Справочник Пользователя для Pelco FR85041
8
C1645M-A (9/06)
Product Overview
DESCRIPTION
The FT85041/FR85041 fiber transmitter and receiver provide the ability to transmit four unidirectional
composite video channels and one bidirectional data channel over one optical fiber (refer to Figure 1).
composite video channels and one bidirectional data channel over one optical fiber (refer to Figure 1).
Figure 1.
Four-Channel Video FT85041 Transmitter and FR85041 Receiver
with Bidirectional Data Channel
with Bidirectional Data Channel
Features of the FT85041/FR85041 fiber optic transmission system include the following:
•
8-bit digitally encoded video for high-quality multichannel video transmission over a single
fiber
fiber
•
Bidirectional data channel that supports RS-232, RS-422, RS-485 (2-wire/4-wire),
Manchester, and Bi-Phase communication
Manchester, and Bi-Phase communication
•
Wavelength division multiplexing (WDM), allowing video and data channels to be transmitted
in the same fiber using different wavelengths
in the same fiber using different wavelengths
•
Multimode fiber support for distances up to 2 km (1.2 mi)
•
Single-mode fiber support for distances up to 30 km (18.6 mi)
•
Exceeds all requirements for the RS-250C Medium-Haul Transmission specification
•
Compatible with NTSC, PAL, and SECAM video standards
•
Designed to meet NEMA TS 2 and Caltrans traffic signal control equipment standards for
ambient operating temperature, mechanical shock and vibration, humidity with condensation,
high-line/low-line voltage conditions, and transient voltage protection
ambient operating temperature, mechanical shock and vibration, humidity with condensation,
high-line/low-line voltage conditions, and transient voltage protection
NOTE:
Conformal coating is required for operation in environments with relative humidity
above 95% (condensing).
•
No performance adjustments required
•
12 VDC or 24 VAC power supply
•
Stand-alone and rack-mountable modular design
•
LED indicators for monitoring of signal status, laser status, data activity, and operating power
The FT85041 transmitter/FR85041 receiver is a Class 1 laser product that complies with FDA radiation
performance standard 21CFR Subchapter J and with IEC 60825-1 Edition 1.2, 2001-08.
performance standard 21CFR Subchapter J and with IEC 60825-1 Edition 1.2, 2001-08.
FOUR
VIDEO
OUTPUTS
FT85041
TRANSMITTER
FR85041
RECEIVER
FOUR
VIDEO
INPUTS
ONE
FIBER
DATA
DATA
C1645M-A.book Page 8 Wednesday, September 13, 2006 3:07 PM