Huawei BTS3900 GSM Commissioning Manual
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Huawei BTS3900 GSM Commissioning Manual

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BTS3900 GSM
V300R008
Commissioning Guide
Issue
03
Date
2008-07-15
Part Number
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd
Table of Contents
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Summary of Contents for Huawei BTS3900 GSM

  • Page 1 BTS3900 GSM V300R008 Commissioning Guide Issue Date 2008-07-15 Part Number Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...
  • Page 2 Huawei Technologies Co., Ltd. provides customers with comprehensive technical support and service. For any assistance, please contact our local office or company headquarters. Huawei Technologies Co., Ltd. Address: Huawei Industrial Base Bantian, Longgang Shenzhen 518129 People's Republic of China Website: http://www.huawei.com...

  • Page 3: Table Of Contents

    6.3 Checking the Consistency Between Actual Networking and Data Configuration..........6-4 7 Commission the Antenna System...................7-1 7.1 Measuring the VSWR at the Antenna Port.....................7-2 7.2 Checking the Antenna Connection........................7-2 Issue 03 (2008-07-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...
  • Page 4 11.2 Faulty E1 Link.............................11-3 11.3 Failure of an MS to Search the Network.....................11-5 11.4 Service Dialing Failure..........................11-6 11.5 Low GRPS Data Transmission Rate......................11-6 12 Data Sheet for Commissioning...................12-1 Huawei Proprietary and Confidential Issue 03 (2008-07-15) Copyright © Huawei Technologies Co., Ltd...
  • Page 5 Figure 10-1 Environment Monitor dialog box....................10-4 Figure 11-1 Checking the IP address of the board.....................11-3 Figure 11-2 Physical loopback of the E1/T1 cable on the BTS side..............11-4 Issue 03 (2008-07-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...
  • Page 7 Table 11-4 Possible causes and handling suggestions for service dialing failure..........11-6 Table 11-5 Description of the DIP switch SW2 on the GTMU.................11-6 Table 12-1 BTS commissioning data sheet......................12-1 Issue 03 (2008-07-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...

  • Page 9: About This Document

    Maintenance Terminal System, running the BTS3900 GSM software, checking the transmission and networking, commissioning the antenna system, checking the operating status of the BTS3900 GSM, testing the services of the BTS3900 GSM, checking the BTS3900 GSM environment, and typical FAQs for the commissioning.
  • Page 10 The commissioning data sheet is used to record the process and result of the commissioning. Conventions 1. Symbol Conventions The following symbols may be found in this document. They are defined as follows Huawei Proprietary and Confidential Issue 03 (2008-07-15) Copyright © Huawei Technologies Co., Ltd...
  • Page 11 { x | y | ... } * Alternative items are grouped in braces and separated by vertical bars.A minimum of one or a maximum of all can be selected. Issue 03 (2008-07-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...
  • Page 12 Press the primary mouse button twice continuously and quickly without moving the pointer. Drag Press and hold the primary mouse button and move the pointer to a certain position. Huawei Proprietary and Confidential Issue 03 (2008-07-15) Copyright © Huawei Technologies Co., Ltd...

  • Page 13: Safety Information

    This symbol indicates that serious or major injury may occur if you ignore the safety instruction. NOTE This symbol indicates that the operation may be easier if you pay attention to the safety instruction. Issue 03 (2008-07-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...
  • Page 14 Any replacement of the device or part of the device (including the software) or any change made to the device must be performed by qualified or authorized personnel of Huawei. Any fault or error that might cause safety problems must be reported immediately to the personnel in charge.

  • Page 15: Electricity Safety

    In a thunderstorm, do not perform operations on high voltage and AC power supply facilities or on a steel tower and mast. High Electrical Leakage CAUTION Ground the device before powering on the device. Otherwise, the personnel and device are in danger. Issue 03 (2008-07-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...
  • Page 16 (ASICs), wear a grounded ESD wrist strap. It can prevent the sensitive components from being damaged by the static electricity in the human body. Figure 1-1shows how to wear an ESD wrist strap. Huawei Proprietary and Confidential Issue 03 (2008-07-15) Copyright © Huawei Technologies Co., Ltd...

