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Huawei Telecom Power TP48120A-HD15A1 User Manual

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TP48120A-HD15A1, TP48120A-HD15A2,
TP48200A-HD15A1, and TP48200A-HD15A2
Telecom Power
User Manual
Issue
03
Date
2020-01-04
HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei Telecom Power TP48120A-HD15A1

  • Page 1 TP48120A-HD15A1, TP48120A-HD15A2, TP48200A-HD15A1, and TP48200A-HD15A2 Telecom Power User Manual Issue Date 2020-01-04 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

    NOTICE is used to address practices not related to personal injury. Supplements the important information in the main text. NOTE is used to address information not related to personal injury, equipment damage, and environment deterioration. Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.
  • Page 4 Changes between document issues are cumulative. The latest document issue contains all the changes made in earlier issues. Issue 03 (2020-01-04) Optimized the content about rectifiers. Issue 02 (2014-04-15) Parts replacement is modified. Issue 01 (2014-02-19) This issue is the first official release. Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 5: Table Of Contents

    3.6 Sensor and Lamp ..............................36 3.6.1 (Optional) Smoke Sensor ...........................36 3.6.2 (Optional) Temperature and Humidity Sensor .....................37 3.6.3 Battery Temperature Sensor ..........................38 3.6.4 (Optional) Water Sensor .............................38 3.6.5 (Optional) Lamp ..............................38 4 Maintenance ..........................39 Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.
  • Page 6 4.4.7 Replacing the Internal Circulation Fan of the Heat Exchanger ................59 4.4.8 Replacing the External Circulation Fan of the Heat Exchanger ................62 4.4.9 Replacing the Heat Exchanger Core ........................64 4.4.10 Replacing a Battery Temperature Sensor ......................65 Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.
  • Page 7 Power User Manual Contents A Technical Specifications ....................... 68 B Electrical Conceptual Diagrams................... 72 C Associations between Alarms and the Dry Contacts on the UIM........73 D Acronyms and Abbreviations....................74 Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • 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 Installation personnel mark tightened bolts in blue. Quality inspection personnel confirm if the bolts are tightened and then mark them in red. (The marks should cross the edges of the bolts, as shown in the following figure.) Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.
  • Page 10 To avoid electric shock, do not connect safety extra-low voltage (SELV) circuits to telecommunication network voltage (TNV) circuits.  Do not power on the equipment before it is installed or confirmed by professionals. Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.
  • Page 11 2. If there are multiple output ports, use the symbol near the output ports. Connect cables according to the rated power output and configuration parameter information in the instruction. 3. If there are multiple slots, use the symbol near the slot Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • 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 When holding a board, hold its edge without touching any components. Do not touch the components with your bare hands.  Package boards with ESD packaging materials before storing or transporting them. Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 14: Installation Environment Requirements

    Do not mount it on an insecure moveable object or metal object with sharp edges. Make sure that the hooks will not slide off. Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 15: Mechanical Safety

    Before hoisting objects, ensure that hoisting tools are firmly secured onto a load-bearing object or wall.  Ensure that the angle formed by two hoisting cables is no more than 90 degrees, as shown in the following figure. Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.
  • Page 16 75 degrees, as shown in the following figure. An angle rule can be used to measure the angle. When climbing a ladder, take the following precautions to reduce risks and ensure safety: Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.
  • Page 17 Moving Heavy Objects  Be cautious to avoid injury when moving heavy objects.  When moving the equipment by hand, wear protective gloves to prevent injuries. Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 18: Battery Safety

     Dispose of waste batteries in accordance with local laws and regulations. Do not dispose of batteries as household waste. If a battery is disposed of improperly, it may explode. Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.
  • Page 19  If permitted, disconnect the batteries in use before performing any other operations.  To avoid battery short-circuit, do not maintain batteries with power on. Flammable Gas Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.
  • Page 20 When the ambient temperature is lower than the lower limit of the operating temperature (charge is forbidden at 0° C), do not charge the battery. Otherwise, a short circuit would occur inside the battery.  Do not throw a lithium battery in fire. Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.
  • Page 21 TP48120A-HD15A1, TP48120A-HD15A2, TP48200A-HD15A1, and TP48200A-HD15A2 Telecom Power User Manual 1 Safety Precautions  When maintenance is complete, return the waste lithium battery to the maintenance office. Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 22: Overview

