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Huawei SmartACU2000D User Manual

Huawei SmartACU2000D User Manual

Smart array controller dual opto-electronic ethernet switches
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SmartACU2000D Smart Array Controller
User Manual (Dual Opto-Electronic
Ethernet Switches)
Issue
04
Date
2023-09-26
HUAWEI TECHNOLOGIES CO., LTD.

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Summary of Contents for Huawei SmartACU2000D

  • Page 1 SmartACU2000D Smart Array Controller User Manual (Dual Opto-Electronic Ethernet Switches) Issue Date 2023-09-26 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: About This Document

    Purpose This document describes the installation, electrical connections, and maintenance operations of the outdoor cabinet SmartACU2000D Smart Array Controller (also referred to as SACU). Before you install and operate the SACU, read this document carefully to get familiar with the safety precautions, functions, and features of the device.

  • Page 4: Change History

    4.7.2 (Optional) Installing the 24 V Power Module. Updated 5.5 (Optional) Connecting DC Output Power Cables to the 24 V Power Module. Issue 01 (2022-08-17) This issue is used for first office application (FOA). Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 5: Table Of Contents

    4.7.2 (Optional) Installing the 24 V Power Module......................39 5 Electrical Connections......................41 5.1 Connecting the PE Cable..............................42 5.2 Connecting the Communications Cables for the Fiber Ring Network............... 43 5.3 Connecting the Peripheral RS485 Communications Cables................... 48 Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 6 8.4.6 Replacing the USB Port..............................67 8.4.7 Replacing the Opto-Electronic Ethernet Switch......................68 9 Technical Specifications....................... 70 A Connecting Cables Through Cable Holes................ 72 B Crimping an OT Terminal....................74 C Acronyms and Abbreviations....................75 Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 7: Safety Information

    The equipment is damaged due to force majeure such as earthquakes, floods, volcanic eruptions, debris flows, lightning strikes, fires, wars, armed conflicts, typhoons, hurricanes, tornadoes, and other extreme weather conditions. ● The equipment is operated beyond the conditions specified in this document. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 8: Personal Safety

    D ANGER During operations, use dedicated insulated tools to prevent electric shocks or short circuits. The dielectric withstanding voltage level must comply with local laws, regulations, standards, and specifications. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 9: General Requirements

    Professionals: personnel who are familiar with the working principles and structure of the equipment, trained or experienced in equipment operations and are clear of the sources and degree of various potential hazards in equipment installation, operation, maintenance Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 10: Electrical Safety

    WARNING For the equipment that needs to be grounded, install the ground cable first when installing the equipment and remove the ground cable last when removing the equipment. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 11 ● Only qualified professionals can replace a damaged cable. ● Do not scrawl, damage, or block any labels or nameplates on the equipment. Promptly replace labels that have worn out. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 12: Cabling Requirements

    0°C. Handle cables with caution, especially at a low temperature. – Cables stored at subzero temperatures must be stored at room temperature for at least 24 hours before they are laid out. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 13: Environment Requirements

    ● Keep the installation and operating environments of the equipment within the allowed ranges. Otherwise, its performance and safety will be compromised. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 14 All cable holes must be sealed. Seal the used cable holes with sealing putty. Seal the unused cable holes with the caps delivered with the equipment. The following figure shows the criteria for correct sealing with sealing putty. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 15: Mechanical Safety

    Do not drill holes into the equipment. Doing so may affect the sealing performance and electromagnetic containment of the equipment and damage components or cables inside. Metal shavings from drilling may short-circuit boards inside the equipment. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 16 When transferring a heavy object, move your feet instead of turning your waist around. When lifting and transferring a heavy object, ensure that your feet point to the target direction of movement. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 17: Using Ladders

    When climbing up the ladder, keep your body stable and your center of gravity between the side rails, and do not overreach to the sides. ● When a step ladder is used, ensure that the pull ropes are secured. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 18: Drilling Holes

    To avoid short circuits or other risks, do not drill holes into buried pipes or cables. ● When drilling holes, protect the equipment from shavings. After drilling, clean up any shavings. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 19: Overview

    Easy to use: It supports wizard-based settings, and facilitates parameter settings and device connections. ● Stable and reliable: It has a built-in surge protection module for safe and reliable industrial applications. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 20 SmartACU2000D Smart Array Controller User Manual (Dual Opto-Electronic Ethernet Switches) 2 Overview Networking Wired network: fiber ring network solution Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 21: Model

    AC output voltage of less than or equal to 800 Configuration 06: Supports seven FE links and four SFP links in the southbound and seven FE links and six SFP links in the northbound. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 22: Exterior

