GA»Æ½ð¼×

´Ó³ß¶Èµ½Â䵨£ºÍòÕ×Ô°Çø £¬Ñ¡ÒÔÌ«²Ê¹â Ø­ ¡¶ÍòÕ×Ô°ÇøÒÔÌ«²Ê¹â×êÑл㱨¡·¼¼Êõ×êÑлá
date
Ô¤Ô¼Ö±²¥
AIʱÆÚ £¬Ò½ÁÆÍøÂçÔõô½¨ Ø­ GA»Æ½ð¼×Ò½ÁƼ«¼òÒÔÌ«²Ê¹âË«³¬ÈÚºÏÍøÂç½â¾ö¹æ»®°ä²¼
date
Ô¤Ô¼Ö±²¥
GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾
²úÆ·
< ·µ»ØÖ÷²Ëµ¥
²úÆ·ÖÐÐÄ
²úÆ·
½â¾ö¹æ»®
< ·µ»ØÖ÷²Ëµ¥
½â¾ö¹æ»®ÖÐÐÄ
ÐÐÒµ
ºÏ×÷ͬ°é
·µ»ØÖ÷²Ëµ¥
Ñ¡ÔñÇøÓò/˵»°
GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾

Äú¶©ÔĵIJúÆ·ÓиüР£¬Çëʵʱ²éÔÄ

²é¿´ÏêÇé
GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾ GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾

RG-S2900G-PϵÁл¥»»»úPoE¼¼Êõ½âÎö

PoE¼¼ÊõĿǰÒÑ¿í·ºÀûÓÃÔÚ¸÷Àà±ØÒªPoE¹©µçµÄ³¡¾°ÖÐ £¬²¢ÇÒPoE¼¼ÊõÒ²¿í·ºÀûÓÃÔÚÁËGA»Æ½ð¼×ÍøÂ绥»»»úÉÏ £¬´Ó°ÙÕ×É豸µ½Ê®ÍòÕ×¼¶´ËÍâÖ÷ÌâÉ豸¾ùÖ§³ÖPoE¼¼Êõ¡£GA»Æ½ð¼×ÍøÂçǧÕ×½ÓÈ뻥»»»úRG-S2900E-PϵÁÐÊÇÒ»¿îÖ§³ÖPoEºÍPoE+¼¼ÊõµÄ½ÓÈëǧÕ×½ÓÈ뻥»»»ú £¬Äܹ»Âú×ãÆóÒµÓû§ÎªPoEÖն˹©µçºÍÊý¾Ý´«ÊäµÄ±ØÒª¡£

  • GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾

    °ä²¼¹¦·ò£º2014-09-10

  • GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾

    µã»÷Á¿£º

  • GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾

    µãÔÞ£º

·ÖÏíÖÁ

GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾
GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾
GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾

ÎÒÏëÆÀÂÛ

PoE¢ÙÒÔÌ«Íø¹©µç £¬Ö¸µÄÊÇͨ¹ý100BASE-TX¢Ú¡¢1000BASE-T¢ÛÒÔÌ«ÍøÍøÂ繩µç £¬Æä¿¿µÃסµÄ×î´ó¹©µç¾àÀëΪ100Ã×£»Í¨¹ýPoE¹©µçϵͳ £¬Äܹ»ÔÚÏÖÓÐÒÔÌ«ÍøÎåÀàÏß¡¢³¬ÎåÀàÏߺÍÁùÀàÏß²¼Ïß»ù´¡ÉÏΪIPµç»°¡¢ÎÞÏßAP¢Ü¡¢ÍøÂçÉãÏñ»ú¡¢»ùÓÚIPµÄÖն˵ȴ«ÊäÊý¾ÝÐźŵÄͬʱÌṩµçÔ´ £¬Ê¹ÕâЩÉ豸²»ÔÙ±ØÒªË¼¿¼ÊÒÄÚµçԴϵͳµÄ²¼ÏßÎÊÌâ £¬½µµÍÁËÕâЩÉ豸µÄ²¼Ï߸´ÔӶȺͳɱ¾¡£

ÓÉÓÚPoE¹©µçϵͳÓÐͳһµÄ³ß¶ÈIEEE 802.3af £¬Òò¶øÖ»ÓÐÊÇÇкϸó߶È £¬·ÖÆç³§¼ÒµÄÉ豸ÔÚͨÓÃÐÔ·½ÃæÃ»ÓÐÎÊÌâ¡£

