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4

Installing the EMU

About This Chapter

This describes how to install the EMU.

Requirements for the Installation Position

When determining the installation position of the EMU, reserve some extra space so that you
can easily remove the screws on the sides of the EMU in future. Do not install the EMU close
to obstacles such as the DDF or cabling rack.

shows the installation positions of the EMU and sensors.

EMU
User Guide

4 Installing the EMU

Issue 13 (2009-12-30)

Huawei Proprietary and Confidential

Copyright © Huawei Technologies Co., Ltd.

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Summary of Contents for EMU

Page 1: ...EMU V100R001 User Guide Issue 13 Date 2009 12 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd ...

Page 2: ... in this document are the property of their respective holders Notice The purchased products services and features are stipulated by the contract made between Huawei and the customer All or part of the products services and features described in this document may not be within the purchase scope or the usage scope Unless otherwise specified in the contract all statements information and recommenda...

Page 3: ...5 5 Monitoring Port for the Humidity Temperature Sensor 2 13 2 5 6 Monitoring Port for Boolean Signals 2 14 2 5 7 Monitoring Port for Analog Signals 2 16 2 5 8 Monitoring Port for the Relay Node Boolean Signals 2 17 2 6 Technical Specifications of the EMU 2 19 3 Introduction to the Sensors 3 1 3 1 Water Sensor 3 2 3 2 Smoke Sensor 3 2 3 3 Infrared Sensor 3 4 3 4 Door Status Sensor 3 5 3 5 Humidity...

Page 4: ... 7 5 4 Installing the Door Status Sensor 5 8 5 5 Installing the Humidity Temperature Sensor 5 10 6 Commissioning the EMU 6 1 7 Handling Common Faults 7 1 Contents EMU User Guide ii Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd Issue 13 2009 12 30 ...

Page 5: ... Figure 2 17 Monitoring Port for the relay node Boolean signals 2 18 Figure 2 18 Cable connection of the relay node 2 19 Figure 3 1 Exterior of the YW517B water sensor 3 2 Figure 3 2 Exterior of the JTY GD 01K smoke sensor 3 3 Figure 3 3 Exterior of the MC 760T infrared sensor 3 4 Figure 3 4 Exterior of the AGX105F door status sensor 3 5 Figure 3 5 Exterior of the HO 03A door status sensor 3 6 Fig...

Page 6: ...r sensor 5 4 Figure 5 4 Installation of the smoke sensor 5 6 Figure 5 5 Connecting the smoke sensor 5 7 Figure 5 6 Connecting the infrared sensor 5 8 Figure 5 7 Connecting the AGX105F door status sensor 5 9 Figure 5 8 Connecting the HO 03A door status sensor 5 9 Figure 5 9 Connecting the humidity temperature sensor 5 11 Figures EMU User Guide iv Huawei Proprietary and Confidential Copyright Huawei...

Page 7: ...Meanings of the terminals of the monitoring port for analog signals 2 16 Table 2 12 Meanings of the terminals of the monitoring port for relay node Boolean signals 2 18 Table 2 13 Technical specifications of the EMU 2 19 Table 2 14 Performance specifications of the EMU 2 20 Table 3 1 Technical specifications of the YW517B water sensor 3 2 Table 3 2 Indicator on the smoke sensor 3 3 Table 3 3 Techn...

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Page 9: ...Name Product Version QCKG1EMU V100R001 Intended Audience This document is intended for l NodeB BTS Installer l System Engineer l Site Maintainer Change History For changes made in this document refer to 1 Changes in the EMU User Guide Organization 1 Changes in the EMU User Guide This describes the changes in the EMU User Guide 2 Overview of the EMU EMU User Guide About This Document Issue 13 2009 ...

Page 10: ...faults in the EMU Conventions Symbol Conventions The symbols that may be found in this document are defined as follows Symbol Description Indicates a hazard with a high level of risk which if not avoided will result in death or serious injury Indicates a hazard with a medium or low level of risk which if not avoided could result in minor or moderate injury Indicates a potentially hazardous situati...

Page 11: ...grouped in brackets and separated by vertical bars One item is selected or no item is selected x y Optional items are grouped in braces and separated by vertical bars A minimum of one item or a maximum of all items can be selected x y Optional items are grouped in brackets and separated by vertical bars Several items or no item can be selected GUI Conventions The GUI conventions that may be found ...

