Huawei PRRU3901 Users Guide
LampSite
Site Maintenance Guide
Issue 02
Date 2014-05-27
HUAWEI TECHNOLOGIES CO., LTD.
Copyright © Huawei Technologies Co., Ltd. 2014. All rights reserved.
No part of this document may be reproduced or transmitted in any form or by any means without prior written consent of Huawei Technologies Co., Ltd.
Trademarks and Permissions
and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd.
All other trademarks and trade names mentioned in this document are the property of their respective holders.
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" without warranties, guarantees or representations of any kind, either express or implied.
The information in this document is subject to change without notice. Every effort has been made in the preparation of this document to ensure accuracy of the contents, but all statements, information, and recommendations in this document do not constitute a warranty of any kind, express or implied.
Huawei Technologies Co., Ltd.
Address: |
Huawei Industrial Base |
|
Bantian, Longgang |
|
Shenzhen 518129 |
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People's Republic of China |
Website: |
http://www.huawei.com |
Email: |
support@huawei.com |
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About This Document |
About This Document
Overview
This document describes routine maintenance items for a RHUB3908 and pRRU3901, such as equipment maintenance, and power-on and power-off operations. It also explains how to replace the components and modules.
Product Version
The following table lists the product version related to this document.
Product Name |
Product Version |
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RHUB3908 (referred to as RHUB in this |
V100R009C00 and later versions |
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document) |
Single-mode versions mapping |
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V100R009C00: |
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pRRU3901 (referred to as pRRU in this |
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• NodeB: V200R016C00 |
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document) |
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• eNodeB: V100R007C00 |
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Intended Audience
This document is intended for:
•System engineers
•Site maintenance engineers
Organization
1 Changes in LampSite Site Maintenance Guide
This chapter provides information about the changes in different document versions of LampSite Site Maintenance Guide.
2 RHUB Maintenance Items
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This chapter describes the RHUB maintenance items, involving the equipment room, equipment, power system, and grounding system.
3 pRRU Maintenance Items
This chapter describes the pRRU maintenance items, involving equipment and power system.
4 Powering On and Powering Off the RHUB
After the RHUB is powered on, check the indicator status. Power off the RHUB in normal or emergency mode as required.
5 Powering On and Powering Off the pRRU
After the pRRU is powered on, check the power supply voltage and indicator status. Power off the pRRU based on the power supply mode.
6 Replacing the RHUB
The RHUB is an indoor convergence unit. It converges multiple pRRUs to the BBU. Replacing the RHUB interrupts services carried on the serving cell.
7 Replacing an Optical Module
An optical module provides a port for opto-electronic conversion. This enables the transmission between the RHUB and BBU through the optical fiber. Replacing the optical module requires removing the optical fibers. This interrupts all the services.
8 Replacing the RF Daughter Board
This section describes the procedures for replacing the RF daughter board of the pRRU. A pRRU can have two transmission ports or three transmission ports, requiring the same installation operations. This section uses the pRRU with three transmission ports as an example. Replacing an RF daughter board interrupts all the services carried on the pRRU.
9 Replacing the Wi-Fi Daughter Board
This section describes the procedures for replacing the Wi-Fi daughter board, which applies only to a pRRU with three transmission ports.Replacing an Wi-Fi daughter board interrupts all the services carried on the pRRU.
10 Replacing the pDock Mother Board
This section describes the procedure for replacing the pDock mother board. Replacing the pDock mother board of a pRRU will interrupt all services carried on the pRRU. A pDock mother board can have two transmission ports or three transmission ports, requiring the same installation operations. This section uses the pDock mother board with three transmission ports as an example.
Conventions
Symbol Conventions
The symbols that may be found in this document are defined as follows.
