Manuel d'utilisation / d'entretien du produit EM820W du fabricant Huawei
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HUAWEI EM820W HSPA+ PC Embedded Module Hardware Guide Issue 01 Date 2010-12-31.
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HUA WEI EM820W HSP A + PC Embedded Module Hardware Guide About This Docum ent Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co.
HUA WEI EM820W HSP A + PC Embedded Module Hardware Guide Contents Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. i Contents 1 Introduction ........................................................
HUA WEI EM820W HSP A + PC Embedded Module Hardware Guide Contents Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. ii 4.4.1 Antenna Design Indicators ...............................................
HUA WEI EM820W HSP A + PC Embedded Module Hardware Guide T ables Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. iii Tables T able 2-1 Feature .....................................................
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Figures Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. iv Figures Figure 2-1 Circuit block diagram of the EM820W module ...................
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Introduction Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Overall Description Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Overall Description Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Overall Description Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Description of the Application Interfaces Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Description of the Application Interfaces Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 6 Definition of the EM820W Mini PCI Express pins Pin No.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Description of the Application Interfaces Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 7 Definition of the EM820W Mini PCI Express pins Pin No.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Description of the Application Interfaces Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 8 Definition of the EM820W Mini PCI Express pins Pin No.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Description of the Application Interfaces Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 9 Figure 3-1 HUA WEI EM820W power supply t ime sequence.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Description of the Application Interfaces Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 10 The high-speed signal characteristics ar e in accordance with the Eye Pattern T emplates of the USB2.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Description of the Application Interfaces Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Description of the Application Interfaces Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 12 module board before entering the EM820W pr oc essor .
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Description of the Application Interfaces Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 13 Table 3-8 SIM IO requir ements IO Minimum Maximum V IL 0 0.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Description of the Application Interfaces Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 14 3.7 W_DISABLE# Signal The W_DISABLE# signal is provided to allow users to disable wireless communications add-in cards.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Description of the Application Interfaces Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Description of the Application Interfaces Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 16 Figure 3-5 LED typica l electro-optical characteristics curves 3.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide RF S p ecifications Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 17 4 RF Specifications 4.1 Operating Frequencies T able 4-1 shows the RF bands supported by EM820W .
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide RF S p ecifications Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 18 Compensation for WCDMA 850 MHz or 900 MHz: 0.6 dB Compensation for WCDMA 2100 MHz or WCDMA 1900 MHz: 0.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide RF S p ecifications Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 19 EM820W Test Value (dBm) Item 3GPP Protocol Claim (dBm) Min Type Max BandII (BER<0.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide RF S p ecifications Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide RF S p ecifications Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide RF S p ecifications Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide RF S p ecifications Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 23 into account. The appropriate antenna gain pr olongs the service life of relevant batteries.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide RF S p ecifications Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide RF S p ecifications Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide RF S p ecifications Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide RF S p ecifications Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 27 Figure 4-3 shows the ESD protection circuit recommended for the antenna interface.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Electric al and Reliability Features Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Electric al and Reliability Features Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Electric al and Reliability Features Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 30 5.5 Power Supply Features 5.5.1 Power Supply The EM820W receives its power supply fr om a 3.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Electric al and Reliability Features Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Electric al and Reliability Features Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Electric al and Reliability Features Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Electric al and Reliability Features Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Electric al and Reliability Features Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 35 Item Test Condition Standard Drop test First case: 0.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Mechanical S pecifications Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 36 6 Mechanical Specifications 6.1 Dimensions and Interfaces 6.1.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Mechanical S pecifications Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 37 Figure 6-2 shows a 52-pin Mini PCI Expr ess connector (take the Molex 67910002 as an example).
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Mechanical S pecifications Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Mechanical S pecifications Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co., Ltd. 39 6.3.2 Romoving the EM820W from the Main Board of PC Step 1 Disconnect the antenna cables from the EM820W.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Appendix A Circuit s of T ypical Interfaces Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Appendix B Acronyms and Abbreviations Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co.
HUA WEI EM820W HSP A+ PC Embedded Module Hardware Guide Appendix B Acronyms and Abbreviations Issue 01 (2010-12 -31) Huawei Proprietary and Confidential Copyright © Huawei Technologi es Co.
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 Huawei EM820W 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 Huawei EM820W - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Huawei EM820W, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Huawei EM820W va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Huawei EM820W, 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 Huawei EM820W.
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 Huawei EM820W. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Huawei EM820W 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.