12 dBm)

Single mode, ST or FCPC