论文部分内容阅读
1.设备品牌的选择,应遵循的原则是系统结构要尽量简单,特别是做比较大型的系统,尽量选用厂家推出时间长,质量稳定成熟的产品系列,功能不必追求太过复杂。楼层解码设备和中继设备,选用有隔离功能的比较好。2.室外信号线缆线径不宜太小,线型应选用屏蔽线,其中单端接地的情况下,屏蔽层在线的接头处一定要处理好,要保证屏蔽层从头到尾是连通的,否则效果适得其反。如距离较
1. The choice of equipment brand, should follow the principle that the system structure should be as simple as possible, especially for larger systems, try to use the product manufacturers to launch a long time, stable quality and mature product line, the function does not have to pursue too complicated. Floor decoding equipment and relay equipment, the use of isolated function is better. 2. Outdoor signal cable diameter should not be too small, the line should be used shielded cable, which single-ended grounded case, the shield at the line connector must be handled properly, to ensure that the shield is connected from start to finish, or The effect is counterproductive. Such as distance