Page 12: ...n Mouse Operations The mouse operations that may be found in this document are defined as follows Action Description Click Select and release the primary mouse button without moving the pointer Double click 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 Organization EMU...

Page 13: ...h release The document title in About This Document is modified and the document structure is adjusted 08 2007 10 30 Eighth release The document titles printed on the head page and the header are modified 07 2007 09 20 Seventh release The description of the power cable and data cable is added 06 2007 08 07 Sixth release Structural changs are made some market requirements are met 05 2007 04 20 Fift...

Page 14: ...me market requirements are met 03 2007 02 02 Third release Testing problems are solved 02 2006 12 30 Second release 1 Changes in the EMU User Guide EMU User Guide 1 2 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd Issue 13 2009 12 30 ...

Page 15: ...models 2 3 Internal Structure of the EMU This describes the internal structure of the EMU 2 4 Communication Ports on the EMU The EMU provides the RS485 and RS232 ports for the communication between the EMU and the BTS NodeB 2 5 Monitoring Ports of the EMU The EMU provides monitoring ports for the humidity temperature sensor smoke sensor water sensor infrared sensor and door status sensor In additi...

Page 16: ...e is 20oC 4oF to 80oC 176oF l The EMU provides four ports for monitoring analog signals Voltage type 0 V 5 V sensors and current type 4 mA 20 mA sensors can be used The types of monitored analog signals can be configured through the DIP switch settings according to the BTS NodeB configuration Boolean Signal Monitoring The EMU provides 32 ports for monitoring Boolean signals Dry contact point signa...

Page 17: ...2 S2 S12 S12 S11 S11 S10 S10 S9 S9 1 7 8 9 4 11 2 RS232 RS485 PWR1 PWR1 PWR2 PWR2 3 5 6 12 10 1 Six ports for Boolean signal output 2 Port for water sensors 3 Port for door status sensors 4 Port for smoke sensors 5 Port for humidity temperature sensors 6 Port for infrared sensors 7 Four ports for analog signal sensors 8 RS 232 port 9 Active standby power port 10 Two RS 485 ports 11 Grounding screw...

Page 18: ... S14 S13 S13 S8 S8 S7 S7 S6 S6 S5 S5 S1 S1 S4 S4 S3 S3 S2 S2 S12 S12 S11 S11 S10 S10 S9 S9 OFF 1 7 8 9 4 11 2 RS232 RS485 PWR1 PWR1 PWR2 PWR2 3 5 6 12 10 1 Six ports for Boolean signal output 2 Port for water sensors 3 Port for door status sensors 4 Port for smoke sensors 5 Port for humidity temperature sensors 6 Port for infrared sensors 7 Four ports for analog signal sensors 8 RS 232 port 9 Acti...

Page 19: ...hows the board layout inside the EMU Figure 2 5 Board layout inside the EMU DIP Switches Table 2 1 lists the functions and settings of the DIP switches on the panel of the EMU EMU User Guide 2 Overview of the EMU Issue 13 2009 12 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 2 5 ...

Page 20: ... sensor is used Bit 4 door status sensor setting l This bit is set to ON if a sensor is used l This bit is set to OFF if a sensor is not used SW_THE Bit 1 temperature sensor setting l This bit is set to ON if a sensor is used l This bit is set to OFF if a sensor is not used Bit 2 humidity sensor setting l This bit is set to ON if a sensor is used l This bit is set to OFF if a sensor is not used SW...

Page 21: ...cribes the RS485 serial port on the EMU Two RS485 serial ports are used in active standby mode for the communication between the EMU and the BTS NodeB The RS485 serial port is suitable for a dedicated serial port that has a DB 9 male connector 2 4 2 RS232 Serial Port This describes the RS232 serial port on the EMU An RS232 serial port is an RJ 45 socket and suitable for a dedicated serial port cab...

Page 22: ...ion by the EMU l When the TXD pin is connected to the RXD pin and the TXD pin is connected to the RXD pin the RS485 serial port can be used for two wire connection l The EMU works properly even if only one RS485 serial port is connected It is recommended that you use two RS 485 serial ports in active standby mode In this case set serial port 1 to the active port 2 4 2 RS232 Serial Port This descri...

