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Huawei TP48200A-HT15D3 User Manual

Huawei TP48200A-HT15D3 User Manual

Telecom power for megafon
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TP48200A-HT15D3 Telecom Power (Russia,
Megafon)
User Manual
Issue
03
Date
2019-11-15
HUAWEI TECHNOLOGIES CO., LTD.

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  • Page 1 TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual Issue Date 2019-11-15 HUAWEI TECHNOLOGIES CO., LTD.
  • Page 2 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"...

  • Page 3: Preface

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual Preface Preface Purpose This document describes the DC power system in terms of product introduction, component introduction, and system maintenance. The figures of this document are for reference only. Intended Audience This document is intended for: ...
  • Page 4 TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual Preface Change History Changes between document issues are cumulative. The latest document issue contains all the changes made in earlier issues. Issue 03 (2019-11-15) Deleted contents about the app. Optimized the content about rectifiers.

  • Page 5: Table Of Contents

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual Contents Contents Preface ............................... ii 1 Safety Precautions ......................... 1 1.1 General Safety ................................1 1.2 Personnel Requirements ............................... 5 1.3 Electrical Safety ................................5 1.4 Installation Environment Requirements ........................7 1.5 Mechanical Safety ................................ 8 1.6 Battery Safety ................................
  • Page 6 TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual Contents 3.9.6 Door Status Sensor..............................41 3.9.7 (Optional) Light ............................... 42 4 Maintenance ..........................43 4.1 Routine Maintenance ..............................43 4.2 Rectifying Common Faults ............................44 4.2.1 AC Failure ................................44 4.2.2 AC Over Volt ................................44 4.2.3 AC Under Volt .................................
  • Page 7 TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual Contents 4.4.8 Replacing the Heat Exchanger Core ........................64 4.4.9 Replacing the TCUA Control Board ........................66 4.4.10 Replacing the TEC ..............................69 4.4.11 Replacing the Heater .............................. 72 4.4.12 Replacing a Smoke Sensor ............................ 73 4.4.13 Replacing a Door Status Sensor ..........................

  • Page 8: Safety Precautions

    The "NOTICE", "CAUTION", "WARNING", and "DANGER" statements in this document do not cover all the safety instructions. They are only supplements to the safety instructions. Huawei will not be liable for any consequence caused by the violation of general safety requirements or design, production, and usage safety standards.
  • Page 9 TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 1 Safety Precautions  When installing, operating, or maintaining the equipment, wear dedicated protective gears such as insulation gloves, goggles, and safety clothing, helmet, and shoes, as shown in the following figure. ...
  • Page 10 TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 1 Safety Precautions  Do not install, use, or operate outdoor equipment and cables (including but not limited to moving equipment, operating equipment and cables, inserting connectors to or removing connectors from signal ports connected to outdoor facilities, working at heights, and performing outdoor installation) in harsh weather conditions such as lightning, rain, snow, and level 6 or stronger wind.
  • Page 11 TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 1 Safety Precautions Symbol Conventions To ensure personal and equipment safety, observe all the safety instructions marked on the equipment when installing, operating, and maintaining the equipment. Symbol Description Indicates a part exposed to high voltage. This symbol warns operators that both direct and indirect contact with the power grid is fatal.

  • Page 12: Personnel Requirements

    1.2 Personnel Requirements  Personnel who plan to install or maintain Huawei equipment must receive thorough training, understand all necessary safety precautions, and be able to correctly perform all operations. ...
  • Page 13 TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 1 Safety Precautions  The power system is energized by power sources with hazardous voltage. Direct or indirect contact (through damp objects) with the power sources may result in electric shock.  Non-standard and improper operations may result in fire or electric shock.

  • Page 14: Installation Environment Requirements

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 1 Safety Precautions 1.4 Installation Environment Requirements  To prevent fire due to high temperature, ensure that the ventilation vents or heat dissipation system are not blocked when the equipment is running. ...

  • Page 15: Mechanical Safety

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 1 Safety Precautions  Set a restricted area and eye-catching signs for working at heights to warn away irrelevant personnel.  Carry the operation machinery and tools properly to prevent them from falling off and causing injuries.
  • Page 16 TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 1 Safety Precautions  Do not drag steel ropes and hoisting tools or bump hoisted objects against hard objects during hoisting. Using Ladders  Use wooden or fiberglass ladders when you need to perform live working at heights.
  • Page 17 TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 1 Safety Precautions  Keep your body steady.  Do not climb higher than the fourth rung of the ladder from the top.  To climb onto a roof, ensure that the ladder top is at least one meter higher than the roof line, as shown in the following figure.

