国产97超级碰碰视频,日本色色色色色视频视频,东京热波多野结衣无码专区,亚洲最大色图偷拍视频,强奸乱伦系列一区,久草手机电影天堂

Hello, Welcome to FCTEL Technology Co.,Ltd
National service hotline:+086 0571-87007055/56/57 CN

WE ONLY FOCUS ON TRANSMISSION AND ACCESS

Products center

E1-30PCM Multiplexer

Type:FCC-O30/S30 Message

Description:E1-30 * telephone19\'\'inch 1U Support 6U rackmount SNMP

Product Description
              This device is 1U there 6U rack card type which provides telephone outputs 30 Equipment electrical part for the whole digital circuits machine reliability stability low power consumption high integration small size easy installation and maintenance. Many customers are telecommunications operators E1 leased lines used in computer networking this equipment can be rented at the E1 line opened a few road phone you can make free calls between headquarters and branch offices of this.
Functional Properties

◆   based on proprietary integrated circuits;

◆   alarm status can be monitored on the end;

◆   E1 interface complies with G.703 all-digital clock recovery and smooth phase-locked technology;

◆   support FXO voice port FXS ports and ports EM2 / 4 audio interface FXO port and PBX docking port

      and the user is connected to FXS telephone;

◆   30 road voice access support caller ID function and reverse polarity billing functions;

◆   Support Telephone Number mutual function of each site;

◆   E1 signal can be detected as a barrier to the end device is lost or shut E1;

◆   multiple power mode options: AC220V DC-48V / DC24V etc;

Technical Parameters

◆   E1 Interface

    Interface Standard:      comply with protocol G.703;
    Interface Rate:             n*64Kbps±50ppm;
    Interface Code:            HDB3;

    E1 Impedance:             75Ω (unbalance) 120Ω (balance);

    Jitter tolerance:            In accord with protocol G.742 and G.823

    Allowed Attenuation:   0~6dBm

◆   FXS Phone Interface

    Ring voltage: 75V

    Ring frequency: 25HZ

    Two-line Impedance: 600 Ohm (pick up)

    Return loss: 40 dB

u  FXO Switch Interface

    Ring detect voltage: 35V

    Ring detection frequency: 17HZ-60HZ

    Two-line Impedance: 600 Ohm (pick up)

    Return loss: 40 dB

◆    EM 2/4 Line

    AD: 0dB

    DA: -3.5dB

    Two/Four-line Impedance: 600 Ohm

    Return loss: 20 dB

◆   Power

    Power supply: AC180V ~ 260V；DC –48V；DC +24V

    Power consumption: ≤10W

◆   Dimension          

    Product Size:    Mini Type    216X140X31mm(WXDXH)

                          19inch       485X200X45mm(WXDXH)

    Simple packaging:  mini   274X193X84mm(WXDXH)

                            19inch    522X198X82mm(WXDXH)

    Piece Weight :    mini 1KG / 19inch  2.4KG

 ◆   Working environment

    Working temperature: -10°C ~ 50°C
    Working Humidity:        5%~95 % (no condensation)

    Storage temperature:   -40°C ~ 80°C
    Storage Humidity:         5%~95 % (no condensation)

 

 

 

 

 
Application Scheme

Applications

DataSheet Download
?
巴东县| 晋宁县| 马鞍山市| 屏东市| 固安县| 宁强县| 古蔺县| 建昌县| 佛坪县| 新民市| 德州市| 聂拉木县| 台北市| 山西省| 霍州市| 寿光市| 波密县| 裕民县| 逊克县| 蚌埠市| 义乌市| 宽城| 郧西县| 临安市| 南靖县| 洪雅县| 鄄城县| 巴林右旗| 阿图什市| 康定县| 高台县| 瑞昌市| 通化县| 方城县| 福清市| 蓝山县|