  • Page 17: Inflammable Environment

    Before handling the storage battery, read the safety precautions for the handling and connection of the storage battery. Incorrect operation of storage batteries may cause danger. During operation, ensure the following: Prevent any short-circuit. Issue 03 (2008-07-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...
  • Page 18 High temperature may result in distortion, damage, and electrolyte overflow of the battery. When the temperature of the battery exceeds 60 C, check whether there is acid overflow. If acid overflow occurs, handle the acid immediately. Huawei Proprietary and Confidential Issue 03 (2008-07-15) Copyright © Huawei Technologies Co., Ltd...

  • Page 19: Radiation

    BTSs. The antenna should be located in an area that is inaccessible to the public where the RF radiation exceeds the stipulated value. Issue 03 (2008-07-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...
  • Page 20 Before cutting or splicing an optical fiber, ensure that the optical fiber is disconnected from the optical source. After disconnecting the optical fiber, use protecting caps to protect all the optical connectors. Huawei Proprietary and Confidential Issue 03 (2008-07-15) Copyright © Huawei Technologies Co., Ltd...

  • Page 21: Working At Heights

    Use a concise instruction to prevent incorrect operation. The angle between the two cables should be less than or equal to 90 in the lifting of weights (See Figure 1-2). Issue 03 (2008-07-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...

  • Page 22: Figure 1-2 Lifting A Weight

    If you tend to climb to the roof, the length of the ladder should be at least one meter higher than the eave, as shown in Figure 1-4. 1-10 Huawei Proprietary and Confidential Issue 03 (2008-07-15) Copyright © Huawei Technologies Co., Ltd...

  • Page 23: Mechanical Safety

    Before drilling a hole on the cabinet, remove the cables from the cabinet. Issue 03 (2008-07-15) Huawei Proprietary and Confidential 1-11 Copyright © Huawei Technologies Co., Ltd...

  • Page 24: Others

    Inserting and Removing a Board CAUTION When inserting a board, wear the ESD wrist strap or gloves. Insert the board gently to prevent any bent pins on the backplane. 1-12 Huawei Proprietary and Confidential Issue 03 (2008-07-15) Copyright © Huawei Technologies Co., Ltd...
  • Page 25 24 hours before installation. Move the cables with care, especially at a low temperature. Do not drop the cables directly from the vehicle. Issue 03 (2008-07-15) Huawei Proprietary and Confidential 1-13 Copyright © Huawei Technologies Co., Ltd...

  • Page 27: General Requirements For Bts3900 Commissioning

    2.2 BTS3900 Commissioning Resources Before the commissioning, you must arrange for the tools, obtain the information about the BTS3900, and download the correct software for the boards in the BTS3900. Issue 03 (2008-07-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...

  • Page 28: Bts3900 Commissioning Prerequisites

    Mandatory. For details on the configuration, refer to Configuration Requirements for the Site Maintenance Terminal For details on how to install and use the Site Maintenance Terminal application, refer to the BTS3900 GSM Site Maintenance Terminal User Guide. Multimeter Mandatory Power meter Mandatory.
  • Page 29 Before the commissioning, download the matching software for the boards in the BTS3900 cabinet to the maintenance computer. The software for the boards in the BTS3900 is as follows: DRFU software GTMU software GATM software PMU software Issue 03 (2008-07-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...

  • Page 31: Bts3900 Commissioning Procedure

    Step 3 Check the transmission and networking. Check whether the transmission between the BBU and the DRFU is normal by referring to 6.1 Checking the Transmission Between the BBU and the DRFU. Issue 03 (2008-07-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...
  • Page 32 Commissioning, and export the commissioning report. CAUTION After the commissioning, you should release the site management rights on the Site Maintenance Terminal System by referring to Releasing the Site Management Rights. ----End Huawei Proprietary and Confidential Issue 03 (2008-07-15) Copyright © Huawei Technologies Co., Ltd...

  • Page 33: Starting The Site Maintenance Terminal System

    Terminal PC should be connected to the ETH port on the main control module of the BTS using the crossover cable. 4.3 Locally Logging In to the BTS You can run the Site Maintenance Terminal to directly log in to the BTS. Issue 03 (2008-07-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...

  • Page 34: Setting The Ip Address Of The Site Maintenance Terminal Pc

    The IP address and the subnet mask of the Site Maintenance Terminal PC are set. The IP address of the Site Maintenance Terminal PC and the IP address (192.168.0.72/255.255.255.0) of the BTS are on the same network segment. Huawei Proprietary and Confidential Issue 03 (2008-07-15) Copyright © Huawei Technologies Co., Ltd...