  • Page 18: Battery Safety

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 1 Safety Precautions  Move or lift the equipment by holding its handles or lower edges. Do not hold the handles of modules (such as power supply units, fans, and boards) that are installed in the equipment because they cannot support the weight of the equipment.
  • Page 19 TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 1 Safety Precautions  Do not use a damaged battery.  To prevent injuries or explosion, do not allow children or pets to swallow or bite a battery.  If batteries experience discoloration, deformation, abnormal heating, or other abnormalities during working, charging, or storage, stop using the batteries and replace them with new ones.
  • Page 20 TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 1 Safety Precautions  Do not use unsealed lead-acid batteries.  To prevent fire or corrosion, ensure that flammable gas (such as hydrogen) is properly exhausted for lead-acid batteries. Lead-acid batteries emit flammable gas when used. Ensure that batteries are kept in a well-ventilated area and take preventive measures against fire.
  • Page 21 TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 1 Safety Precautions  When maintenance is complete, return the waste lithium battery to the maintenance office. Issue 03 (2019-11-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 22: Overview

    User Manual 2 Overview Overview 2.1 Overview The TP48200A-HT15D3 is an integrated communications power system that supplies power to and backs up power for –48 V DC outdoor communications equipment. Figure 2-1 shows the TP48200A-HT15D3. Figure 2-1 TP48200A-HT15D3 Issue 03 (2019-11-15)

  • Page 23: Model Number Description

    Network application over a fast Ethernet (FE) port and an RS485/RS232 port.  Communication with Huawei NetEco or third-party network management systems (NMS) over protocols such as the Simple Network Management Protocol (SNMP) and Hypertext Transfer Protocol (HTTPS) to enable remote management and unattended working.

  • Page 24: Configurations

    The SMU monitors and regulates the temperature control unit based on the temperature measured by the temperature sensor to ensure the normal operating temperature for the cabinet. Figure 2-3 Conceptual diagram 2.5 Configurations Table 2-1 describes the TP48200A-HT15D3 configurations. Table 2-1 Configurations Item Configuration Application...
  • Page 25 TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 2 Overview Item Configuration 500 W heater Heat dissipation  Equipment compartment: heat exchanger  Battery compartment: TEC SMU02B UIM02C Sensors  Mandatory: battery temperature sensor, door status sensor, smoke sensor, and equipment compartment temperature sensor ...

  • Page 26: Components

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 3 Components Components 3.1 Interior Figure 3-1 shows the TP48200A-HT15D3 interior. Issue 03 (2019-11-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 27 TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 3 Components Figure 3-1 Interior (2) AC surge protective (3) AC input circuit breaker (1) DC PDU device (SPD) and terminal (4) AC PDU (5) Battery switch (behind (6) Space for installing the cover)

  • Page 28: Pdu

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 3 Components 3.2 PDU Figure 3-2 and Figure 3-3 show TP48200A-HT15D3 PDUs. Table 3-1 lists power distribution specifications. Figure 3-2 AC PDU (1) Maintenance socket and circuit breaker (2) AC output circuit breakers...

  • Page 29: Battery Switch

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 3 Components Item Specifications AC input One 3-pole 63 A AC input circuit breaker AC output  Three 1-pole 16 A AC output circuit breaker (connected to the heater)  One 16 A maintenance socket with a residual current device (RCD)
  • Page 30 TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 3 Components Figure 3-5 Rectifier (1) Run indicator (2) Alarm indicator (3) Fault indicator (4) Locking latch (5) Handle Table 3-2 Rectifier indicator description Indicator Color Status Description Green Steady on The rectifier has an AC power input.

