Manuel d'utilisation / d'entretien du produit STACKT150CM du fabricant Cisco Systems
Aller à la page of 17
© 2012 Cisco and/o r its affiliates. All rights r eserved. This docu ment is Cisco Public Infor mation. Page 1 of 17 W hite Paper Cisco StackPower : Ef ficient Use of Power Introduction The Cisco Sta.
© 2012 Cisco and/o r its affiliates. All rights r eserved. This docu ment is Cisco Public Infor mation. Page 2 of 17 Cisco Stac kPower technol ogy immedia tely produces savings b y reducing the number of power supplies required per switch an d the numb er of outlets required i n the wiring cl oset.
© 2012 Cisco and/o r its affiliates. All rights r eserved. This docu ment is Cisco Public Infor mation. Page 3 of 17 Note that a ll power available in the power sta ck is co mbined i nto one si ngle large pool of po wer, and the stac k become s a large s ingle lo ad to the po wer pool (Figure 2 ).
© 2012 Cisco and/o r its affiliates. All rights r eserved. This docu ment is Cisco Public Infor mation. Page 4 of 17 Cisco Cata lyst 3750-X and 35 60-X Series Switches d o not cons ume more power than the res t of the Catal yst 3750 family of s witches, but th e power budget req uired is h igher.
© 2012 Cisco and/o r its affiliates. All rights r eserved. This docu ment is Cisco Public Infor mation. Page 5 of 17 Figure 4. Ring Topology Figure 5.
© 2012 Cisco and/o r its affiliates. All rights r eserved. This docu ment is Cisco Public Infor mation. Page 6 of 17 An XPS cable has a color b and on the cable end s as well, red o n one end and yellow on the o ther end. This c able can onl y be used to c onnect Cata lyst 3750-X or 3560 -X switch to an XPS.
© 2012 Cisco and/o r its affiliates. All rights r eserved. This docu ment is Cisco Public Infor mation. Page 7 of 17 Use Case for the Cisco StackPow er Feature Figure 6. Power Stack of Four Switches The following us e cases will help you unde rstand the Cisco Stack Power technology an d its mai n features.
© 2012 Cisco and/o r its affiliates. All rights r eserved. This docu ment is Cisco Public Infor mation. Page 8 of 17 Although the power stack in the example h as extra capaci ty that gets in the power pool, i t is not s ufficient to power the switch D an d PoE devices attached t o it.
© 2012 Cisco and/o r its affiliates. All rights r eserved. This docu ment is Cisco Public Infor mation. Page 9 of 17 “show env pow er all” SW PID Serial# Status Sys Pwr PoE Pwr Watts 1A NG3K-PW R.
© 2012 Cisco and/o r its affiliates. All rights r eserved. This docu ment is Cisco Public Infor mation. Page 10 of 17 A maximum of 8 400W i s possi ble in a po ol of power in a stack of four switches l oaded with two 1100W power suppli es each.
© 2012 Cisco and/o r its affiliates. All rights r eserved. This docu ment is Cisco Public Infor mation. Page 11 of 17 Figure 8. Power Share Mode In the fol lowing scenari o, the Cisc o StackPower tech nology aggreg ates three power supplies on four switche s (1100W + 1100W + 1100W + 0W = 3300W ).
© 2012 Cisco and/o r its affiliates. All rights r eserved. This docu ment is Cisco Public Infor mation. Page 12 of 17 Power Share “Strict” Mode The power sharing m ode has an inherent capabili ty to oversubsc ribe itsel f in case of power supply fai lures.
© 2012 Cisco and/o r its affiliates. All rights r eserved. This docu ment is Cisco Public Infor mation. Page 13 of 17 configu red, but it would not offline any power supply from the system. This action n eeds to be performed by an admini strator of the power stack.
© 2012 Cisco and/o r its affiliates. All rights r eserved. This docu ment is Cisco Public Infor mation. Page 14 of 17 Immedi ate load s hed occu rs when a failure could ca use the po wer stack to fai.
© 2012 Cisco and/o r its affiliates. All rights r eserved. This docu ment is Cisco Public Infor mation. Page 15 of 17 The table sh ows the default priorities used by Stack Power that can be overwritten by an admi nistrator.
© 2012 Cisco and/o r its affiliates. All rights r eserved. This docu ment is Cisco Public Infor mation. Page 16 of 17 Power supply slo ts are nam ed left to ri ght, that is , power supply sl ot A in on the left and p ower supply slot B i s on the right (closest to the edge of the switch).
© 2012 Cisco and/o r its affiliates. All rights r eserved. This docu ment is Cisco Public Infor mation. Page 17 of 17 The recomm endation i s to perform the calc ulation of required po wer in the pow.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Cisco Systems STACKT150CM c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Cisco Systems STACKT150CM - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Cisco Systems STACKT150CM, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Cisco Systems STACKT150CM va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Cisco Systems STACKT150CM, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Cisco Systems STACKT150CM.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Cisco Systems STACKT150CM. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Cisco Systems STACKT150CM ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