ƾ¾ÝIEEE802.3af³ß¶È £¬Ò»¸öÆëÈ«µÄPoEϵͳÔ̺¬¹©µç¶ËÉ豸PSEºÍÊܵç¶ËÉ豸PDÁ½²¿ÃÅ£»¹©µçÉ豸PSEÊÇÕû¸öϵͳµÄµçÔ´ÌṩÕß £¬ÎªPDÉ豸ÌṩֱÁ÷µçÔ´ £¬Æä¿É·ÖΪMidspanºÍEndpointÁ½ÖÖ´ó¾Ö £¬²¢ÇÒ²»ÂÛPSEѡȡÄÄÖÖ´ó¾Ö £¬PSE¹©µçϵͳֻÄÜѡȡÏßÀµÄ4¶Ô²î·ÖÏß¶ÔÖеÄ2¶Ô²î·ÖÏß¶ÔÏòPDÊܵçÉ豸ÌṩֱÁ÷µçÔ´ £¬¼´Ö»ÄÜѡȡÐźÅÏß¶Ô»ò¿ÕÏÐÏß¶ÔÏòPDÉ豸½øÐй©µç £¬³ß¶È½ç˵ΪAlternative A£¨ÐźÅÏß¶Ô£©ºÍAlternative B£¨¿ÕÏÐÏß¶Ô£©¡£

¶ÔÓÚPDÉ豸½ç˵ÈçÏ£ºPoE¹©µçϵͳÖеÄÊܵçÉ豸 £¬ÖØÒªÊÇIPµç»°¡¢ÎÞÏßAP¡¢ÍøÂçÉãÏñ»ú¡¢»ùÓÚIPµÄÖն˵ÈÉ豸¡£

Ä¿Ç°ÍøÂ罨ÉèÕßÃÇÖØÒªÑ¡È¡µÄÊÇEndpoint´ó¾ÖµÄPoE¹©µç £¬ÆäPSEÖ°ÄÜÔÚ»¥»»»úÄÚ £¬Ñ¡È¡ÐźÅÏß¶Ô»ò¿ÕÏÐÏß¶ÔÏòPDÉ豸½øÐй©µç £¬¼´Alternative A£¨ÐźÅÏß¶Ô£©ºÍAlternative B£¨¿ÕÏÐÏß¶Ô£©¡£
Ò»¸öÆëÈ«µÄPoE¹©µç¹ý³ÌÃèÊöÈçÏ£º

1. ¼ì²â¹ý³Ì£¨detection£©£º¸ÕÆðÍ·µÄʱ³½ £¬PSEÉ豸ÔÚ¶Ë¿ÚÖ»ÊÇÊä³öºÜÓ׵ĵçѹ £¬ÓÃÓÚ¼ì²âÆäÏßÀÂÖÕ¶ËÏνӵÄPDÊܵçÉ豸ÊÇ·ñΪIEEE802.3af³ß¶ÈÖ§³ÖµÄÊܵçÉ豸 £¬Ö»Óмì²âµ½PDÊܵçÉ豸ÊÇÒ»¸ö³ß¶ÈÉ豸 £¬²Å»á³ÖÐø½øÐÐÏÂÒ»²½µÄ²Ù×÷¡£

 2. PD¶ËÉ豸·ÖÀࣨClassification£©£º¼ì²âµ½PDÖ®ºó £¬ PSE¿ÉÄÜ»áΪPDÉ豸½øÐзÖÀà £¬²¢ÇÒÆ¾¾Ý ·ÖÀàµÄÁ˾ÖÌṩÏàÓ¦µÄ¹¦ÂÊ £¬Æ¾¾ÝIEEE802.3af³ß¶È £¬PSEÌṩµÄ¹¦ÂʺÍPD»ñµÃµÄ¹¦ÂʱðÀë¼û±í1¡¢±í2£»

3. ÆðÍ·¹©µç(Power up)£ºµ±PSE¼ì²âµ½ÏßÀ½áβ½ÓµÄÊÇÒ»¸ö³ß¶ÈPD £¬²¢ÇÒÒѾ­ÎªPD½øÐÐÁË·ÖÀàºó £¬¾ÍÆðͷΪPD¹©µç £¬Êä³ö44~57VµÄÖ±Á÷µçѹ¡£¶øÈôÊÇPSE¼ì²âµ½ÏßÀÂÖն˽ӵÄÊÇIEEE802.3af²»Ö§³ÖµÄPDÉ豸 £¬Ôò²»»á¸ø¸ÃÉ豸¹©µç £¬Ö»¹Ü¸ÃÉ豸ÊǽÓÔÚÓµÓÐPoEÖ°ÄܵĻ¥»»»úÉÏÃæ £¬ÕâÖÖÇé¿öÏ £¬ÏßÀÂÉÏûÓеçѹ´æÔÚ¡£

4. ¹©µç£¨Power supply£©£ºPSEΪPDÉ豸Ìṩ²»±ä¿¿µÃסµÄ44~57V V Ö±Á÷µçѹ £¬²¢Æ¾¾ÝPDµÄ·ÖÀàÁ˾ÖÊä³ö×î´ó²»³¬¹ý15.4WµÄ¹¦ÂÊ¡£