  • Page 31: Smu02B

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 3 Components 3.4 SMU02B Panel Figure 3-6 SMU02B panel (1) Run (2) Minor alarm indicator (3) Major alarm indicator indicator (4) Buttons (5) USB port (protected by a security (6) RS485/RS232 port mechanism)
  • Page 32 After installing the specific WiFi module using the USB port, you can access the WebUI locally, which facilitates operations. Using WiFi modules provided by another vendor may cause data loss or function exception. Consequences arising from this will not be borne by Huawei. Issue 03 (2019-11-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 33 TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 3 Components Communications Ports Table 3-5 Communication port description Communications Port Communications Communications Protocol Parameter 10/100M autonegotiation HTTPS, NetEco protocol, SNMP and TCP-Modbus protocol Baud rate: 1200bit/s, Master/slave protocol, YDN RS485/RS232 2400bit/s, 4800bit/s,...

  • Page 34: Uim02C

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 3 Components Signal Description Receives data over RS485. RX232 Receives data over RS232. TX232 Transmits data over RS232. PGND Connects to the ground. – 3.5 UIM02C Panel The user interface module (UIM02C) supports eight dry contact outputs, six dry contact...
  • Page 35 TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 3 Components Port Type Silk Screen Description Dry contact input ports DIN1 NOTE For the associations between the dry contact input ports and DIN2 alarms, see the appendix. DIN3 DIN4 DIN5 DIN6 Dry contact output ports...
  • Page 36 TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 3 Components Figure 3-9 Pins in the COM port Table 3-10 Pin definitions for the COM port Signal Description Receives data over RS485. Sends data over RS485. PGND Connects to the ground. 3, 7, 8...

  • Page 37: Heater

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 3 Components Table 3-11 UIM02C pin definitions Silkscreen Pin Definitions TEM-HUM 12 V ENV_TEMP 12 V ENV_HUM WATER 12 V WATER Not defined TEMP1 TEMP1 TEMP2 TEMP2 GATE GATE+ GATE- SMOKE SMOKE BTEMP BTEMP 3.6 Heater...

  • Page 38: Tcu

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 3 Components Figure 3-11 Heater (1) Indicators (2) Alarm dry contact (3) Control dry contact (4) AC input port Table 3-12 Indicator description Silk Color Status Description Screen Green Steady on The heater has been powered on and has conducted a self-test.

  • Page 39: Tec

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 3 Components core from top to bottom, then releases heat to change to cold air, and finally returns to the equipment compartment through the internal air exhaust vent under the heat exchanger. External circulation: Natural air is drawn by the external circulation fan under the heat...
  • Page 40 TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 3 Components Figure 3-13 TEC04C (1) External circulation (2) External heat sink (3) Semiconductor refrigeration chip (4) Internal heat sink (5) Internal circulation TCUA The TCUA controls the running of the fans and refrigeration chip and monitors the TEC. It reports alarms when faults occur.
  • Page 41 TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 3 Components Figure 3-14 TCUA (1) Power input port (2) External circulation fan (3) External circulation fan port 1 port 2 (4) Boolean value port (5) Door status sensor port (6) E-label port (reserved)
  • Page 42 TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 3 Components Function Working Principle heat and returns to the external environment from the air exhaust vent of the external heat sink. The air exchange between the internal and external environment is implemented so far.

  • Page 43: Optional) Intelligent Battery Detector

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 3 Components 3.8 (Optional) Intelligent Battery Detector An intelligent battery detector performs preventive maintenance inspection on battery strings and reports running data to the host. It monitors the voltages of 2–12 V batteries and supports cascading.
  • Page 44 TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 3 Components Figure 3-17 Port Description (1) Battery ports (2) DIP switch (3) Indicators (4) Temperature measurement (5) Current measurement (6) RS485 communications ports ports ports (7) Ground terminal (8) Power input ports...
  • Page 45 TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 3 Components Dry Contact Type Silkscreen Description BAT17+ Positive terminal of battery 17 BAT16+ Positive terminal of battery 16 BAT15+ Positive terminal of battery 15 BAT14+ Positive terminal of battery 14 BAT13+ Positive terminal of battery 13...

  • Page 46: Sensor And Lamp

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 3 Components 3.9 Sensor and Lamp 3.9.1 Smoke Sensor Figure 3-18 shows a smoke sensor. Figure 3-18 Smoke sensor (1) Wiring port (2) Base (3) Indicator 3.9.2 Temperature and Humidity Sensor Figure 3-19 Temperature and humidity sensor 1 Issue 03 (2019-11-15) Copyright ©...

