3.Tighten the four screws. Connecting Cables CAUTION Use only the Huawei +5 V DC power adapter. A Huawei warranty does not cover any damage caused by the use of other power adapters. Power port, connected to the power adapter Expansion Port, connected to the other eSpace...
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7903X's LCD screen. NOTE You can also configure the programmable buttons of the eSpace 7903X by logging in to the eSpace 7950's web page. For details, see the eSpace 7950 IP Phone User Guide or contact your system administrator. 使用...
90 days after shipment, the warranty automatically starts on the 90th day after shipment. Notes: 1. When you purchase a product from Huawei, please confirm the date when the product will be shipped from Huawei, and check other warranty-related information.