  • Page 35: Locally Logging In To The Bts

    If the communication between the Site Maintenance Terminal PC and the BTS is set up, a window is displayed, as shown in Figure 4-2. The Local Maintenance Terminal is successfully started. Issue 03 (2008-07-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...

  • Page 36: Figure 4-1 Communication Failed Dialog Box

    Figure 4-1 Communication failed dialog box Figure 4-2 Site Maintenance Terminal System window Step 2 Click Yes. The Set Communication Port Parameter dialog box is displayed, as shown in Figure 4-3. Huawei Proprietary and Confidential Issue 03 (2008-07-15) Copyright © Huawei Technologies Co., Ltd...

  • Page 37: Figure 4-3 Set Communication Port Parameter Dialog Box

    Step 3 In the Select Communication Port area, click Network Port. In the Configure IP area, set the IP address to 192.168.0.72. Step 4 Click OK. The Site Maintenance Terminal System window is displayed, as shown in Figure 4-2. ----End Issue 03 (2008-07-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...

  • Page 39: Running The Bts3900 Software

    This describes how to validate the board software loaded onto the main control board. The board software consists of the main control board software and other board software. Issue 03 (2008-07-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...

  • Page 40: Obtaining The Site Management Rights

    Step 1 In the left pane of the Site Maintenance Terminal System window, select Board. In the right pane of the window, double-click Board Management. The Board Management window is displayed, as shown in Figure 5-2. Huawei Proprietary and Confidential Issue 03 (2008-07-15) Copyright © Huawei Technologies Co., Ltd...

  • Page 41: Figure 5-2 Board Management Window

    The GTMU, GATM, or PMU is to be viewed, Go to Step Step 3 Double-click the GTMU in the Board Management window. The Topology Management window is displayed, as shown in Figure 5-3. Issue 03 (2008-07-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...

  • Page 42: Forcibly Loading Software

    Figure 5-4 Board Information dialog box ----End 5.3 Forcibly Loading Software This function is performed to load software to the main control board. Huawei Proprietary and Confidential Issue 03 (2008-07-15) Copyright © Huawei Technologies Co., Ltd...

  • Page 43: Table 5-1 Parameters Available In The Software Download Dialog Box

    Step 2 Set File Name. In the Send Window Size spin box, specify a size. In the Version area, enter a version number. In the File ID drop-down list box, select DTMU_MAIN, as shown in Figure 5-5. Issue 03 (2008-07-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...

  • Page 44: Activating Software

    There are no specified sequence for activating the software of the other boards. The loading of software does not affect the services. The activation of software validates the new version software on boards and affects the services. Therefore, Huawei recommends you load the software in the day and activate it at night.

  • Page 45: Table 5-2 Parameters In The Software Activation Dialog Box

    Step 2 In the Version area, enter the version number of the main control board software. In the File ID drop-down list, select the file ID, as shown in Figure 5-6. Issue 03 (2008-07-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...

  • Page 46: Figure 5-6 Software Activation Dialog Box

    In the File ID drop-down list, select the board software to be activated, as shown in Figure 5-7. Figure 5-7 Software Activation dialog box Step 5 Click OK. Huawei Proprietary and Confidential Issue 03 (2008-07-15) Copyright © Huawei Technologies Co., Ltd...
  • Page 47 BBU and the DRFU. If there is a communication problem between the BBU and the DRFU, rectify the fault by referring to 6.1 Checking the Transmission Between the BBU and the DRFU. ----End Issue 03 (2008-07-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...

  • Page 49: Checking The Transmission And Networking

    The items to be checked consist of the BTS3900 network topologies, the configurations of the boards and modules, RF cable connections of the DRFUs, and the data configuration of the RF signal RX/TX mode. Issue 03 (2008-07-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...

  • Page 50: Checking The Transmission Between The Bbu And The Drfu

    This describes how to check the status of the LEDs on the GTMU panel, how to check the connection of the E1 cable and E1 surge protection transfer cable, and how to rectify the fault caused by improper connections. Huawei Proprietary and Confidential Issue 03 (2008-07-15) Copyright © Huawei Technologies Co., Ltd...
  • Page 51 6-1. Thus, a physical loopback on the BTS side is formed. The normal E1/T1 connection between the BTS and the BSC consists of the connection between A and C and connection between B and D. Issue 03 (2008-07-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...