  • Page 47: Water Sensor

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 3 Components Figure 3-20 Temperature and humidity sensor 2 3.9.3 Water Sensor Figure 3-21 Water sensor Issue 03 (2019-11-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 48: Battery Temperature Sensor

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 3 Components 3.9.4 Battery Temperature Sensor Figure 3-22 Battery temperature sensor 3.9.5 Temperature Sensor for the Equipment Compartment Figure 3-22 shows the temperature sensor for the equipment compartment. 3.9.6 Door Status Sensor Figure 3-23 Door status sensor...

  • Page 49: Optional) Light

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 3 Components 3.9.7 (Optional) Light Figure 3-24 Light Issue 03 (2019-11-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 50: Maintenance

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 4 Maintenance Maintenance 4.1 Routine Maintenance Perform routine maintenance periodically based on site requirements. The recommended interval is six months. If any fault occurs, rectify it in a timely manner. Table 4-1 Routine maintenance checklist...

  • Page 51: Rectifying Common Faults

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 4 Maintenance Item Check Whether Check Method Repair When Measure Preventive Indicators are By observation An alarm is generated. maintenance normal. Appearance The paint or By observation The cabinet is damaged Repaint and repair electroplated coating or deformed.

  • Page 52: Ac Under Volt

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 4 Maintenance 4.2.3 AC Under Volt Possible Causes  The AC undervoltage alarm threshold is incorrectly set on the SMU.  The power grid is faulty. Measures Check whether the AC undervoltage alarm threshold is correctly set. If not, set the threshold to the correct value.

  • Page 53: Batt Chg. Overcur

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 4 Maintenance Check whether the system voltage has been manually set to a very low value. If so, check with other maintenance personnel whether the voltage can be changed to a normal value.

  • Page 54: Batt Loop Trip

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 4 Maintenance Check whether batteries are manually disconnected. If so, check with other maintenance personnel whether the batteries can be reconnected. Check whether the battery disconnection voltage (43 V DC by default) has been set to a very high value on the SMU.

  • Page 55: High Amb. Humi

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 4 Maintenance  The temperature control system is faulty in the cabinet where the ambient temperature sensor is located.  The ambient temperature sensor is faulty. Measures Check whether the low ambient temperature alarm threshold (0° C by default) is correctly set.

  • Page 56: Batt. High Temp

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 4 Maintenance 4.2.14 Batt. High Temp. This alarm is generated only for the power system that has a battery temperature sensor installed. Possible Causes  The high battery temperature alarm threshold is incorrectly set.

  • Page 57: Water Alarm

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 4 Maintenance Measures Close cabinet doors. Check whether the door status sensor is faulty. If yes, replace the door status sensor. 4.2.17 Water Alarm This alarm is generated only for the power system that has a water sensor installed.

  • Page 58: Rect Protection

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 4 Maintenance 4.2.20 Rect Protection Possible Causes  The rectifier input voltage is too high.  The rectifier input voltage is too low.  The ambient temperature is too high.  The rectifier is abnormal.

  • Page 59: Dc Spd Fault

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 4 Maintenance 4.2.23 DC SPD Fault Possible Causes  The DC SPD detection cable is disconnected.  The DC SPD is faulty. Measures Check whether the DC SPD detection cable is disconnected. If so, reconnect the cable.

  • Page 60: Parts Replacement

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 4 Maintenance  The SMU fails to communicate with the connected lower-level devices even though the communications cables are correctly connected.  Communication between the SMU and all rectifiers fails even though the rectifiers and the communications cables are normal.

  • Page 61: Replacing An Ac Spd Module

    Figure 4-2 Installing a rectifier Step 7 Remove the protective gloves. ----End Follow-up Procedure Pack the removed component and send it to the local Huawei warehouse. 4.4.2 Replacing an AC SPD Module Prerequisites  An ESD wrist strap, ESD gloves, ESD box or bag, and cabinet door key are available.

  • Page 62: Replacing A Circuit Breaker

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 4 Maintenance Do not replace an AC SPD module during a thunderstorm. Procedure Step 1 Connect the ground cable of the ESD wrist strap, and wear the ESD wrist strap and ESD gloves.
  • Page 63 TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 4 Maintenance Procedure Step 1 Switch off the circuit breaker that is to be replaced. Step 2 Record the positions where the output cable and signal cable terminals connect to the circuit breaker.

