VAD D222A.L1 數位式2視頻 + 2雙向音頻 + 2雙向數據光電轉換器
特性

􀂾 >使用獨特且優異的數位編/解碼技術
􀂾 >連續高溫(75℃)工作測試72小時以上，適合高溫工作環境使用
􀂾 >內建完整指示燈號，使用者可立即判斷2路視頻、2路雙向音頻、
􀂾   2路雙向數據的輸出/輸入狀態及光纖連線狀態，易於安裝、測試與維護
􀂾 >具備內部數據轉換功能，適合不同數據格式相互通信之應用
􀂾 >音頻與數據訊號之輸出/輸入均使用旋壓式端子台，免焊接，易於安裝
􀂾 >機殼面板標示清晰，可避免訊號特性、格式與極性等錯接狀況發生
     >數據格式分配：RS232x1、RS422或RS485x1

★★★★商品說明★★★★
VAD-D222A.L1 Digital 2V + 2 duplex Audio + 2 duplex Data Digital 2 Video + 2 duplex Audio + 2 duplex Data Transmission Over 1 Fiber Features   Unique and distinctive, excellent video signal encoding and decoding   Continuous high operating temperature (+75°C) testing lasts for 72 hours, suitable for application in high temperature working environment   Complete function LEDs helps the operator to easily judge the input/output signal conditions of the 2 video, 2 audio and 2 data and the optical linking status, thus facilitates to install, test and maintain the system   2 data signals: RS232x1、RS422 or RS485x1   Internal data convert function to save expenses from additional data converters, suitable for different data signals’ communication in between   Terminal plug with screw clamps for audio and data interfaces’ easy installation   User friendly with clear connection interface printing on equipment panel to prevent from linking mistake of the signal feature, signal format and positive/negative electrode, etc. Application   CCTV system with multifunction requirements   Multi data signals/formats transmission   Media audio transmission   Long distance teaching program   　 　 Video   Video Channel：2   Input/Output Impedance：75   Input/Output Level：1Vp-p nominal   Encoding：Uncompressed 9 bits   Bandwidth：5Hz to 8MHz @ -3dB   Signal to Noise Ratio：＞65dB   Differential Gain：＜0.8%   Differential Phase：＜0.6°   Video Connector：BNC Audio   Audio Channel: 2, duplex   Input/Output Impedance: 600, Balanced or Unbalanced   Input/Output Level: 1Vp-p, before Letter Level amplifier   Encoding: Uncompressed 24 bits   Bandwidth: 10Hz to 20KHz   Signal to Noise Ratio: ＞75dB   Audio Connector: Terminal Plug with screw clamps Data   Data Channel: 2, duplex   Data Interface: RS232x1, RS422 or 2-wire RS485x1, supports Manchester, Bi-phase in either direction   Date Rate: DC to 500Kbps   Bit Error Rate: 1 x 10-9   Data Connector: Terminal plug with screw clamps Optical   Optical Fiber: 1-fiber   Optical Wavelength: 1310 / 1550nm   Forward (Tx) Output Power: ＞-3dBm   Forward (Rx) Sensitivity: ＜-26dBm   Reverse (Rx) Output Power: ＞-3dBm   Reverse (Tx) Sensitivity: ＜-26dBm   Optical Link Budget: ＞23dB   Transmission Distance: 45km@single mode; 3km@multi mode   Optical Connector: ST Physical   Power Requirement：9~12VDC, 400mA operational   Indicators:   -Transmitter: Power, Optical link ok, Video 1 Input ok, Video 2 Input ok, Audio 1 I/O, Audio 2 I/O, RS232 I/O, RS422 I/O, RS485 I/O   -Receiver: Power, Optical link ok, Video 1 output ready, Video 2 output ready, Audio 1 I/O, Audio 2 I/O, RS232 I/O, RS422 I/O, RS485 I/O   Dimensions (mm): Standalone: 168W x 138D x 53.3H; Card: 2-slot, 50Wx100Dx162H   Weight: 0.9kg (standalone); 0.27kg (card)   Operating Temperature: -20°C~+75°C   Relative Humidity: 0~95%, non-condensing   　 　 Ordering information   VAD D222A.L1.T.35 Digital 2-channel video transmitter + 2-channel duplex audio transceiver + 2-channel duplex data transceiver, card   VAD D222A.L1.TC.35 Digital 2-channel video transmitter + 2-channel duplex audio transceiver + 2-channel duplex data transceiver, box   VAD D222A.L1.R.35 Digital 2-channel video receiver + 2-channel duplex audio transceiver + 2-channel duplex data transceiver, card   VAD D222A.L1.RC.35 Digital 2-channel video receiver + 2-channel duplex audio transceiver + 2-channel duplex data transceiver, box       Note: card type requires chassis and power supply
★★★★商品規格描述★★★★
訂購資訊 VAD D222A.L1.T.35     數位式2視頻發射+2雙向音頻+2雙向數據光電轉換器, 卡式 VAD D222A.L1.TC.35  數位式2視頻發射+2雙向音頻+2雙向數據光電轉換器, 獨立式 VAD D222A.L1.R.35     數位式2視頻接收+2雙向音頻+2雙向數據光電轉換器, 卡式 VAD D222A.L1.RC.35  數位式2視頻接收+2雙向音頻+2雙向數據光電轉換器, 獨立式 提示: 卡式光電轉換器需插入VAD專用機箱