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又一项高科技通信产品问世最近，邮电部眉山通信设备厂向市场推出了将光传输、数字复用、数据传输、音频话路、光缆终端、数字配线等集于一机的高科技通信产品─—ＧＤ／ＭＦ３４ＨＬ－ⅢＥ型和ＧＥ／ＭＦ３４ＨＬ－ⅢＥ型系列光通信设备。该设备特别适合本地网程控交换中...
The advent of another high-tech communications products Recently, the Ministry of Posts and Telecommunications Meishan Communications Equipment Factory to the market launch of optical transmission, digital multiplexing, data transmission, audio channel, optical cable terminals, digital wiring, etc. set in a high-tech communications Products ─ ─ GD / MF34HL-Ⅲ E-type and GE / MF34HL-Ⅲ E-series optical communications equipment. The device is particularly suitable for local network controlled exchange ...