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监控安装中有关POE供电原理和8芯网线是如何分配工作的?

监控安装中有关POE供电原理和8芯网线是如何分配工作的?

随着POE供电技术不断的成熟,POE在监控系统中的应用也慢慢的得到了普及。那么POE交换机究竟是如何工作的,一根网线8芯线到底有哪几芯用来供电哪几芯用来传输信号的呢?今天就跟大家来探讨一下POE供电技术和8芯网线之间的秘密。

poeJIAOHUANGONGDIANSHI,WANGLUODUANLEYIXINHOUZENMEBAN?JIEMIPOEGONGDIANMIMI,DANGNINDEWANGXIANYOUYIXINDUANDESHIHOU,ZHEIPIANWENZHANGDUININDEBANGZHUJIUHUITIXIANCHULAI。

BIAOZHUNDEWULEIWANGXIANYOUSIDUISHUANGJIAOXIAN,DANSHIZAI10MBASE-THE100M BASE-TZHONGZHIYONGDAOQIZHONGDELIANGDUI。IEEE80 2.3afYUNXULIANGZHONGYONGFA:

一、应用空闲脚供电时4、5脚连接为正极,7、8脚连接为负极。

XIATUWEILIYONGKONGXIANXIAN(4,5,7,8)CHUANDI48VDEDIANYUAN。

TUYI

TUER

二、利用信号线(1,2,3,6)同时传递数据信号和48V的电源。

YINGYONGSHUJUJIAOGONGDIANSHI,JIANGDCDIANYUANJIAZAICHUANSHUBIANYAQIDEZHONGDIAN,ZAIZHEIZHONGFANGSHIXIAXIANDUI1、2HEXIANDUI3、6KEYIWEIRENYIJIXING。CHUANSHUSHUJUSUOYONGDEXINXIANSHANGTONGSHICHUANSHUZHILIUDIAN,QISHUDIANCAIYONGYUYITAIWANGSHUJUXINHAOBUTONGDEPINLV,BUYINGXIANGSHUJUDECHUANSHU。

TUSAN

BIAOZHUNBUYUNXUTONGSHIYINGYONGYISHANGLIANGZHONGQINGKUANG。DIANYUANTIGONGSHEBEIPSEZHINENGTIGONGYIZHONGYONGFA,DANSHIDIANYUANYINGYONGSHEBEIPDBIXUNENGGOUTONGSHISHIYINGLIANGZHONGQINGKUANG。GAIBIAOZHUNGUIDINGGONGDIANDIANYUANTONGCHANGSHI48V、13WDE。PDSHEBEITIGONG48VDAODIDIANYADEZHUANHUANSHIJIAORONGYIDE,DANTONGSHIYINGYOU1500VDEJUEYUANANQUANDIANYA。

下面谈一下1000M BASE-T POE 供电系统

TUSI

TUWU

TULIU

TUQI

1000M BASE-T POE GONGDIANXITONG 4GEXIANXUDUIJUNCHUANSHUSHUJU,GUWUKONGXIANDUI, JUNCAIYONGSHUJUDUIGONGDIAN,TULIU,1JIAOHE2JIAO、3JIAOHE6JIAOTONGGUOWANGLUOBIANYAQIJINXINGDIANYA、XINHAODEFENPIN、FENLICHULAIDEDIANYALIANJIEDAOQIAOSHIZHENGLIUJINXINGZHENGLIUGONGDIAN,RUTUBA

TUBA

YISHANGTAOLUNDESHIPOE adapter GONGDIANMOSHI,DIANXINGDEPOE adapter RUXIATU

TUJIU:POE adapter

LINGYIZHONGSHITONGGUOPOEGONGDIANJIAOHUANJIGONGDIAN


TUSHI:POEGONGDIANJIAOHUANJI


TUSHIYI:POEJIAOHUANJIGONGDIANSHIYITU



协商供电

DANGZAIYIGEWANGLUOZHONGBUZHIPSEGONGDIANDUANSHEBEISHI,POEYITAIWANGGONGDIANGONGZUOGUOCHENGRUXIASUOSHI。

1、 JIANCE: YIKAISHI,PSESHEBEIZAIDUANKOUSHUCHUHENXIAODEDIANYA,ZHIDAOQIJIANCEDAOXIANLANZHONGDUANDELIANJIEWEIYIGEZHICHIIEEE802.3afBIAOZHUNDESHOUDIANDUANSHEBEI。

2、PDDUANSHEBEIFENLEI: DANGJIANCEDAOSHOUDIANDUANSHEBEIPDZHIHOU,PSESHEBEIKENENGHUIWEIPDSHEBEIJINXINGFENLEI,BINGQIEPINGGUCIPDSHEBEISUOXUDEGONGLVSUNHAO。

3、KAISHIGONGDIAN: ZAIYIGEKEPEIZHISHIJIAN(YIBANXIAOYU15μs)DEQIDONGQINEI,PSESHEBEIKAISHICONGDIDIANYAXIANGPDSHEBEIGONGDIAN,ZHIZHITIGONG48VDEZHILIUDIANYUAN。

4、GONGDIAN: WEIPDSHEBEITIGONGWENDINGKEKAO48VDEZHILIUDIAN,MANZUPDSHEBEIBUYUEGUO15.4WDEGONGLVXIAOHAO。

5、DUANDIAN: RUOPDSHEBEICONGWANGLUOSHANGDUANKAISHI,PSEJIUHUIKUAISUDI(YIBANZAI300~400mZHINEI)TINGZHIWEIPDSHEBEIGONGDIAN,BINGZHONGFUJIANCEGUOCHENGYIJIANCEXIANLANDEZHONGDUANSHIFOULIANJIEPDSHEBEI。



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