    -48 V DC outdoor communications equipment. The TP48120A-HD15A1, TP48120A-HD15A2, TP48200A-HD15A1, and TP48200A-HD15A2 have the same appearance, as shown in Figure 2-1. Figure 2-1 TP48120A-HD15A1, TP48120A-HD15A2, TP48200A-HD15A1, or TP48200A-HD15A2 Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 23: Model Number Description

    One COM port and one RS485/RS232 port for network connection  Huawei network management system (NMS) protocol for communicating with HUAWEI Network Ecosystem (NetEco), M2000, and a third-party NMS; remote management and unattended operation  Liquid crystal display (LCD) for display and buttons for user operations ...

  • Page 24: Working Principles

    Figure 2-4 Conceptual diagram 2.5 Configurations Table 2-1 lists TP48120A-HD15A1, TP48120A-HD15A2, TP48200A-HD15A1, and TP48200A-HD15A2 configurations. Table 2-1 Configurations Item TP48120A- TP48120A- TP48200A- TP48200A- HD15A1 HD15A2 HD15A1 HD15A2 Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.
  • Page 25 2 km away from medium pollution sources, such as chemical, rubber, and galvanization industries, and 1 km away from light pollution sources, such as packing houses, tanneries, and boiler rooms. Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 26: Components

    User Manual 3 Components Components 3.1 Interior Figure 3-1 shows the TP48120A-HD15A1 interior. Figure 3-2 shows the TP48120A-HD15A2 interior. Figure 3-3 shows the TP48200A-HD15A1 interior. Figure 3-4 shows the TP48200A-HD15A2 interior. Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.
  • Page 27 (LLVD) circuit breakers (4) AC surge (5) AC input circuit breakers (6) ESD wrist strap protective device (SPD) (7) Ground bar (8) Space for installing (9) Cable holes Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.
  • Page 28 (11) Battery low voltage (12) Internal circulation fan installing batteries disconnection (BLVD) circuit breakers (13) Battery circuit (14) SMU06C (15) Rectifiers breakers (16) RTN+ busbar (17) Heat exchanger core (18) External circulation fan Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.
  • Page 29 (1) AC output circuit (2) Maintenance socket (3) Load low voltage breakers and terminals disconnection (LLVD) circuit breakers (4) AC surge (5) AC input circuit breakers (6) ESD wrist strap protective device (SPD) Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.
  • Page 30 (12) Internal circulation fan installing batteries disconnection (BLVD) circuit breakers (13) Battery circuit (14) SMU06C (15) Rectifiers breakers (16) RTN+ busbar (17) Heat exchanger core (18) External circulation fan (19) Heater Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.
  • Page 31 (LLVD) circuit breakers (4) AC surge (5) AC input circuit breakers (6) ESD wrist strap protective device (SPD) (7) Ground bar (8) Space for installing (9) Cable holes Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.
  • Page 32 (11) Battery low voltage (12) Internal circulation fan installing batteries disconnection (BLVD) circuit breakers (13) Battery circuit (14) SMU06C (15) Rectifiers breakers (16) RTN+ busbar (17) Heat exchanger core (18) External circulation fan Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.
  • Page 33 (LLVD) circuit breakers (4) AC surge (5) AC input circuit breakers (6) ESD wrist strap protective device (SPD) (7) Ground bar (8) Space for installing (9) Cable holes Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 34: Pdu

    AC surge protection. Nominal lightning strike discharge current: 20 kA (8/20 µ s); maximum lightning strike discharge current: 40 kA (8/20 µ s)  DC surge protection. Differential mode: 10 kA (8/20 µ s); common mode: 20 kA (8/20 µ s) Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 35: Battery Switch

