国产AV中文字幕,人人操天啪,中国性爱一区,真人成人免费在线

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
?
haw.net.cn| 久久精品国产第一区| 超碰AV二区| 操 熟女 不卡| 永久一区二区三区免费视频| 天天干网址| 国产国拍亚洲精品永久尤物| 国产写真人体在线视频| 欧美一级精品大片| 国产剧情国产精品一区| 国产日韩黄片在线看| 亚洲无码 人妻中出| 在线直接观看你懂的| 亚洲国产精品无码一区二区久久久 | 免费黄片久久久久久| 日本黄色小视频伊人| 无码专区激情精品| 极品销魂一区二区三区| 精品熟女60老妇av免| 婷婷涩五月综合| 日韩黄片播放器| 日韩精品自拍视频| 亚洲欧美日韩性爱一区精品| 看一级大黄片视频| 国产午夜精品一区二区三区软件| 久久观看丝袜美腿国产综合久久| 综合美女在线| 日本乱伦网| 四虎地址8848| av伊人久久国产| 雪白的老熟妇| 成人精品一区二欧美区| 亚洲国产中文蜜臀| 日韩老女人| 欧美丰满熟妇欲乱高清视频| 日韩精品欧美一区二区| 三P免费视频| 欧美三日本三级少妇三99| 少妇人妻无码| 中文字幕在线无码加勒比| 黄色成人看片高清在线观看|