  • Page 52: Checking The Consistency Between Actual Networking And Data Configuration

    The Site Maintenance Terminal System is started. The board software is loaded and activated. The transmission between the BBU and the DRFU and the transmission between the BBU and the BSC are normal. Huawei Proprietary and Confidential Issue 03 (2008-07-15) Copyright © Huawei Technologies Co., Ltd...

  • Page 53: Figure 6-2 Slots For Boards Or Modules In The Board Management Window

    The GTMU is fixedly configured in slot 6 and occupies slots 5 and 6 on the front panel. Therefore, the GTMU is configured in slots 5 and 6 in the Board Management window. Issue 03 (2008-07-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...
  • Page 54 Step 4 Record the inconsistencies between data configuration and hardware installation in 12 Data Sheet for Commissioning. Then, check whether the data configuration or the hardware installation is incorrect by confirming it with Huawei BSC technical support engineers and BTS technical support engineers. If... Then...

  • Page 55: Figure 6-3 Star Topology Between The Drfus And The Bbu

    UELP INSIDE OUTSIDE Figure 6-4 shows the settings of the SFP numbers and level numbers in the Topology Management window. Figure 6-4 Topology Management window (star topology) Issue 03 (2008-07-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...

  • Page 56: Figure 6-5 Board Management Window

    Independent/Combined Transmit. Check the RF RX/TX mode displayed in the Parameter Management dialog box related to path A or path B of the DRFUs, as shown in Figure 6-6. Huawei Proprietary and Confidential Issue 03 (2008-07-15) Copyright © Huawei Technologies Co., Ltd...

  • Page 57: Figure 6-6 Parameter Management Dialog Box

    BTS3900 GSM Commissioning Guide 6 Checking the Transmission and Networking Figure 6-6 Parameter Management dialog box Issue 03 (2008-07-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...

  • Page 59: Commission The Antenna System

    This describes how to obtain the output power of the TRX, which indicates the operating status of the BTS3900. You need to check the output power of only the TRX that transmits power on all timeslots. Issue 03 (2008-07-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...

  • Page 60: Measuring The Vswr At The Antenna Port

    This describes how to check the antenna connections by using a drive tester. You can determine the antenna connection conditions by checking whether the frequencies of the BCCH and BSIC Huawei Proprietary and Confidential Issue 03 (2008-07-15) Copyright © Huawei Technologies Co., Ltd...

  • Page 61: Checking The Antenna Connection With An Ms

    The dialing test fails, You can infer that the feeder corresponding to the frequency may be connected improperly. Check the connections of the feeder and make adjustment accordingly.. Issue 03 (2008-07-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...

  • Page 62: Checking The Antenna Connection By Using A Drive Tester

    Step 1 Measure the output power of the TRX on the ANT port of the DRFU by using a power meter. Step 2 Check whether the output power of the TRX is within the normal range. Huawei Proprietary and Confidential Issue 03 (2008-07-15) Copyright © Huawei Technologies Co., Ltd...
  • Page 63 4. Replace the DRFU in which the TRX does not transmit power normally. Step 3 Repeat Step 1 through Step 2 to check the output power of all the TRXs. ----End Issue 03 (2008-07-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...

  • Page 65: Checking The Operating Status Of The Bts3900

    The GTMU loopback test is performed to check the link between the Site Maintenance Terminal System and the GTMU. The DRFU loopback test is performed to check logical path A or logical path B of the DRFU. Issue 03 (2008-07-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...

  • Page 66: Checking The Status Of The Bts3900 Leds

    LEDs. Table 8-2 Normal states of the LEDs on the DRFU Color Normal State Blinking (on for 1s and off for 1s) Huawei Proprietary and Confidential Issue 03 (2008-07-15) Copyright © Huawei Technologies Co., Ltd...

  • Page 67: Table 8-3 Normal States Of The Leds On The Gatm

    LEDs. Table 8-5 Normal states of the LEDs on the PMU Color Normal State Green Blinking (on for 1s and off for 1s) Issue 03 (2008-07-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...