    (2) Alarm indicator (3) Fault indicator (4) Locking latch (5) Handle Table 3-2 Rectifier indicators Indicator Color Status Description Power indicator Green Steady on The rectifier has an AC power input. Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 36: Smu06C

    The rectifier locks out due to output overvoltage. The rectifier has no output due to an internal fault. 3.4 SMU06C Figure 3-7 SMU06C panel (1) Alarm indicator (2) Run indicator (3) LCD Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.
  • Page 37 The LCD screen luminance increases or decreases if you hold down simultaneously for more than 2 seconds.  The SMU is reset if you hold down simultaneously for more than 10 seconds. Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.
  • Page 38 Table 3-6 Description of pins in the COM and RS485/RS232 ports pins port Name Signal Description COM port COM_R+ Receives data COM_R- COM_T+ Sends data COM_T- Signal ground RS485/RS232 port RS485_T+ Sends data Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.
  • Page 39 DIN3 DIN4 DIN5 DIN6 Dry contact output ports ALM1 NOTE For details about the alarms associated ALM2 with dry contact outputs, see the appendix. ALM3 ALM4 ALM5 ALM6 ALM7 ALM8 Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.
  • Page 40 Silk Screen Description Pin Definition TEM-HUM Ambient temperature and humidity sensor ENV_TEMP ENV_HUM WATER Water sensor WATER GATE Door status sensor GATE+ GATE- SMOKE Smoke sensor SMOKE BTEMP Battery temperature BTEMP1 sensor Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 41: Tcu

    Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 42: Heater

    The heater is powered on and takes a self-test. The heater is not powered on. No alarm is generated. Steady on An alarm is generated and the heater needs to be replaced. Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 43: Sensor And Lamp

    3.6 Sensor and Lamp 3.6.1 (Optional) Smoke Sensor Figure 3-12 Smoke sensor 1 (1) Wiring port (2) Base (3) Indicator Figure 3-13 Smoke sensor 2 (1) Wiring port (2) Base (3) Indicator Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 44: Optional) Temperature And Humidity Sensor

    TP48120A-HD15A1, TP48120A-HD15A2, TP48200A-HD15A1, and TP48200A-HD15A2 Telecom Power User Manual 3 Components 3.6.2 (Optional) Temperature and Humidity Sensor Figure 3-14 Temperature and humidity sensor 1 Figure 3-15 Temperature and humidity sensor 2 Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 45: Battery Temperature Sensor

    TP48200A-HD15A1, and TP48200A-HD15A2 Telecom Power User Manual 3 Components 3.6.3 Battery Temperature Sensor Figure 3-16 Battery temperature sensor 3.6.4 (Optional) Water Sensor Figure 3-17 Water sensor 3.6.5 (Optional) Lamp Appearance Figure 3-18 Lamp Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 46: Maintenance

    Replace the heater. normally. checking the damaged and temperature. cannot effectively heat the air. Electrical The output voltage is Multimeter. The battery circuit For details, see specifications normal. voltage or load Rectifying Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 47: Rectifying Common Faults

    Check whether the AC input voltage is lower than 50 V AC. If yes, handle the mains grid fault. 4.2.2 AC Over Volt Possible Causes  The AC overvoltage alarm threshold is not set properly on the SMU.  The power grid is faulty. Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 48: Ac Under Volt

     The power system voltage is set too low in manual mode.  Rectifiers are faulty. Measures Check whether an AC power failure occurs. If yes, resume the AC power supply. Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 49: Batt Chg. Overcur

    If yes, replace the faulty rectifier. Check whether the load current is greater than the current power system capacity. If yes, expand the power system capacity or reduce the load power. Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 50: Blvd Disconnected

    Possible Causes  The ambient overtemperature alarm threshold is not set properly on the SMU.  The temperature control system is faulty in the cabinet where the ambient temperature sensor is located. Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 51: Low Amb. Temp

