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Notice The purchased products, services and features are stipulated by the contract made between Huawei and the customer. All or part of the products, services and features described in this document may not be within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements, information, and recommendations in this document are provided "AS IS"...
To ensure safety of humans and the equipment, pay attention to the safety symbols on the equipment and all the safety instructions in this document. Huawei will not be liable for any consequences caused by the violation of the safety operation regulations and design, production, and usage standards.
Troubleshooting Guide 2 TP48200A-D17B3 Overview TP48200A-D17B3 Overview 2.1 Typical Networking Figure 2-1 shows the positioning of the TP48200A-D17B3 in the typical site power solution. Figure 2-1 TP48200A-D17B3 in the typical site power solution 2.2 Physical Structure Figure 2-2 shows the TP48200A-D17B3.
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DC power, AC power, PSUs and storage batteries. These parameters are collected by the PMU. You can set parameters and control the TP48200A-D17B3 by pressing the four buttons as shown in Figure 2-4. ...
AC voltage. Empty Empty. 2.8 PSU The PSU converts the AC input power into stable –48 V DC power. The TP48200A-D17B3 can be configured with two, three, or four PSUs. Figure 2-10 shows the PSU panel. Issue 03 (2013-05-06) Huawei Proprietary and Confidential...
3 Preparations Preparations 3.1 Getting Familiar with Sites Before troubleshooting the TP48200A-D17B3, you need to get familiar with the site environment, drawings, and installation procedures for the TP48200A-D17B3. 3.2 Preparing Tools Before troubleshooting the TP48200A-D17B3, prepare the tools listed in Table 3-1.
After you rectify a fault, the corresponding alarm in the PMU is automatically cleared and is recorded as a history alarm. After you replace the PMU, you need to set parameters again. For details, see the TP48200A-D17B3 Quick Installation Guide (V100R001_01). ...
Step 2 Ventilate the air-intake device and air-exhaust device, and keep good heat dissipation. Step 3 Check that the service board produces power consumption lower than the maximum value. Step 4 Replace the faulty fan, and then return it to Huawei for repair. ----End 4.4.2 The Fan Stops Rotating...