    Waterproof connector for ● Specifications: 3/4 in. the DI signal cable ● Inner diameter: 13–18 mm Waterproof connector for ● Specifications: 5/4 in. the AI signal cable ● Inner diameter: 20–32 mm Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 23 ● Specifications: 3/4 in. the optical cable ● Inner diameter: 13–18 mm Waterproof connector for SFP2/4G ● Specifications: 3/4 in. the optical cable, network LTE/4G ● Inner diameter: 13–18 mm cable, or 4G antenna Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 24 Otherwise, the device will be damaged. Warning label for Do not remove or install surge protection a surge protection module operation module with the power Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 25: Components

    2.4 Components NO TE For simplicity purposes, the following figure shows only the components that you need to operate and the reserved installation positions. Figure 2-4 Component locations Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 26 (SWITCH03) Opto-electronic Ethernet switch (SWITCH02) RS485 communications 12P; supports cables with a cross-sectional terminal (JX01) area ranging from 1 mm to 2.5 mm Position for the SmartModule1000A01 (SmartModule) PE bar Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 27: Working Principle

    Ethernet switches. The SACU communicates with the plant monitoring system over a dual-fiber ring network or dual-plane redundancy network. ● Dual-fiber ring network – The SACU supports dual-fiber ring network communication. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 28: Configuration In Different Scenarios

    The SACU supports dual-plane redundancy network communication. – The SmartLogger connects to the plant monitoring system over the optical fibers and Ethernet. 2.6 Configuration in Different Scenarios Figure 2-6 Networking diagram (without a SmartModule) Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 29 Company module Fitting bag Optical for optical module ring Optical switching jumper Transformer Miniature circuit breaker Recommended rated Prepared by station (MCB) current: 32 A; number of the customer poles: 2 Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 30 18 mm Single-phase ● Two-core outdoor armored copper cable 4–6 mm (4 mm AC power ● Operating voltage to the ground greater cable than or equal to 300 V Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 31: Storage Requirements

    If the SACU has been stored for a long time, it needs to be inspected by professionals before it is put into use. The Company shall not be liable for any consequence caused by violation of the storage requirements specified in this document. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 32: System Installation

    Move the equipment with caution to avoid bumping or falling, which may damage the equipment. ● After placing the equipment in the installation position, unpack it with care to prevent scratches. Keep the equipment stable during unpacking. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 33: Tools

    Extremidade aberta:32 mm Rubber mallet Crimping tool Cable cutter Utility knife Network cable SPD extracting RJ45 crimping tool Multimeter tester tool Heat shrink tubing Heat gun Vacuum cleaner Marker Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 34 4 System Installation Category Tool Steel measuring Level Cable tie Chave inglesa tape detorque Personal protective equipment (PPE) Insulated gloves Protective gloves Goggles Dust mask Safety helmet Reflective vest Insulated shoes Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 35: Installation Requirements

    500 m away from light pollution sources such as packing houses, tanneries, boiler rooms, slaughterhouses, landfill sites, and sewage treatment plants. ● Class E environment: Special environments, such as underground or underwater environments. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 36: Installing The Cabinet

    User Manual (Dual Opto-Electronic Ethernet Switches) 4 System Installation 4.5 Installing the Cabinet Figure 4-2 Marking-off template 4.5.1 Wall-mounting Prerequisites You have expansion bolts. M12x60 stainless steel expansion bolts are recommended. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 37 Step 3 Assign two persons to lift the cabinet and mount it onto the bolts, and assign another person to assist. Step 4 Tighten the bolts using a torque wrench that has an open end of 18 mm. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 38: Support-Mounting

    Step 1 Determine the hole positions by using the delivered marking-off template. For details, see Figure 4-2. Level the marking-off template using a level, and mark mounting holes using a marker. Step 2 Drill holes using a hammer drill. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 39 Step 3 Insert the M12x40 bolt assemblies delivered with the cabinet into the holes, and secure them using the supplied nuts and flat washers. NO TE Do not fully tighten the bolts. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 40 Step 4 Assign two persons to lift the cabinet and mount it onto the bolts, and assign another person to assist. Step 5 Tighten the bolts using a torque wrench that has an open end of 18 mm. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 41: Pole-Mounting

    Step 1 Secure the pole-mounting brackets to the pole and tighten the U-shaped bolts to a torque of 45 N·m using a torque wrench that has an open end of 18 mm. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 42 SmartACU2000D Smart Array Controller User Manual (Dual Opto-Electronic Ethernet Switches) 4 System Installation Figure 4-8 Securing pole-mounting brackets Step 2 Secure the SACU to the pole-mounting brackets. For details, see 4.5.2 Support- mounting. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 43: Opening The Cabinet Door

