The method offers valuable applicable effects in cable characteristic test and fault diagnostics.
该方法在电缆特性测试和故障诊断等技术中具有较高的应用价值。
The media converters have local LED diagnostics for fiber optic cable connection and proactive alarming enhance reliability.
媒体转换器利用LED诊断器对光纤电缆连接进行诊断并做出提前预警，增强可靠性。
The DC test, which is an effective means for the diagnostics of oil impregnated paper insulated cable, is still used even now, but it is ineffective and harmful for the plastic insulated cable.
直流电压试验作为一种对油浸纸绝缘电缆非常有效的方法应用至今，但它对塑料绝缘电缆是无效而且有害的。
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