  • Page 68: Checking The Alarm Information Of The Bts3900

    Step 1 Select Board in the left pane of the Site Maintenance Terminal System window, and then double-click Board Management in the right pane of the window. The Board Management window is displayed, as shown in Figure 8-1. Huawei Proprietary and Confidential Issue 03 (2008-07-15) Copyright © Huawei Technologies Co., Ltd...

  • Page 69: Figure 8-1 Board Management Window

    4, and check the alarm information. UPEU, UEIU, GATM, or PMU, Step 3 Double-click GTMU in the Board Management window. The Topology Management window is displayed, as shown in Figure 8-2. Issue 03 (2008-07-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...

  • Page 70: Figure 8-2 Topology Management Window

    Step 5 Click a red grid. The description of a specific alarm is displayed in the right pane, as shown in Figure 8-3. Figure 8-3 Board Alarm Informationdialog box Huawei Proprietary and Confidential Issue 03 (2008-07-15) Copyright © Huawei Technologies Co., Ltd...

  • Page 71: Performing The Loopback Test

    Step 1 Select Board in the left pane of the Site Maintenance Terminal System window, and then double-click Board Management in the right pane of the window. The Board Management window is displayed, as shown in Figure 8-4. Issue 03 (2008-07-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...

  • Page 72: Figure 8-4 Board Management Window

    After the test is complete, the result is displayed on the status bar at the bottom of the dialog box. Step 5 Close the Loop Test dialog box, and then double-click the GTMU on the Board Management window. Huawei Proprietary and Confidential Issue 03 (2008-07-15) Copyright © Huawei Technologies Co., Ltd...

  • Page 73: Figure 8-6 Topology Management Window

    After the test is complete, the result is displayed on the status bar at the bottom of the dialog box. Step 10 Repeat Step 5 through Step 9 to perform the loopback test of all the DRFUs. ----End Issue 03 (2008-07-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...

  • Page 75: Commissioning The Bts3900 Services

    This describes how to test PS services by browsing websites and downloading files through an MS. You need to test only the BTS that is configured with the GPRS or EGPRS services. Issue 03 (2008-07-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...

  • Page 76: Performing The Loopback Test Of A Channel

    Step 1 In the left pane of the Site Maintenance Terminal System window, select BT. In the right pane of the window, double-click BT Loop Test. The BT Loop Test dialog box is displayed, as shown in Figure 9-1. Huawei Proprietary and Confidential Issue 03 (2008-07-15) Copyright © Huawei Technologies Co., Ltd...

  • Page 77: Performing The Loopback Test Of A Traffic Channel

    Step 1 In the left pane of the Site Maintenance Terminal System window, select Channel. In the right pane of the window, double-click Channel Loop Test. The Channel Loop Test dialog box is displayed, as shown in Figure 9-2. Issue 03 (2008-07-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...

  • Page 78: Testing Cs Services

    The logical cell to be tested is activated. The BSC is in normal operation. The signaling channel loopback test and traffic channel loopback test are conducted. The test results are normal. Huawei Proprietary and Confidential Issue 03 (2008-07-15) Copyright © Huawei Technologies Co., Ltd...

  • Page 79: Testing Ps Services

    This describes how to test PS services by browsing websites and downloading files through an MS. You need to test only the BTS that is configured with the GPRS or EGPRS services. Issue 03 (2008-07-15) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd...
  • Page 80 SIM card does not support authentication and encryption. Step 4 Repeat Step 1 through Step 3 to commission PS services in all the other logical cells covered by the BTS. ----End Huawei Proprietary and Confidential Issue 03 (2008-07-15) Copyright © Huawei Technologies Co., Ltd...

  • Page 81: Checking The Bts3900 Environment

    The BTS can run normally in a safe and suitable site environment. You can also clear a burglar alarm or a smoke alarm and disable an EAC alarm. Issue 03 (2008-07-15) Huawei Proprietary and Confidential 10-1 Copyright © Huawei Technologies Co., Ltd...

  • Page 82: Bts Environment Alarm Types

    The humidity alarm consists of the high humidity alarm and the low humidity alarm. This is a major alarm. The high humidity alarm is generated when the environment humidity is higher than the predefined upper threshold of the humidity. 10-2 Huawei Proprietary and Confidential Issue 03 (2008-07-15) Copyright © Huawei Technologies Co., Ltd...

