Ge Security Fiber Optic Audio Transmitters And Receivers

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GE Security Fiber Optic Audio Transmitters and Receivers Overview Standard Features The B727A and B7727A series high performance broadcast grade fiber transmission system supports four High Quality Audio (HQA) channels. The all-digital processing platform features 24-bit audio processing. • Four two-way audio channels transmitted over one single mode or one multimode fiber • 24-bit audio processing • Coarse Wavelength Division Multiplexer (CWDM) technology • 90 dB audio SNR • <0.003% THD • 20 Hz 20 kHz frequency response • Balanced or unbalanced audio • 13 dB multimode optical budget • 18 dB single mode optical budget • Built-in 1.0 kHz test generator • Built-in optical power meter CWDM Technology The units use Coarse Wavelength Division Multiplexer (CWDM) technology to maximize operating distance capabilities. Selectable Audio Levels For added flexibility, dual range audio levels for the four audio channels can be configured for -10 dB to +8 dB operation. Built-in Diagnostics Eight multi-segment LED displays provide for complete monitoring of audio input and output levels and the received optical signal. When switched to the test mode on the receiver, the front panel LEDs have the capability to display the received optical level. This built-in test feature aids in the installation process as it easily measures the actual optical loss in the fiber run from the transmitter. Two-Way, 4-Channel Audio B727A and B7727A Specifications GE Security Audio Channels Input Signal Level Input Impedance Frequency Response Output Signal Level Output Impedance Audio Sampling Rate Signal-to-Noise Ratio Total Harmonic Distortion Test Signal U.S. T (561) 998-6100 T 888-GE-SECURITY 888-(437-3287) F 561 998 6224 Canada T 519 376 2430 F 519 376 7258 Asia T 852-2907-8108 F 852-2142-5063 B727A (Multimode) Optical Mode Optical Budget∗ Emitter Wavelength Operating Distance∗∗ Modulation Type Gain Control Australia T 61-3-9239-1200 F 61-3-9239-1299 Europe T 32-2-719-9847 F 32-2-719-9846 Latin America T 305-593-4301 F 305-593-4300 Electrical Input Power Power Consumption Current Requirement Power Factor Protection www.gesecurity.com © 2005 General Electric Company All Rights Reserved B7727A (Single Mode) 4 duplex -10 dBm to +8 dBm or 0 dBm to +18 dBm 600 ohms or 30k ohms balanced or unbalanced 20 Hz to 20 kHz 8 dBu or 18 dBu max. <30 ohms unbalanced, <60 ohms balanced 48 kHz 90 dB <0.003% 1 kHz @ 5 dBu Multimode 13 db Single Mode 18 db Laser 1310 and 1330 nm 3.7 mi (6.0 km) 1310 and 1330 nm 28 mi (45 km) Digital Optical Automatic Gain Control 13.5 VDC regulated 24 W 1.8 A 15 Solid-state short circuit protection Environmental Operating Temperature Maximum Humidity Mechanical Dimensions Weight Construction -40 to 167 °F (-40 to 75 °C) 95% relative, noncondensing 4 slots (4.0“) 2.5 lbs (1.13 kg) Aluminum Related Diagram Receiver In/Out Transmitter 4 Audio 4 Audio In/Out Optical Fiber Ordering Information Use the Configurator below to select the options available for this product. B727A - RSTL Receiver Receiver Product Type T Transmitter R Receiver B7727A Product Type T Transmitter R Receiver -R Connector Type FC FC Type ST ST Type ∗ Optical Budget based on 62.5 μm fiber, for 50/125 μm fiber subtract 3 dB. ∗∗ Operating distance is approximate and assumes best fiber. It will be affected by the type and number of splices in the fiber. Refer to update No. TB00-005, which can be found at www.gesecurity.com As a company of innovation, GE Security reserves the right to change product specifications without notice. For the latest product specifications, visit GESecurity online at www.GESecurity.com or contact your GE Security sales representative. B727A-2006-09-2 imagination at work