    Check whether water intrudes into the cabinet. If yes, wipe the water with dry cotton or other tools and rectify the fault. Check whether the humidity sensor is faulty. If yes, replace the humidity sensor. Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 52: Low Amb. Humi

    This alarm is generated only for the power system that has battery temperature sensor installed. Possible Causes  The battery undertemperature alarm threshold is not set properly on the SMU.  The battery temperature controlling system is faulty.  The battery temperature sensor is faulty. Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 53: Door Alarm

    4.2.18 Smoke Alarm This alarm is generated only for the power system that has smoke sensors installed. Possible Causes  There is smoke inside the cabinet.  The smoke sensor is faulty. Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 54: Rect Fault

    4.2.21 Rect Comm Fault Possible Causes  The rectifier is removed.  The rectifier is in poor contact.  The rectifier is faulty. Measures Check whether the rectifier is removed. If yes, reinstall it. Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 55: Ac Spd Alarm

    The input voltage is normal, but the resistance between both ends of the circuit breaker is less than 1 kΩ when the circuit breaker is OFF. 4.3.3 Identifying Rectifier Faults A rectifier is damaged if any of the following conditions is not met: Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 56: Identifying Smu Faults

    FAN-POWER cable. 4.4.1 Replacing a Rectifier Prerequisites  You have obtained a pair of protective gloves and the cabinet door key.  The new rectifier is intact. Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.
  • Page 57 Step 6 Gently slide the converter into the slot along guide rails until it is engaged. Close the handle, and push the locking latch towards the right to lock the handle, as shown in Figure 4-2. Figure 4-2 Installing a rectifier Step 7 Take off protective gloves. ----End Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 58: Replacing The Smu06C Main Control Board

    Power User Manual 4 Maintenance Follow-up Procedure Pack the removed component, and return it to Huawei local warehouse. 4.4.2 Replacing the SMU06C Main Control Board Prerequisites  You have obtained an ESD wrist strap, a pair of ESD gloves, an ESD box or bag, the cabinet door key, and tools.
  • Page 59 Step 8 Unscrew and remove the cover on the main control board, as shown in Figure 4-5. Figure 4-5 Removing the Cover from the Main Control Board Step 9 Unscrew and remove the main control board, as shown in Figure 4-6. Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 60: Installing The Smu06C Fan Extended Board

    Step 18 Disconnect the ground cable from 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. 4.4.3 Installing the SMU06C Fan Extended Board Prerequisites ...
  • Page 61 Step 11 Insert the SMU06C, and tighten the screws. Step 12 Connect the signal cable to the SMU06C based on the recorded information. Step 13 Flip the battery switch back to AUTO. Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 62: Replacing The Smu06C Lcd

    Step 14 Disconnect the ground cable from 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. 4.4.4 Replacing the SMU06C LCD Prerequisites ...
  • Page 63 Step 15 Flip the battery switch back to AUTO. Step 16 Disconnect the ground cable from the ESD wrist strap, and take off the ESD wrist strap and ESD gloves. ----End Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 64: Replacing An Ac Spd Module

    Power User Manual 4 Maintenance Follow-up Procedure Pack the removed component, and return it to Huawei local warehouse. 4.4.5 Replacing an AC SPD Module Prerequisites  You have obtained an ESD wrist strap or a pair of ESD gloves, an ESD box or bag, and the cabinet door key.

  • Page 65: Replacing A Circuit Breaker

    Then loosen the buckle and secure the circuit breaker to the guide rail. Step 8 Tighten the screw that secures the lower port of the circuit breaker. Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 66: Replacing The Internal Circulation Fan Of The Heat Exchanger

    Step 1 Connect the ground cable for the ESD wrist strap, and put on the ESD wrist strap and ESD gloves. Step 2 Disconnect the -48 V fan power cable from the SMU06C, as shown in Figure 4-13. Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.
  • Page 67 Step 3 Disconnect the interconnection terminal from the fan power cable, and record the connection position. Step 4 Record the fan installation direction (the arrow mark on the fan), unscrew the fan, and remove the fan cover and fan, as shown in Figure 4-14. Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.
  • Page 68 Step 5 Place the new fan based on the recorded installation direction (the arrow mark on the fan), place the fan cover, and tighten the screws, as shown in Figure 4-15. Figure 4-15 Installing an internal circulation fan Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 69: Replacing The External Circulation Fan Of The Heat Exchanger

