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R250D Hardware Installation and Maintenance Guide Issue Date 2016-09-30 HUAWEI TECHNOLOGIES CO., LTD.
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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"...
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R250D Hardware Installation and Maintenance Guide About This Document About This Document Intended Audience This document describes hardware features of the R250D and provides basic installation methods. This document is intended for: Network planning engineers Hardware installation engineers Commissioning engineers...
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Product Overview About This Chapter The R250D in Huawei Agile Distributed Wi-Fi Solution is applicable to scenarios with high- density rooms and complex wall structures, such as schools, hotels, hospitals, and office meeting rooms. Huawei R250D uses an 86 mm plate in compliance with international standards and can be easily installed into an 86–type box in a room.
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R250D Hardware Installation and Maintenance Guide 1 Product Overview Table 1-3 provides basic specifications of the R250D. Table 1-3 Basic specifications Item Description Physical Dimensions (H x 26 mm x 86 mm x 120 mm specifications W x D) Weight 0.2 kg...
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The Ethernet cable must work properly; otherwise, the device may fail to be powered on or cannot run properly. Before connecting an Ethernet cable to the R250D, use the cable test tool to check whether the cable is qualified. If not, replace the cable.
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Precautions for Assembly Use dedicated tools or tools delivered by Huawei and follow the methods given here during assembly. Hold terminals of cables instead of pulling the cables themselves when installing or removing cable components.
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When you strip a power cable, do not damage the conductor of the cable. l If the bare crimping terminal is not provided by Huawei, the value of L1 is 1 mm (0.04 in.) to 2 mm (0.08 in.) greater than the value of L.
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NOTICE l When you strip a power cable, do not damage the conductor of the cable. l If the bare crimping terminal is not provided by Huawei, you can adjust the value of L as required. Figure 5-7 Stripping a power cable (JG terminal)
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Testing the Connection of Assembled Cables Context Huawei provides two types of Ethernet cables: straight-through cables and crossover cables. Straight-through cables are connected in a one-to-one manner. They are used to connect terminals such as a computer or switch to network devices.
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For example, in this document, the adapters of cable connectors have separate interfaces. In the actual situation, the adapters may have interfaces fixed on equipment. Use dedicated tools provided or specified by Huawei and follow the installation procedure described here.
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Template for Printing You can obtain a template from the Huawei local office to print labels. The template is made in Microsoft Word. Follow these instructions to use the template: You can modify the contents of the template. Do not change settings of centered characters, direction, and fonts.
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The system may fail to obtain information about non-Huawei-certified optical modules or obtain incorrect information. You are advised to use Huawei-certified optical modules. Obtain the electronic label of the optical module and contact technical support personnel to confirm whether it is a Huawei-certified optical module.
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Fiber connectors and optical ports that are not used must be protected with protective caps or plugs. Cleaning must be carried out in strict accordance with Huawei tool specifications. The feeder cables shall not be bent or twisted, with no copper General wire exposed.