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Symbol |
Description |
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Indicates an imminently hazardous situation which, if not |
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avoided, will result in death or serious injury. |
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Indicates a potentially hazardous situation which, if not |
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avoided, could result in death or serious injury. |
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Indicates a potentially hazardous situation which, if not |
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avoided, may result in minor or moderate injury. |
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Indicates a potentially hazardous situation which, if not |
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avoided, could result in equipment damage, data loss, |
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performance deterioration, or unanticipated results. |
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NOTICE is used to address practices not related to personal |
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injury. |
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Calls attention to important information, best practices and |
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tips. |
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NOTE is used to address information not related to personal |
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injury, equipment damage, and environment deterioration. |
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General Conventions
The general conventions that may be found in this document are defined as follows.
Convention |
Description |
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Times New Roman |
Normal paragraphs are in Times New Roman. |
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Boldface |
Names of files, directories, folders, and users are in |
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boldface. For example, log in as user root. |
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Italic |
Book titles are in italics. |
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Courier New |
Examples of information displayed on the screen are in |
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Courier New. |
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Command Conventions
The command conventions that may be found in this document are defined as follows.
Convention |
Description |
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Boldface |
The keywords of a command line are in boldface. |
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Italic |
Command arguments are in italics. |
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Convention |
Description |
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[ ] |
Items (keywords or arguments) in brackets [ ] are optional. |
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{ x | y | ... } |
Optional items are grouped in braces and separated by |
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vertical bars. One item is selected. |
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[ x | y | ... ] |
Optional items are grouped in brackets and separated by |
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vertical bars. One item is selected or no item is selected. |
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{ x | y | ... }* |
Optional items are grouped in braces and separated by |
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vertical bars. A minimum of one item or a maximum of all |
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items can be selected. |
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[ x | y | ... ]* |
Optional items are grouped in brackets and separated by |
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vertical bars. Several items or no item can be selected. |
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GUI Conventions
The GUI conventions that may be found in this document are defined as follows.
Convention |
Description |
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Boldface |
Buttons, menus, parameters, tabs, window, and dialog titles |
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are in boldface. For example, click OK. |
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> |
Multi-level menus are in boldface and separated by the ">" |
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signs. For example, choose File > Create > Folder. |
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Keyboard Operations
The keyboard operations that may be found in this document are defined as follows.
Format |
Description |
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Key |
Press the key. For example, press Enter and press Tab. |
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Key 1+Key 2 |
Press the keys concurrently. For example, pressing Ctrl+Alt |
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+A means the three keys should be pressed concurrently. |
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Key 1, Key 2 |
Press the keys in turn. For example, pressing Alt, A means |
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the two keys should be pressed in turn. |
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Mouse Operations
The mouse operations that may be found in this document are defined as follows.
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Action |
Description |
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Click |
Select and release the primary mouse button without moving |
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the pointer. |
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Double-click |
Press the primary mouse button twice continuously and |
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quickly without moving the pointer. |
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Drag |
Press and hold the primary mouse button and move the |
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pointer to a certain position. |
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Contents |
Contents
About This Document..................................................................................................................... |
ii |
1 Changes in LampSite Site Maintenance Guide....................................................................... |
1 |
2 RHUB Maintenance Items........................................................................................................... |
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3 pRRU Maintenance Items............................................................................................................ |
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4 Powering On and Powering Off the RHUB........................................................................... |
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4.1 Powering On the RHUB............................................................................................................................................... |
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4.2 Powering Off the RHUB.............................................................................................................................................. |
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5 Powering On and Powering Off the pRRU............................................................................ |
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5.1 Powering On the pRRU................................................................................................................................................ |
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5.2 Powering Off the pRRU............................................................................................................................................... |
15 |
6 Replacing the RHUB................................................................................................................... |
16 |
7 Replacing an Optical Module................................................................................................... |
20 |
8 Replacing the RF Daughter Board............................................................................................ |
23 |
9 Replacing the Wi-Fi Daughter Board...................................................................................... |
29 |
10 Replacing the pDock Mother Board...................................................................................... |
35 |
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1 Changes in LampSite Site Maintenance Guide |
1Changes in LampSite Site Maintenance
Guide
This chapter provides information about the changes in different document versions of LampSite Site Maintenance Guide.
02 (2014-05-27)
This is the second commercial release.
