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标题: 大家看看这是什么东西？ [打印本页]

作者: lucky.lu 时间: 2006-11-23 14:58
标题: 大家看看这是什么东西？
[attach]30118[/attach] 大家看看这这是什么东西？在综合布线当中干什么用的？

作者: ziong1979 时间: 2006-11-23 15:21
我叫它光纤转换器。光纤进入TX口。RJ45口连出网线接入交换机，一般用在长距离的光纤链路与交换机的连接上。

作者: xiayibo 时间: 2006-11-23 16:40
楼主在大马路上捡得吧！

作者: Max-Alex 时间: 2006-11-24 09:19
拜托2楼不懂不要乱讲!这是75欧转120欧的转换器,统属讲就是双绞线转E1线.通讯上会用到!

作者: ymlxyz 时间: 2006-11-24 10:05
是G.703平衡非平衡转换器.楼主是同行。

作者: ainy 时间: 2006-11-26 20:13
呵呵其实说是RJ45－BNC转换器更好理解些RJ45：120 Ohm balanceBNC:75 Ohm  unbalance

作者: z13311391977 时间: 2006-11-27 01:35
RJ45-BNC很少用了

[此贴子已经被作者于2006-11-27 1:37:16编辑过]

作者: nmxydk123 时间: 2006-11-28 15:09
学习了

作者: 岳丰布线 时间: 2006-11-28 15:14
比较老了哇。

作者: datouyu81 时间: 2006-12-1 14:43
疯了，我路过的，没看到

作者: 鹏哥 时间: 2006-12-1 18:06
受教了

作者: tws2000 时间: 2006-12-5 10:59
RJ45-BNC

作者: lucky.lu 时间: 2006-12-11 15:36
<span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: "Times New Roman"; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">MQT703<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-family: "Times New Roman";">是一种<span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: "Times New Roman"; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">G.703<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-family: "Times New Roman";">平衡到不平衡转换器，它解决了<span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: "Times New Roman"; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">75ohm<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-family: "Times New Roman";">铜轴到<span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: "Times New Roman"; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">120ohm<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-family: "Times New Roman";">双绞线的信号转换问题。使用<span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: "Times New Roman"; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">MQT703<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-family: "Times New Roman";">，用户只需使用普通<span lang="EN-US" style="FONT-SIZE: 12pt; FONT-FAMILY: "Times New Roman"; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA;">120ohm<span style="FONT-SIZE: 12pt; FONT-FAMILY: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA; mso-ascii-font-family: "Times New Roman"; mso-hansi-font-family: "Times New Roman"; mso-bidi-font-family: "Times New Roman";">双绞线就能完成铜轴硬件间的信号通信。

作者: huhanjin24 时间: 2006-12-11 15:48
学习

作者: cszcsz1357 时间: 2007-5-24 13:50
路过..看看..

作者: kxd98 时间: 2007-5-24 18:28
路过。看看

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