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Voice broad band multiplexing optical fiber transmission series can implement 4 channels of E1, 2 channels of 100M Ethernet, 2 channels of serial ports and 32 channels of voice service in optical fiber. It can be extensively used in public network of operators or special networks of power, finance, transportation and police for integrated access of voice, data and image.
1、It provides 4 E1 ports, and E1 resistance can support 75 Ω balanced or 120 Ω unbalanced resistance, and E1 can be used for special channel access for voice and video.
2、switched Ethernet ports provide 100M bandwidth. The ports can provide 10M/100M, semi-duplex/full-duplex and adaptive Ethernet port modes;
3、The voice adopts PCM coding and a bandwidth of 64 kbps; it can support polarity reversal and caller ID display and support hotline;
4、It can support 2 serial ports, which can support RS232/422/485 adaptive for a rate less than 115.2K;
5、The equipment supports double power versions of AC220V and DC48V.
