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四川省邮电科研所研制成功高十二路载波电话设备在全国推广应用以后,又组织力量研制了超24路设备,并已投入使用。现在又取得了明线超12路载波电话设备新成果,于1984年9月17日至18日通过基层鉴定。超12路设备利用高12路以上频谱传输,与高12路、12路等设备配合,可以将一对明线上开通的话路数增加到40条,可经济有效的增加通信能力,提高通信企业的经济效益。
After the success of the research and development of Sichuan Posts and Telecommunications Scientific Research Institute of 12th Road high-speed carrier telephone equipment in the country after the promotion and application of organizational strength developed a super-24-way equipment, and has been put into use. Now it has made a new achievement of the Ming Line Super 12 carrier telephone equipment and passed the grassroots appraisal from September 17 to September 18, 1984. Super 12 road equipment using more than 12 high-frequency spectrum transmission, and high 12, 12 and other equipment with, you can open a pair of open voice channel number increased to 40, can be cost-effective to increase communication capabilities and improve the communication enterprise Economic benefits.