Model JPX-379 High Density Main Distributing Frame
Model JPX-379 main distributing frame absorbs structural advantages of Alcatel RDS series main distributing frame with compact size. Not only the overall dimension is in compliance with the specification issued by the Ministry of Information Industry, but also each vertical column can extend to its super capacity of 1500 lines, which is specially adaptable to MDF market in China. The four-stage warning signal system features digital display with sound and light. The total warning signal panel can be mounted directly onto the measuring stand. The interface is used for parallel data output and meets the development of integrated control of switch room. The height of Model FA8-229 vertical column security assembly is only 220 mm with hundred line assembly warning display and each line security unit warning display. The assembly can turn to right for 180 degree to fasten external line cable and after reset, it can fasten jumper and insert or pull security unit on the front. The reliable twin fastening reeds are used for cut-over and stand-by. The near-end 220 V contact test proves both A and B lines can carry 40A current safely. The height of Model ST0—219 horizontal column test wiring assembly is only 90 mm. It can turn up 180 degree along its horizontal axis to set as fastening internal line cable and after reset, it can fasten jumper on the front. It separates internal line from external lines by cut-off piece. The transparent dustproof of the assembly is beautiful and it can insert record paper for prompting and maintenance. The reliable twin fastening reeds are used for cut-over and stand-by.
The Model FA9-309 security unit is self-reset, which uses Polyswitch high molecular heat sensitive resistance as over-current element while flat gas discharge tube as over-voltage element. It has unique FS fault protection function and unit warning light display. This unit can prevent from any reverse insertion mistake.