  • Page 64: Replacing The Pcb Of Uim02C

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 4 Maintenance Figure 4-5 Installing the new circuit breaker ----End Follow-up Procedure Check that the load fuse blown alarm has disappeared. 4.4.4 Replacing the PCB of UIM02C Prerequisites  An ESD wrist strap, ESD gloves, ESD box or bag, cabinet door key, and required tools are available.
  • Page 65 TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 4 Maintenance Figure 4-6 Taking out the main board of UIM02C Step 4 Remove the –48 V power cable from the PCB of UIM02C. Figure 4-7 Removing the –48 V power cable Step 5 Record the positions where the PCB of UIM02C connects to all the cables, and then disconnect the cables.

  • Page 66: Replacing An Smu

    Step 12 Disconnect the ground cable from the ESD wrist strap, and remove the ESD wrist strap and ESD gloves. ----End Follow-up Procedure Pack the removed component and return it to the local Huawei warehouse. 4.4.5 Replacing an SMU Prerequisites ...

  • Page 67: Replacing The Internal Fan Of The Heat Exchanger

    Step 5 Reset the parameters on the SMU. Figure 4-10 Installing an SMU ----End Follow-up Procedure Pack the removed component and send it to the local Huawei warehouse. 4.4.6 Replacing the Internal Fan of the Heat Exchanger Prerequisites  You have obtained an ESD wrist strap, a pair of ESD gloves, an ESD box or bag, the cabinet door key, and the maintenance tool box.
  • Page 68 TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 4 Maintenance Procedure Step 1 Disconnect the –48V power cable from the UIM02C. Connect the ground cable to the ESD wrist strap and wear the ESD wrist strap and ESD gloves. Record the position where the UIM02C panel connects to the signal cable, and then disconnect the signal cable.

  • Page 69: Replacing The External Fan For The Heat Exchanger

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 4 Maintenance Figure 4-12 Removing the internal fan Step 5 Place the new fan based on the recorded installation direction (see the arrow marks on the fan), place the fan guard cover, and tighten the screws.
  • Page 70 TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 4 Maintenance Install the fan according to the airflow directions. Avoid installing the fan in reverse. Context You only need to disconnect the power cable for the fan, but do not need to disconnect the AC input for the system.

  • Page 71: Replacing The Heat Exchanger Core

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 4 Maintenance Figure 4-14 Installing a new external fan Step 5 Connect the wiring terminal for the fan. The two terminals for fans can be exchanged. Step 6 Connect the –48 V power cable to the UIM02C.
  • Page 72 TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 4 Maintenance Connect the ground cable to the ESD wrist strap and wear the ESD wrist strap and ESD gloves. Record the position where the UIM02C panel connects to the signal cable, and then disconnect the signal cable.

  • Page 73: Replacing The Tcua Control Board

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 4 Maintenance Step 5 Install the heat exchanging core. Step 6 Take off protective gloves. Step 7 Connect the –48V power cable to the UIM02C. Step 8 Push in the UIM02C and secure the screws.
  • Page 74 TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 4 Maintenance Figure 4-16 Removing a TCUA Step 3 Remove the TCUA control board. Unscrew and remove the TCUA control board, as shown in Figure 4-17. Issue 03 (2019-11-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 75 TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 4 Maintenance Figure 4-17 Removing a TCUA control board Record the positions of TEC cables connected to the TCUA control board, disconnect the cables, and remove the TCUA control board. Record the positions of the jumper caps on the TCUA control board, as shown in Figure 4-18.

  • Page 76: Replacing The Tec

    Step 6 Disconnect the ground cable for the ESD wrist strap, and take off the ESD wrist strap and ESD gloves. ----End Follow-up Procedure Pack the removed component, and return it to Huawei local warehouse. 4.4.10 Replacing the TEC Prerequisites ...
  • Page 77 TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 4 Maintenance Figure 4-19 Removing the cover from the cabinet door Unscrew and remove the TEC, as shown in Figure 4-20. Issue 03 (2019-11-15) Copyright © Huawei Technologies Co., Ltd.
  • Page 78 Step 6 Disconnect the ground cable for the ESD wrist strap, and take off the ESD wrist strap and ESD gloves. ----End Follow-up Procedure Pack the removed component, and return it to Huawei local warehouse. Issue 03 (2019-11-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 79: Replacing The Heater

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 4 Maintenance 4.4.11 Replacing the Heater Prerequisites You have obtained an ESD wrist strap, ESD gloves, protective gloves, the cabinet door key, and tools. Context Disconnect the AC input circuit breaker for the heater, instead of the AC input to the power system.

