欧美视频第一页_乱伦电影影音 _五月丁香久久无码精品_国产精品久久久久AV免费看_韩日性爱的视频_亚洲虐女在线观看_最新黄色无码网站免费观看入口_91视频网久久久_岛国片在线观看极品尤物_国产强挺视频_人妻爱爱网_变态另类爽_啪啪www_日韩中文字幕视频在线_岛国入口

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

E1-60PCM Multiplexer

Type:FCC-E2O60/FCC-E2S60 Message

Description:2E1 to 60*Voice converter;

Product Description
     This device is 1U High which provides telephone outputs 60 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 2*E1 leased lines used in computer networking this equipment can be rented at the E1 line opened a few line 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;

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

◆   Voice port support FXS/FXO/2 wire audio interfaceFXO port connect to PBXFXS port connect to user side telephone.

◆   60*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;
◆   Support Console manager and SNMP agent manager inside
◆   Multiple power mode options: AC220V DC-48V/DC+24V etc
Technical Parameters
◆   E1 Interface
Interface Standard: comply with protocol G.703;
Interface Code: HDB3;
E1 Impedance: 75Ω (unbalance) 120Ω (balance);
Jitter tolerance: In accord with protocol G.742 and G.823
Allowed Attenuation: 0~6dBm
Interface Rate: n*64Kbps±50ppm;
◆   FXS Phone Interface
Ring voltage: 75V
Ring frequency: 25HZ
Two-line Impedance: 600 Ohm (pick up)

Return loss: 40 dB

◆   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: 0dB 
Two/Four-line Impedance: 600 Ohm
Return loss: 20 dB
◆   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

Network Application

 

DataSheet Download
?