    Step 1 Connect the ground cable for the ESD wrist strap, and put on the ESD wrist strap and ESD gloves. Step 2 Disconnect the -48 V fan power cable from the SMU06C, as shown in Figure 4-16. Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.
  • Page 70 Step 5 Place the new fan based on the recorded installation direction (the arrow mark on the fan), place the fan cover, and tighten the screws, as shown in Figure 4-18. Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 71: Replacing The Heat Exchanger Core

    Protect yourself from being burnt when removing the heat exchanging core as it has a high temperature. Context You do not need to disconnect the AC input to the power system. Procedure Step 1 Remove the heat exchanging core, as shown in Figure 4-19. Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 72: Replacing A Battery Temperature Sensor

    Prepare an ESD wrist strap, a pair of ESD gloves, an ESD box or bag, the cabinet door key, and tools.  Check that the new battery temperature sensor is intact. Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.
  • Page 73 Step 2 Remove the battery temperature sensor cable from the UIM, as shown in Figure 4-20. Figure 4-20 Removing the battery temperature sensor cable Step 3 Cut off the cable tie of the battery temperature sensor and remove the sensor. Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.
  • Page 74 Step 5 Reconnect the battery temperature sensor cable to the UIM. Step 6 Disconnect the ground cable from the ESD wrist strap, and take off the ESD wrist strap and ESD gloves. ----End Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 75: A Technical Specifications

    TP48200A-HD15A1: 220/380 V AC three-phase, four-wire input, compatible with 220 V AC single-phase  TP48200A-HD15A2: 220/380 V AC three-phase, four-wire input, compatible with 220 V AC single-phase Input voltage 85-300 V AC Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.
  • Page 76 DC surge protection Differential mode: 10 kA (8/20 µ s); common mode: 20 kA (8/20 µ s) Safety and IEC/EN60950-1 regulatory design Mean time between 200,000 hours (at 25° C) failures (MTBF) Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.
  • Page 77 Protection level  Equipment compartment: IP55  Battery compartment: IP44 Installation mode On a floor Maintenance mode Operated and maintained from the front Cable routing Routed in and out from the bottom Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.
  • Page 78 Dimensions (L x maximum shape diameter) 154 mm x 41 mm Structure A colorless and transparent lamp cover is used. The lamp is hand-held with a configured switch. ≥ 1000 h Service life Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 79: B Electrical Conceptual Diagrams

    TP48120A-HD15A1 or TP48120A-HD15A2. Figure B-2 shows the electrical conceptual diagram of the TP48200A-HD15A1 or TP48200A-HD15A2. Figure B-1 TP48120A-HD15A1 or TP48120A-HD15A2 electrical conceptual diagram Figure B-2 TP48200A-HD15A1 or TP48200A-HD15A2 electrical conceptual diagram Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 80: C Associations Between Alarms And The Dry Contacts On The Uim

    AC or DC SPD fault alarm customers. ALM5 Battery or load fuse blown alarm ALM6 Battery overtemperature or undertemperature alarm ALM7 Door status alarm ALM8 Fan, air conditioner, or heater fault alarm Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

  • Page 81: D Acronyms And Abbreviations

    HTTPS hypertext transfer protocol secure international electrotechnical commission LLVD load low voltage disconnection mean time between failures MTBF site monitoring unit Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.
  • Page 82 TP48120A-HD15A1, TP48120A-HD15A2, TP48200A-HD15A1, and TP48200A-HD15A2 Telecom Power User Manual D Acronyms and Abbreviations SNMP simple network management protocol surge protection device Issue 03 (2020-01-04) Copyright © Huawei Technologies Co., Ltd.

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