    ● Do not leave unused screws in the cabinet. Loosen the screws on the main cabinet door, open the cabinet door, and adjust the support bar. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 44: Installing The Components

    Step 2 Remove the panel at the position where the SmartModule is to be installed from the cabinet and take out the mounting kit. Step 3 Secure the mounting kit to the SmartModule. Step 4 Install the SmartModule. Figure 4-11 Installing a SmartModule Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 45: Optional) Installing The 24 V Power Module

    Step 4 Install the 24 V power module in the cabinet. Step 5 Connect the AC input power cables (delivered with the SACU) to the 24 V power module based on the cable labels. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 46 SmartACU2000D Smart Array Controller User Manual (Dual Opto-Electronic Ethernet Switches) 4 System Installation Figure 4-13 Installing a 24 V power module ----End Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 47: Electrical Connections

    ● The cable colors shown in the electrical connection diagrams provided in this chapter are for reference only. Select cables in accordance with local cable specifications (green and yellow cables are only used for protective grounding). Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 48: Connecting The Pe Cable

    ● To enhance the corrosion resistance of a ground terminal, you are advised to apply silica gel or paint on it after connecting the ground cable. Figure 5-1 Connecting a PE cable Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 49: Connecting The Communications Cables For The Fiber Ring Network

    String ESS Connecting Optical Jumpers Step 1 Obtain optical modules from the fitting bag for optical ring switching. Step 2 Insert optical modules into the SFP1 and SFP2 ports of the SmartLogger. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 50 ● Pay attention to the directions of the optical modules. The labels of the optical modules face leftwards. ● If you hear a click when inserting an optical module, it snaps into place. Then pull it back to ensure that it is secure. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 51 ● Only professionals are allowed to connect optical cables. NO TE In the optical fiber ring topology, two optical cables are required. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 52 5 Electrical Connections Figure 5-4 ATB interior (1) Fiber spool (2) Fixing points for internal (3) Cable clip steel wires of optical cables Step 1 Remove the external mechanical parts from the ATB. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 53 Step 5 Connect the peripheral optical cable to the ATB, splice the optical cable and the optical jumper, and then wind the spliced cable around the fiber spool on the ATB. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 54: Connecting The Peripheral Rs485 Communications Cables

    Table 5-3 Port definition of the JX01 terminal block Port on the JX01 Definition Terminal Block RS485-1 (+) RS485A, RS485 differential signal+ RS485-1 (–) RS485B, RS485 differential signal– RS485-2 (+) RS485A, RS485 differential signal+ Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 55: Smartacu2000D Smart Array Controller

    RS485 port on the transformer station RS485-2 RS485 port on the power meter Procedure Step 1 Prepare communications cables. Figure 5-8 Cable stripping length Step 2 Connect the communications cables to the JX01 terminal block. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 56: Connecting The Peripheral Network Cable

    Table 5-5 External device connections SACU Peripheral Device G1 port on SWITCH02 Transformer station network port Ports G2 to G7 on SWITCH02 FE ports on the Smart PCS Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 57 Verify that the network cable functions properly using a network cable tester. Step 2 Connect the peripheral network cable to the G7 port on the Ethernet switch. Step 3 Bind the network cable. Figure 5-11 Connecting a network cable ----End Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 58: Optional) Connecting Dc Output Power Cables To The 24 V Power Module

    Figure 5-12 Position for preinstalled cables Procedure Connect the cables to the 24V OUT+ and 24V OUT– ports on the power module. Figure 5-13 Connecting DC output power cables to the 24 V power module Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 59: Connecting The Single-Phase Ac Power Cable

    Figure 5-15 Connecting a cable ----End 5.7 Connecting DO/DI/AI Cables The SACU reserves the waterproof connectors for the DO, DI, and AI cables. Cable routes are provided for the signal cables. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 60 SmartACU2000D Smart Array Controller User Manual (Dual Opto-Electronic Ethernet Switches) 5 Electrical Connections For details about how to prepare and connect the cables, see the SmartLogger3000 User Manual . Figure 5-16 Cable routes Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 61: Power-On

    The paint on the cabinet exterior is intact. If paint flakes off, repaint that area to prevent corrosion. Turning On Switches D ANGER ● Wear personal protective equipment and use dedicated insulated tools to avoid electric shocks or short circuits. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 62: Follow-Up Procedure

    After the device is powered on, use a network cable to connect the PC to the G1 port on SWITCH03. Log in to the SmartLogger WebUI on the PC and perform SmartLogger3000 User Manual . subsequent commissioning. For details, see the Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 63: Closing The Cabinet Door