  • Page 80: Replacing A Smoke Sensor

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 4 Maintenance 4.4.12 Replacing a Smoke Sensor Prerequisites  An ESD wrist strap, ESD gloves, ESD box or bag, cabinet door key, and required tools are available.  The new smoke sensor is intact.

  • Page 81: Replacing A Door Status Sensor

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 4 Maintenance Figure 4-22 Removing the smoke sensor Step 3 Install the new smoke sensor. Place the smoke sensor base correctly and tighten the screws for it. Place the new smoke sensor correctly and press and push it in the CLOSE direction.
  • Page 82 TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual 4 Maintenance Procedure Step 1 Open the cabinet door and remove the shell of the door status sensor. Step 2 Record the positions where the alarm cables connect to the door status sensor, and unscrew the alarm cables.

  • Page 83: A Technical Specifications

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual A Technical Specifications Technical Specifications A.1 Environment Specifications Table A-1 Environment specifications Item Specifications –40℃ to +45℃ Operating temperature –40℃ to +70℃ Transport temperature –40℃ to +70℃ Storage temperature Operating humidity 5%–95% Storage humidity 5%–95%...

  • Page 84: Emc Specifications

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual A Technical Specifications Item Specifications –42 V DC to –58 V DC DC output Output voltage range –53.5 V DC Default output voltage Output power Maximum output power = Output power of a single rectifier x Number of rectifiers ≤...

  • Page 85: Cabinet Specifications

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual A Technical Specifications Item Specifications Harmonic EN61000-3-12 Voltage fluctuation and flick EN61000-3-11 Electromagnetic Electrostatic discharge (ESD) EN61000-4-2 susceptibility (EMS) Contact discharge: 6 kV (criterion B); air discharge: 8 kV (criterion B) Electrical fast transient (EFT) IEC61000-4-4 Signal port: ±...

  • Page 86: Heater Specifications

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual A Technical Specifications A.5 Heater Specifications Table A-5 Heater specifications Item Specifications Input voltage 220 V AC single-phase or 110 V AC dual-live wire Voltage frequency Rated frequency: 50 Hz or 60 Hz Operating temperature -40°...
  • Page 87 TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual A Technical Specifications Item Specifications Light source type Light emitting diode (LED) ≥ 300 cd/m Luminosity , at a distance of 500 mm away from the LED cover Dimensions (L x maximum shape diameter)

  • Page 88: B Electrical Conceptual Diagram

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual B Electrical Conceptual Diagram Electrical Conceptual Diagram Figure B-1 Electrical conceptual diagram Issue 03 (2019-11-15) Copyright © Huawei Technologies Co., Ltd.

  • Page 89: C Associations Between Alarms And Dry Contacts On The Uim

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) C Associations Between Alarms and Dry Contacts on the User Manual Associations Between Alarms and Dry Contacts on the UIM Table C-1 Associations between dry contacts and alarms Dry Contact Type Silk Screen Associated Alarm...

  • Page 90: D Cables Connection Of Tcua Control Board

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual D Cables Connection of TCUA Control Board Cables Connection of TCUA Control Board Figure D-1 Cables Connection of TCUA Control Board (1) TEC refrigeration (2) TEC internal circulation (3) TEC external circulation chip port...

  • Page 91: E Acronyms And Abbreviations

    TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual E Acronyms and Abbreviations Acronyms and Abbreviations BLVD Battery low voltage disconnection Electromagnetic compatibility Electromagnetic interference Electromagnetic susceptibility HTTPS Hypertext Transfer Protocol Secure Load low voltage disconnection LLVD International Electrotechnical Commission MTBF Mean time between failures...
  • Page 92 TP48200A-HT15D3 Telecom Power (Russia, Megafon) User Manual E Acronyms and Abbreviations Temperature control unit A TCUA User interface module Issue 03 (2019-11-15) Copyright © Huawei Technologies Co., Ltd.

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