High-capacity modularized voice optical fiber transmission series can implement the transmission of multiple E1, two channels of 100M Ethernet ports and 192 channels of voice via one optical fiber. It can be extensively used in public network of operators or special networks of power, finance, transportation and police for optical fiber access of Ethernet service and high-capacity voice service, such as “Every Village Telephone Connection Open Project of China Telecom”.
1、The mainframe provides standard frames of 4U and19 inches; it provides 15 slots, among which 2 for power, 1 for optical card, 12 for service card; the service card can adopt voice card or E1 interface card as per requirements;
2、The optical card provides 1 optical port and 2 switched Ethernet ports; Ethernet port can support a rate of 100M, and support 10/100M, semi- /full-duplex and adaptive port modes and VLAN protocol;
3、E1 service card can implement one channel of standard G.703 E1 and support a resistance 75 Ω or 120 Ω;
4、The voice card can support 16 channels of voice. The voice adopts PCM coding and a bandwidth of 64 kbps; it can support polarity reversal and caller ID display;
5、The equipment can support AC220V or DC-48V (optional) and support hot standby of double powers.