5. ¶Ïµç£¨Disconnection£©£ºÈôÊǺÍPDÏàÁ¬µÄÏνÓÏßÀ±»°Îµô»òÕßÓû§´ÓÈí¼þ´ó½«»¥»»»ú¶Ë¿ÚµÄPoE¹©µçÖ°ÄܹعØ £¬PSE»á¼±¾çµØ(ͨ³£ÔÚ300-400msµÄ¹¦·òÖ®ÄÚ)ÖÕ³¡ÎªPDÉ豸¹©µç¡£

6. ÔÚPSE¸øPD¹©µçÕû¸ö¹ý³ÌµÄËÁÒâʱ¿Ì £¬ÈôÊDzúÉúPDÉ豸¶Ì·¡¢class nʱ¿÷ËðµÄ¹¦Âʳ¬¹ýPSE¶ÔÓ¦ÄÜÌṩµÄ¹¦ÂÊ¡¢¿÷Ëð¹¦Âʳ¬¹ý12.95WµÈÇé¿ö £¬ÔòÕû¸ö¹©µç¹ý³Ì»áÖжÏ £¬²¢³ÁдӵÚÒ»²½¼ì²â¹ý³ÌÆðÍ·¡£

GA»Æ½ð¼×ÍøÂçÖ§³ÖPoEÖ°ÄܵĻ¥»»»úÌṩÁ˶àÖÖ¶àÑùµÄ±£»¤¸öÐÔ £¬ÔÚPD²úÉúÒ쳣ʱÄܺܺõı£»¤»¥»»»ú £¬¾ßÌåµÄ±£»¤¸öÐÔÈçÏ£º

1.¶Ì·±£»¤£ºµ±PDÉ豸²úÉú¶Ì·ʱ £¬PSE¼ì²âµ½ÏßÀÂÉϵĵçÁ÷³¬¹ý450mA £¬Ö´ÐжÌ·±£»¤Ö°ÄÜ £¬ÖÕ³¡¸øPDÉ豸¹©µç £¬µ«ÊÇÕâÖ®ºó £¬PSE»á³¢ÊÔןøPD¹©µç £¬Ö±µ½PDÉ豸¸´Ô­Õý³£ºó £¬³ÁиøPDÉ豸¹©µç¡£

2. PoE¹ýÔØ£ºclass n PDÉ豸¿÷ËðµÄ¹¦ÂʼÓÉÏÏß·ËðºÄµÄ¹¦Âʳ¬¹ý¶ÔÓ¦class n PSEÄÜÌṩµÄ×î´ó¹¦ÂÊʱ £¬»á²úÉú¹ýÔØ £¬ÕâÊÇPSEÖÕ³¡¸ø¸ÃPDÉ豸¹©µç £¬ÔÚÖÕ³¡¹©µçºó £¬PSE»á³¢ÊÔ¸øPD¸´Ô­¹©µç £¬Ö±µ½PSEÊä³öµÄ¹¦ÂÊÄÜÂú×ãPDËù±ØÒªµÄ¹¦Âʺó £¬¸´Ô­Õý³£¹©µç¡£

3. ¹ýα£»¤£º¶ÔÓÚһ̨֧³Ö48¿ÚPoEÖ°ÄܵĻ¥»»»úÀ´Ëµ £¬PSEÄÜÌṩµÄPoE¹¦ÂÊ×î´óΪ£º15.4*48=739.2W £¬É¢ÈÈÁ¿¼«¶È´ó £¬¶ÔÉ¢ÈÈϵͳҪÇó±ÈÁ¦¸ß £¬µ±·¢³¯Æø·¿¿Õµ÷²»ÔìÀä»òÕßPoE»¥»»»ú×ÔÉíµÄÉ¢ÈÈϵͳ³öÏÖÎÊÌâʱ £¬ÓпÉÄÜ»áʹPoE»¥»»»úµÄζȽϸß £¬µ±´ïµ½Ä³Ò»Î¶Èʱ £¬PSEÖÕ³¡¹©µç £¬Ö±µ½Î¶ȽµÂäµ½ÁíһζÈʱ £¬PSE¸´Ô­¹©µçÖ°ÄÜ¡£

4. ¹ýѹ±£»¤£ºµ±PDÉ豸Ôڸߵ͵çʱ¿ÉÄܲúÉú½Ï¸ßµÄ˲±äµçѹ £¬µ¼ÖÂÏνÓÏßÀÂÉϵĵçѹ½Ï´ó¶ø°Ü»µPSE  £¬Òò¶øÔÚÿ¸ö¶Ë¿ÚÓйýѹ±£»¤µç· £¬µ±Ë²±äµçѹ´ïµ½68Vʱ £¬¹ýѹ±£»¤µç·Æð×÷Óà £¬¶Ë¿Úµçѹ±»Ç¯ÔìÔÚ48V £¬´ïµ½¹ýѹ±£»¤µÄÖ÷ÕÅ¡£Ñ¡Ôñ68VµÄÔ­ÒòÊÇ£ºPSEµÄ×î´ó¹¤×÷µçѹΪ57V £¬×î´ó¾ø¶Ô¶î¶¨ÖµÎª68V¡£