Compared with 01 (2014-04-26), no information is added.
Compared with 01 (2014-04-26), this issue incorporates the following change:
Content |
Change Description |
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Entire document |
Added the descriptions about the LTE FDD |
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+LTE FDD mode. |
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Compared with 01 (2014-04-26), no information is deleted.
01 (2014-04-26)
This is the first commercial release.
Compared with Draft C (2014-03-26), no information is added.
Compared with Draft C (2014-03-26), this issue incorporates the following change:
Content |
Change Description |
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Entire document |
Changed the pRRU name from pRRU with |
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two Ethernet ports to pRRU with two |
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transmission ports, and pRRU with three |
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Ethernet ports to pRRU with three |
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transmission ports. |
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Content |
Change Description |
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10 Replacing the pDock Mother Board |
Changed the pDock name from pDock with |
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two Ethernet ports to pDock with two |
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transmission ports, and pDock with three |
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Ethernet ports to pDock with three |
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transmission ports. |
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Compared with Draft C (2014-03-26), this issue excludes the following topic:
•Replacing a PSU
Draft C (2014-03-26)
This is a draft release.
Compared with Draft B (2014-02-28), no information is added.
Compared with Draft B (2014-02-28), this issue incorporates the following change:
Content |
Change Description |
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6 Replacing the RHUB |
Deleted the operation of resetting the RHUB |
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after replacing. |
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Compared with Draft B (2014-02-28), no information is deleted.
Draft B (2014-02-28)
This is a draft release.
Compared with draft A (2013-11-30), this issue includes the following new topic:
•9 Replacing the Wi-Fi Daughter Board
Compared with draft A (2013-11-30), this issue incorporates the following changes:
Content |
Change Description |
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Entire document |
Added descriptions about pRRUs with three |
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transmission ports. Such pRRUs support |
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integrated Wi-Fi services. |
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Added the descriptions about the UMTS, LTE |
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FDD and UMTS+LTE FDD mode. |
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About This Document |
Optimized descriptions about matching |
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product versions. |
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8 Replacing the RF Daughter Board |
Added the procedures for removing and |
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attaching labels. |
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Content |
Change Description |
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9 Replacing the Wi-Fi Daughter Board
Compared with draft A (2013-11-30), this issue excludes the following topic:
•Replacing the pRRU
Draft A (2013-11-30)
This is a draft release.
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2 RHUB Maintenance Items |
2RHUB Maintenance Items
This chapter describes the RHUB maintenance items, involving the equipment room, equipment, power system, and grounding system.
Equipment Room Maintenance Items
Table 2-1 lists the equipment room maintenance items.
Table 2-1 Equipment room maintenance items
Item |
Check Frequency |
Operation |
Reference |
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Standard |
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Environment alarms |
Daily |
Check whether any |
No power alarm, fire |
in the equipment |
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power alarm, fire |
alarm, or smoke |
room |
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alarm, or smoke |
alarm is reported. |
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alarm is reported. |
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Temperature in the |
Each time |
Record temperatures |
-5°C to 45°C |
equipment room |
maintenance is |
in the equipment |
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performed |
room measured by a |
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thermometer. |
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Humidity in the |
Each time |
Record humidity in |
5%RH to 95%RH |
equipment room |
maintenance is |
the equipment room |
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performed |
measured by a |
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hygrometer. |
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Lighting system in |
Every other month |
Check whether the |
- |
the equipment room |
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routine lighting |
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system and |
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emergency lighting |
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system are running |
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properly. |
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Air conditioner |
Every other month |
Check whether the |
- |
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air conditioner is |
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running properly. |
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Item |
Check Frequency |
Operation |
Reference |
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Standard |
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Disaster protection |
Every one month |
Check whether the |
• The equipment |
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devices |
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disaster protection, |
room is equipped |
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equipment |
with portable |
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protection, and |
foam-type |
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firefighting devices |
extinguishers, |
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are normal. |
and the pressure |
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and expiration |
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date must be |
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checked. |
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• The equipment |
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room has no |
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mice, ants, flying |
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insects, or other |
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risks. |
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Cleanness |
Every one month |
Check whether the |
All these items are |
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cabinet, equipment |
clean and tidy. |
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housing, equipment |
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interior, desktop, |
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floor, door, and |
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window are clean |
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and tidy. |
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Equipment Maintenance Items
Table 2-2 lists the equipment maintenance items.
