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| GL3274资料 | |
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GL3274 PDF Download |
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File Size : 116 KB
Manufacturer:LG Description:Figure 1 is a simplified block diagram of a subscriber line protection that is mainly used so far. This shows two different things : sA primary protection located on the Main Dis- tribution Frame (MDF) eliminates coarsely the high energy environmental disturbances (light- ning transients and AC power mains distur- bances) for which the ITU-T-K20 requires a 4kV 10/700 µs test. This can be assumed either by gas-tubes or silicon protection such as the TLPxxM. sA secondary protection located on the line card eliminates finely the remaining transients that have not been totally suppressed by the first stage. The ITU-T-K20 requires a 1 kV 10/700 µs test. At this stage, the protection is managed by the CLP30-200B1. |
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| 1PCS | 100PCS | 1K | 10K | ||
| 价 格 | |||||
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型 号：GL3274 厂 家：LG 封 装： 批 号： 数 量：405 说 明：Bid Price |
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运 费： 所在地： 新旧程度： |
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| 联系人：刘先生，罗小姐，刘小姐，刘先生，王先生 |
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