  • Page 83: Monitoring Environment

    Control the relay status. The relay is used to start or close the refrigeration device, heating device, dehumidifier, humidifier, fire extinguisher, and anti-burglar device. The default state is Close. Issue 03 (2008-07-15) Huawei Proprietary and Confidential 10-3 Copyright © Huawei Technologies Co., Ltd...

  • Page 84: Figure 10-1 Environment Monitor Dialog Box

    The Environment Monitor dialog box is displayed, as shown in Figure 10-1. Figure 10-1 Environment Monitor dialog box Step 2 Perform the following operations in the Select Operation Type area: 10-4 Huawei Proprietary and Confidential Issue 03 (2008-07-15) Copyright © Huawei Technologies Co., Ltd...
  • Page 85 Disable the EAC Alarm Go to Step Get Current Temperature and Humidity Go to Step Clear Smoke Alarm Go to Step Step 3 Click OK. ----End Issue 03 (2008-07-15) Huawei Proprietary and Confidential 10-5 Copyright © Huawei Technologies Co., Ltd...

  • Page 87: Faqs For Bts Commissioning

    11.5 Low GRPS Data Transmission Rate This describes the fault symptom and analyzes the cause of low GPRS data transmission rate. Issue 03 (2008-07-15) Huawei Proprietary and Confidential 11-1 Copyright © Huawei Technologies Co., Ltd...

  • Page 88: Failed Communication Between The Site Maintenance Terminal And The Bts

    On the Windows XP operating system, choose Start > Program > Accessories > Communications > HyperTerminal. Configure the HypterTerminal according to the instructions, and then connect to the board. 11-2 Huawei Proprietary and Confidential Issue 03 (2008-07-15) Copyright © Huawei Technologies Co., Ltd...

  • Page 89: Faulty E1 Link

    Check all the connections on the E1 link and the connectors at both ends of each cable. Ensure that the connections are reliable and the connectors are functional. Issue 03 (2008-07-15) Huawei Proprietary and Confidential 11-3 Copyright © Huawei Technologies Co., Ltd...

  • Page 90: Figure 11-2 Physical Loopback Of The E1/T1 Cable On The Bts Side

    (4) When the UELP is not used, determine whether the E1/T1 link is normal based on the status of the LIU LED on the GTMU panel, as listed in Table 11-3. 11-4 Huawei Proprietary and Confidential Issue 03 (2008-07-15) Copyright © Huawei Technologies Co., Ltd...

  • Page 91: Failure Of An Ms To Search The Network

    The cell radius is small. NOTE When the MS fails to find the network, pay attention to the output power of the local cell and the radio network coverage. Issue 03 (2008-07-15) Huawei Proprietary and Confidential 11-5 Copyright © Huawei Technologies Co., Ltd...

  • Page 92: Service Dialing Failure

    DIP switch SW2. Table 11-5 Description of the DIP switch SW2 on the GTMU Setting of DIP Bit Description The E1 cable is grounded. 11-6 Huawei Proprietary and Confidential Issue 03 (2008-07-15) Copyright © Huawei Technologies Co., Ltd...
  • Page 93 The E1 cable is not grounded properly. The data configuration negotiated between the BSC and the BTS is not consistent. The cell signals are weak. The MS capability is limited. Issue 03 (2008-07-15) Huawei Proprietary and Confidential 11-7 Copyright © Huawei Technologies Co., Ltd...

  • Page 95: Data Sheet For Commissioning

    The BTS successfully powered Data configuration for BTS commissioning in BSC available on the Site Maintenance Terminal PC? Board software for upgrade downloaded to the Site Maintenance Terminal PC? Issue 03 (2008-07-15) Huawei Proprietary and Confidential 12-1 Copyright © Huawei Technologies Co., Ltd...
  • Page 96 Signaling Channel Performing the Loopback Test of a Traffic Channel Service test Site environment Site management rights released? Commissioning Result Description of Unsolved Impact Problems 12-2 Huawei Proprietary and Confidential Issue 03 (2008-07-15) Copyright © Huawei Technologies Co., Ltd...
  • Page 97 BTS3900 GSM Commissioning Guide 12 Data Sheet for Commissioning Unsolved problems during commissioning Issue 03 (2008-07-15) Huawei Proprietary and Confidential 12-3 Copyright © Huawei Technologies Co., Ltd...

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