5. ÀËÓ¿µçÁ÷±£»¤£ºÆ¾¾ÝIEEE802.3af³ß¶È £¬ÔÚÀËÓ¿µçÁ÷Ϊ400mA—450mAʱ £¬PSE½«ÖжÏPDµÄ¹©µç £¬Òò¶øÖ»¹ÜÔÚÔ¶¶ËPDÉ豸¸ßµÍµçʱÓпÉÄܲúÉú½Ï´óµÄÀËÓ¿µçÁ÷ £¬µ«Ò»µ©³¬³öÀËÓ¿µçÁ÷µÄ±£»¤ÁìÓò £¬PSE½«ÖÕ³¡¶ÔPDÉ豸¹©µç¡£

ʵÏÖÓPoE¼¼ÊõĿǰÒÑ¿í·ºÀûÓÃÔÚ¸÷Àà±ØÒªPoE¹©µçµÄ³¡¾°ÖÐ £¬²¢ÇÒPoE¼¼ÊõÒ²¿í·ºÀûÓÃÔÚÁËGA»Æ½ð¼×ÍøÂ绥»»»úÉÏ £¬´Ó°ÙÕ×É豸µ½Ê®ÍòÕ×¼¶´ËÍâÖ÷ÌâÉ豸¾ùÖ§³ÖPoE¼¼Êõ¡£GA»Æ½ð¼×ÍøÂçǧÕ×½ÓÈ뻥»»»úRG-S2900E-PϵÁÐÊÇÒ»¿îÖ§³ÖPoEºÍPoE+¼¼ÊõµÄ½ÓÈëǧÕ×½ÓÈ뻥»»»ú £¬Äܹ»Âú×ãÆóÒµÓû§ÎªPoEÖն˹©µçºÍÊý¾Ý´«ÊäµÄ±ØÒª¡£

¢Ù PoE£ºPower Over Ethernet £¬ÒÔÌ«Íø¹©µç

¢Ú 100BASE-TX£º100Mbps´«Êä¿ìÂʺÍ̸

¢Û 1000BASE-T£º1000Mbps´«Êä¿ìÂʺÍ̸

¢Ü AP£ºWireless Access Point £¬ÎÞÏß½Ó¼û½ÓÈëµã

ÓйرêÇ©£º

GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾ GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾

µãÔÞ

¸ü¶à¼¼Êõ²©ÎÄ

ÈκαØÒª £¬ÇëÁªÏµGA»Æ½ð¼×

GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾

·µ»Ø¶¥²¿

ÊÕÆð
GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾ ÎĵµAI¸±ÊÖ
GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾ ÎĵµÆÀ¼Û
ev-close ev-close-m
¸Ã×ÊÁÏÊÇ·ñ½â¾öÁËÄúµÄÎÊÌâ £¿
ev-close ev-close-m
Äú¶Ôµ±Ç°Ò³ÃæµÄÖÐÒâ¶ÈÈôºÎ £¿
²»Õ¦µÎ
¼«¶ÈºÃ
dark-star dark-star dark-star dark-star dark-star
ev-close ev-close-m
ÄúÖÐÒâµÄÔ­ÒòÊÇ£¨¶àÑ¡£© £¿
Äú¶ÔÎĵµÊÇ·ñ»¹ÓÐÆäËüµÄÎÊÌâ»ò½¨Òé £¿
Ϊ¾¡¿ì½â¾öÎÊÌâ £¬ÇëÄúÁôÏÂÁªÏµ·½Ê½Òﱋȯ¸´
ÓÊÏä
ÊÖ»úºÅ
ev-bg
¸Ð¼¤ÄúµÄ·´À¡£¡
GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾
GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾
GA»Æ½ð¼×¡¤(Öйú¼¯ÍÅ)¹Ù·½ÍøÕ¾
ÇëÑ¡Ôñ·þÎñÏîÄ¿
¹Ø¹ØÕ÷ѯҳ
ÊÛǰÕ÷ѯ ÊÛǰÕ÷ѯ
ÊÛǰÕ÷ѯ
ÊÛºó·þÎñ ÊÛºó·þÎñ
ÊÛºó·þÎñ
¶¨¼û·´À¡ ¶¨¼û·´À¡
¶¨¼û·´À¡
¸ü¶àÁªÏµ·½Ê½
¡¾ÍøÕ¾µØÍ¼¡¿