    Retract the support bar, close the cabinet door, and tighten the screws. Figure 7-1 Closing the main cabinet door NO TE If a screw used for securing the cabinet door is lost, use the security torx screw in the fitting bag. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 64: Device Maintenance

    ● If you need to open the cabinet door on rainy or snowy days, take protective measures to prevent rain or snow from entering the cabinet. If it is impossible to take protective measures, do not open the cabinet door on rainy or snowy days. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 65: Troubleshooting

    2. The power adapter or 24 V 2. Replace the power adapter power module is faulty. or 24 V power module. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 66 4. Connect the PC to the opto- electronic Ethernet switches and ping the IP address of the SmartLogger. If the communication is abnormal, replace the network cables and try again. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 67: Component Replacement

    ● After you replace a component, check the SACU before powering it on to ensure that the new component works properly. ● Dispose of faulty components in accordance with the local disposal act for waste electrical equipment. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 68: Replacing The Single-Phase Spd

    Figure 8-2 Installing a new surge protection module ----End 8.4.2 Replacing the Single-Phase Input Switch Step 1 Disconnect the cables from the single-phase input switch and label the cables. Step 2 Remove the faulty single-phase input switch. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 69: Replacing The Smartlogger

    Step 4 Connect the cables based on their labels. ----End 8.4.3 Replacing the SmartLogger Step 1 Disconnect the cables from the SmartLogger and label the cables. Step 2 Remove the faulty SmartLogger and its cabinet-mounting bracket. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 70 User Manual (Dual Opto-Electronic Ethernet Switches) 8 Device Maintenance Figure 8-4 Removing a faulty SmartLogger Step 3 Remove the mounting ears and guide rail–mounting bracket from a new SmartLogger, and install the cabinet-mounting bracket. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 71: Replacing The Power Adapter

    Step 5 Connect the cables based on their labels. ----End 8.4.4 Replacing the Power Adapter Step 1 Disconnect the cables from the power adapter and label the cables. Step 2 Remove the faulty power adapter. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 72: Replacing The Fiber Adapter

    Step 1 Disconnect cables from the fiber adapter and label them. Step 2 Remove the faulty fiber adapter. Figure 8-7 Removing a fiber adapter Step 3 Install a new fiber adapter. Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 73: Replacing The Usb Port

    Step 3 Ensure that the rubber ring is on the inner side of the cabinet when installing a new USB port. Step 4 Connect the cable based on the label. ----End Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 74: Replacing The Opto-Electronic Ethernet Switch

    Step 1 Remove cables from the switch and label them. Step 2 Remove the switch fastener. Figure 8-9 Removing a fastener Step 3 Remove the faulty switch. Figure 8-10 Removing a switch Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 75 SmartACU2000D Smart Array Controller User Manual (Dual Opto-Electronic Ethernet Switches) 8 Device Maintenance Step 4 Install a new switch. Figure 8-11 Installing a switch Step 5 Reinstall the cables. ----End Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 76: Technical Specifications

    770 mm x 640 mm x 315 mm x D, including the mounting bracket) Net weight About 32 kg (including sealing putty, screws, and the mounting bracket) Enclosure ingress IP65 protection (IP) rating Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 77 Operating humidity 4%–100% RH Operating –40°C to +60°C temperature Storage temperature –40°C to +70°C Note [1]: Supports a 24 V power system. DC input and output: 24–28 V DC; 70 W (maximum) Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 78: A Connecting Cables Through Cable Holes

    Step 2 Route the cables through the waterproof connector and connect them to the device. Step 3 Insert the cables into the plug, reinstall the plug to the waterproof connector, and tighten the locking cap on the waterproof connector. Figure A-1 Routing cables Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 79 Step 4 Check that the cable is connected correctly and securely. Seal the waterproof connector and cable hole using the supplied sealing putty. Step 5 Clear foreign matter from the cabinet. ----End Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 80: B Crimping An Ot Terminal

    ● Wrap the wire crimping area with heat shrink tubing or insulation tape. The heat shrink tubing is used as an example. ● Use a heat gun carefully to avoid heat damage to the equipment. Figure B-1 Crimping an OT terminal Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.

  • Page 81: Acronyms And Abbreviations

    C Acronyms and Abbreviations Acronyms and Abbreviations analog input application Access Terminal Box direct current digital input digital output energy storage system Ethernet fast Ethernet miniature circuit breaker protective earthing relative humidity Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.
  • Page 82 SmartACU2000D Smart Array Controller User Manual (Dual Opto-Electronic Ethernet Switches) C Acronyms and Abbreviations SACU Smart Array Controller small form-factor pluggable surge protective device Issue 04 (2023-09-26) Copyright © Huawei Technologies Co., Ltd.