Beijing Stable Cinda 30-way telephone FXS / FXO turn 2MPCM Fuyongshebei integrated AC / DC optional

The device can provide up to 30 channels telephone through a pair or a single fiber, 2 wire-speed 100M shared Ethernet channel can also provide 4 E1 interface can also be used E1 channel to transmit 30 channels telephone. If necessary, the telephone interface can also be replaced with 2/4 wire audio, E & M, magnet, carrier, hotline, RS485, RS422 and so on. The device without any configuration, power up and use, easy maintenance, to provide users with a low-cost, efficient and simple voice and data integrated access solutions. II. ? The main function of the device has both PDH and PCM transmission function integrated access function; standard 19-inch 1U chassis design, shape simple, elegant use; scale integrated chip, simple circuit, stable and reliable; optical interface:??? SC, FC optional, single and double fiber optional; 2M Interface:? 75 ohm unbalanced BNC connector; provides two-way sharing of wire-speed 100M Ethernet interface +4 E1 + 30-channel telephone; modular design, plug?? style structure, more flexible interface combinations; have a sound alarm and status indicator; power environment:?? DC-48V or AC 220V III. ? Technical Specifications 3.1 Optical Interface Line Code: 1B1H line code rate:? 155MHZ Fiber Type:? 1310nm single-mode optical transmit power:?? -3 ~ -12dBm (LED) Receiving sensitivity: -36dBm (10-11 BER ) Fiber Optic Connector Type:? FC (or SC optional) Transmission distance:? Normal 20Km (farthest reach 120Km) 3.2 E1 interface Interface rate:? 2.048Mb / s ± 50ppm, in line with ITU-T Recommendations G.703 ? Interface Pattern: HDB3 code input impedance:? 75 ohm unbalanced interface types:? BNC interfaces 2. ? 3.3 100M Ethernet Interface rate: 100% of line rate, 100Mbit / s; Interface protocols:? Comply with IEEE-802.3u standards; Interface Type:? RJ-45; port mode:? 10 / 100M adaptive; 3.4 sessions ? Interface Interface Type: automatic (FXS), exchange (FXO), magnet (RD), E / M (4W) Voice sampling frequency:?? 8KHz Audio Interface Specifications: a impedance characteristics:. 600Ω balanced (two / four-wire) b-level four-wire audio input level:. -5dBr allowable deviation ± 1dB four-wire audio output level: -5dBr tolerance ± 1dB wire audio transmission level: 0dBr tolerance ± 1dB wire audio reception level: -3dBr allowed deviation ± 1dB 3.5 RS232 interface Interface Rate: High Speed ??Interface ≤115Kbit / s; low-speed interfaces ≤19200bit / s Interface Type:? V.28; work:??? DCE; Interface Type: RJ-45; Electrical Characteristics:? accord ITU-T V-Series Recommendations and other relevant recommendations 3.6 AC power supply conditions: AC220V (AC180V ~ 240V); DC:?? DC-48V (DC-36V ~ -72V); Power:? ≤10W 3.7 work environment? Operating temperature: 0 ℃ ~ 50 ℃; Storage temperature:? -40 ℃ ~ + 70 ℃; Relative humidity:? 5% to 95% non-condensing; Atmospheric pressure:? 86 ~ 106Kpa; 3.8 Dimensions 1U19 inch: 430mm ×? 280mm × 44mm