Table 2-2 Equipment maintenance items
Item |
Check Frequency |
Operation |
Reference |
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Standard |
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Fan in the PSU |
Monthly or quarterly |
Check whether the |
The fan works |
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fan is working |
properly without any |
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properly. |
abnormal smell or |
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sound. |
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Equipment surface |
Monthly or quarterly |
Check whether the |
The equipment |
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equipment surface is |
surface is intact and |
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intact. |
the label of the |
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cabinet is legible. |
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Equipment cleanness |
Monthly or quarterly |
Check whether the |
The equipment |
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equipment is clean. |
surface is clean. |
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Item |
Check Frequency |
Operation |
Reference |
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Standard |
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Indicators |
Monthly or quarterly |
Check whether the |
For details about the |
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indicators on the |
indicator status, see |
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equipment are |
RHUB Ports and |
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working properly. |
Indicators in |
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LampSite Hardware |
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Description. |
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Electrostatic |
Quarterly |
Check the ESD wrist |
If you use an ESD |
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discharge (ESD) |
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strap in either of the |
wrist strap tester, the |
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wrist strap |
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following ways: |
GOOD indicator is |
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• Use an ESD wrist |
on. If you use a |
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multimeter, the |
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strap tester to |
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ground resistance of |
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check the ESD |
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the ESD wrist strap |
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wrist strap. |
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ranges from 0.75 |
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• Use a multimeter |
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ohms to 10 ohms. |
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to test the ground |
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resistance of the |
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ESD wrist strap. |
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Maintenance Items for the Power System and Grounding System
Table 2-3 lists the maintenance items for the power system and grounding system.
Table 2-3 Maintenance items for the power system and grounding system
Item |
Check Frequency |
Operation |
Reference |
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Standard |
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Power cables |
Monthly or quarterly |
Check the power |
The power cables are |
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cable connections. |
securely connected |
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and not deteriorating. |
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The joints are not |
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corroded. |
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Voltage |
Monthly or quarterly |
Use a multimeter to |
The voltage is in the |
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measure the voltage |
permissible range. |
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of the power supply. |
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PGND cables |
Monthly or quarterly |
Checks whether the |
The joints are secure |
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PGND cables and |
and not corroded. |
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ground bar are |
The PGND cables |
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securely connected. |
and ground bar are |
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not deteriorated and |
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are protected from |
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corrosion. |
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Item |
Check Frequency |
Operation |
Reference |
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Standard |
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Ground resistance |
Monthly or quarterly |
Use a ground |
The ground |
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resistance tester to |
resistance is equal to |
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measure the ground |
or less than 10 ohms. |
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resistance and record |
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the measurement |
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result. |
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3 pRRU Maintenance Items |
3pRRU Maintenance Items
This chapter describes the pRRU maintenance items, involving equipment and power system.
Equipment Maintenance Items
Table 3-1 lists the equipment maintenance items for the pRRU.
Table 3-1 Equipment maintenance items
Item |
Check Frequency |
Operation |
Reference |
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Standard |
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Equipment surface |
Monthly or quarterly |
Check whether the |
The equipment |
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equipment surface is |
surface is intact and |
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intact. |
the label of the |
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cabinet is legible. |
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Equipment cleanness |
Monthly or quarterly |
Check whether the |
The equipment |
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equipment is clean. |
surface is clean. |
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Indicators |
Monthly or quarterly |
Check whether the |
For details about the |
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indicators on the |
indicator status, see |
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equipment are |
pRRU Ports and |
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working properly. |
Indicators in |
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LampSite Hardware |
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Description. |
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Power System Maintenance Items
Table 3-2 lists the power system maintenance items for the pRRU.
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