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Manual de usuario Black Box, modelo AC455A-TX-R2

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. 19 5.2 Calling Black Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 5.3 Shipping and Packaging. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 5 FIBER LINK 1. Specifications Video Signal Video Direction—TX>RX Number of Video Channels—One Standards Supported—Monochrome: EIA and CCIR; Color: NTSC, PAL, SECAM Video Input Signal—1.0 V p-p nominal composite video Input Impedance—75 . Video Output Signal—1.0 V p-p nominal composite video, unity gain, ±2% Output Impedance—75 . Signal-to-Noise Ratio—>54 dB at maximum optical attenuation Video Bandwidth—10 Hz to 10 MHz Video Resolution—800 TV lines Differential Phase—<3° Differential Gain—<3% Tilt—0° Input Coupling—Capacitative Output Coupling—Sync tip clamped Video Interconnection Recommended Maximum Distance—Video Equipment to AC455A-TX-R2: <100 ft. (30 m); AC456A-RX-R2 to Video Equipment: <100 ft. (30 m) Recommended Cable Type—RG59 “U” cable (part number ETN59-BNC) Video Termination—The last video component in the video line must be terminated with 75 .. 6 FIBER LINK Control Data Signal Data Directions—Control: RX>TX; Response: TX>RX Data Formats—All major up-the-coax formats, including American Dynamics, Baxall, Burle, Elbex (sync and control), Panasonic® (PTZ and VD2), Pelco™, Robot, Sensormatic, VCS format, Vicon™, Videoalarm™, and others. Detection Area—In even fields, the control signal is imposed on lines 8 through 19. In odd fields, the control signal is imposed on lines 9 through 20. Pulse Amplitude—50 mV to 2 V Genlock Sync Signal Sync Direction—RX>TX Detection Area—Can be imposed on all lines outside the control area Sync Amplitude—Up to 6 V Optical Wavelength—850 and/or 1300 nm Optical Mode—Multimode Optical Budget—13 dB minimum Operating Distance at 850 nm—Operating distance is approximate, and will be affected by the type and number of splices in the fiber and by the exact type of fiber used. Maximum: 10,000 ft. (3048 m) Emitter Type—LED Fiber Size—62.5 . Modulation Type—Frequency modulation Gain Control—Fully automatic (AGC) Transmitter Launch Power—> -17 dBm (1300 nm) Transmitter Sensitivity—< -27 dBm (850 nm) Receiver Sensitivity—< -26 dBm (1300 nm) 7 FIBER LINK Receiver Launch Power—> -14 dBm (850 nm) Agency Compliance Emissions—FCC Part 15; ICES-003 (Canada); AS/NZS 3548 (Australia/NZ); CE EN55022; CE EN50082-1, including EN61000-4-2 ESD, EN61000-4-3 Radiated Immunity, EN61000-4-4 Electrical Fast, Transient Burst (EFT) Immunity, EN61000-4-5 Power Surge Immunity, EN61000-4-6 Conducted Disturbances Immunity, EN61000-4-11 Voltage Dips, Short Interruptions and Voltage Variations Immunity—ENV50204 Radiated, Pulsed Magnetic Field Immunity Product Safety—No standards required, since the Fiber Link is DC-powered by SELV (Safety Extra-Low Voltage) Controls Alarm Disable—Removable jumper on receiver cards LEDs Video In (bicolor)—Shows presence of good video signal Level/Loss (bicolor)—Shows presence of good optical signal COMMAND—Shows activity on PTZ control channel RESPONSE—Shows activity on response channel SYNC—Shows activity on genlock channel Connectors Signal Input—Optical: ST®; Video: BNC Signal Output—Optical: ST; Video: BNC Power Input—Standalone units: 3-pin detachable screw terminal connector; Rack units: Direct rack connection 8 FIBER LINK Electrical Input Voltage—AC455A-TX-R2: 12 to 16 VAC, 12 to 14 VDC; AC456A-RX-R2: 13.5 to 16 VDC Input Power Frequency—50 to 60 Hz Current Requirement—AC455A-TX-R2: 300 mA; AC456A-RX-R2: 380 mA Power Consumption—6 W Heat Equivalent—0.3 BTU/min., 0.09 cal/min. NOTE The heat equivalent represents the conversion of all input power to heat. The actual heat generated will be less. Environmental Temperature—Operating: 32 to 122°F (0 to 50°C); Storage: -40 to +185°F (-40 to +85°C) Mechanical Enclosure—Transmitter: 4 x 4 (10 x 10 cm); Receiver: 501R Construction—Aluminum enclosure with black semigloss paint finish Mounting Method—(4) No. 6 (3-mm) screws Size—AC455A-TX-R2: 1.2"H x 4.6"W x 4.7"D (3 x 11.7 x 11.9 cm), including connectors; AC456A-RX-R2: 1.2"H x 6.3"W x 9.8"D (3.2 x 16.2 x 24.9 cm), including connectors Weight—AC455A-TX-R2: 0.7 lb. (0.3 kg); AC456A-RX-R2: 1.6 lb. (0.7 kg) 9 FIBER LINK 2. Introduction 2.1 Description The Fiber Link supports the transmission of video from a camera to a monitoring station and a data signal back to the camera over one multimode fiber. A single coaxial cable at each end of the link is used to connect the appropriate equipment to the system. In up-the-coax systems, video signals travel in one direction and control signals travel in the other direction for full-duplex operation. Video is transmitted from the camera back to the control center over coaxial cable. In conventional coax systems, signals travel in only one direction at a time. Control signals to operate the pan-tilt-zoom (PTZ) functions are transmitted from the control station out to the receiver/driver at the camera station. The Fiber Link is a single-fiber link...