由四川省邮电科研所承担设备研制生产和建设的广州——株州超二十四路载波电路已于八四年十二月底全线开通。该电路是广州铁路局的重要铁路通信线路。线路全长673,04公里,其中广州——03站25.7公里采用HEQ-252-7×4×1.2地下电缆,约相当于250公里明线衰耗;03站——株州明线全长647.34公里,有七个增音站(英德、韶关、坪石、郴州、耒阳、衡阳、衡山)。线路采用新8A式交叉、2线位、3.00mm铜线;03站——广州采用本所生产的两套高十二路基群转接成超二十四路方式。进局引入设备按原来低十二路未变,原来 By the Sichuan Provincial Posts and Telecommunications Research Institute to undertake the development and production of equipment production and construction of Guangzhou - Zhuzhou Super Twenty-four carrier circuit has been opened in late December 1984. This circuit is an important railway communication line of Guangzhou Railway Bureau. The line length of 673,04 km, of which Guangzhou - 03 station 25.7 km using HEQ-252-7 × 4 × 1.2 underground cable, equivalent to about 250 km off the line; 03 Station - Zhuzhou Ming line a total length of 647.34 km, There are seven increasing stations (Yingde, Shaoguan, Pingshi, Chenzhou, Shenyang, Hengyang, Hengshan). Line uses the new 8A cross, 2 lines, 3.00mm copper; 03 station - Guangzhou produced by the two sets of high-12 road group transfer into super twenty-four way. Into the introduction of equipment by the original low twelve unchanged, the original