Page 23: ...r Sensor This describes the monitoring port for the water sensor This port is a voltage type Boolean signal monitoring port and suitable for a bare terminal of a cable 24 AWG 12 AWG 2 5 2 Monitoring Port for the Smoke Sensor This describes the monitoring port for the smoke sensor This port is a current type Boolean signal monitoring port and suitable for a bare terminal of a cable 24 AWG 12 AWG 2 ...

Page 24: ... a cable 24 AWG 12 AWG 2 5 1 Monitoring Port for the Water Sensor This describes the monitoring port for the water sensor This port is a voltage type Boolean signal monitoring port and suitable for a bare terminal of a cable 24 AWG 12 AWG For the position of the monitoring port for the water sensor see 2 2 Exterior of the EMU Figure 2 8 shows this port Figure 2 8 Monitoring port for the water sens...

Page 25: ...le 24 AWG 12 AWG For the position of the monitoring port for the smoke sensor see 2 2 Exterior of the EMU Figure 2 9 shows this port Figure 2 9 Monitoring port for the smoke sensor NOTE The EMU supports 24 V DC smoke sensors Table 2 5 lists the meanings of the terminals of the monitoring port for the smoke sensor Table 2 5 Meanings of the terminals of the monitoring port for the smoke sensor Silks...

Page 26: ... 10 Monitoring port for the infrared sensor NOTE The EMU supports 24V 12 V DC infrared sensors Table 2 6 lists the meanings of the terminals of the monitoring port for the infrared sensor Table 2 6 Meanings of the terminals of the monitoring port for the infrared sensor Silkscreen Meaning 24VI 24 V DC power output 12VI 12 V DC power output OPTI Input of infrared monitoring signals GND Signal groun...

Page 27: ...g 12VG Positive input terminal for door status monitoring signals Gate Negative input terminal for door status monitoring signals NOTE You can set bit 4 of the DIP switch SW_BKE to choose whether to use the monitoring port for the door status sensor For details see 2 3 Internal Structure of the EMU 2 5 5 Monitoring Port for the Humidity Temperature Sensor This describes the monitoring port for the...

Page 28: ...E You can set the DIP switch SW_BKE to choose whether to use the monitoring port for the humidity temperature sensor For details see 2 3 Internal Structure of the EMU 2 5 6 Monitoring Port for Boolean Signals This describes the monitoring port for the Boolean Sensor The EMU supports 32 monitoring ports for Boolean signals and the monitoring port for the Boolean sensor is suitable for a bare termin...

Page 29: ...tage Signal x Definition x 3 V DC Low level x 5 V DC High level 3 V DC x 5 V DC Unspecified Table 2 10 lists the meanings of the terminals of the monitoring port for Boolean signals Table 2 10 Meanings of the terminals of the monitoring port for Boolean signals Silkscreen Meaning Si i ranges from 1 to 32 Positive Boolean input of port i Si i ranges from 1 to 32 Negative Boolean input of port i NOT...

Page 30: ...als of the monitoring port for analog signals Table 2 11 Meanings of the terminals of the monitoring port for analog signals Silkscreen Meaning 24Vi i ranges from 1 to 4 24 V DC power output of port i 12Vi i ranges from 1 to 4 12 V DC power output of port i ANAi i ranges from 1 to 4 Analog input of port i GNDi i ranges from 1 to 4 Signal grounding of port i NOTE You can set the DIP switches SW_AE ...

Page 31: ... POWER and POWER as shown in Figure 2 16 Figure 2 16 Connecting the analog sensor of the current type POWER POWER 24V i 12V i ANA i Analog signal sensor i 1 2 3 4 2 5 8 Monitoring Port for the Relay Node Boolean Signals This describes the monitoring port for the Boolean Sensor The EMU supports six monitoring ports for relay node Boolean signals and the monitoring port for relay node Boolean signal...

Page 32: ...terminals of the monitoring port for relay node Boolean signals Table 2 12 Meanings of the terminals of the monitoring port for relay node Boolean signals Silkscreen Meaning REi i ranges from 1 to 6 Positive relay node output port i REi i ranges from 1 to 6 Negative relay node output port i Cable Connection Figure 2 18 shows the cable connection of the relay node 2 Overview of the EMU EMU User Gui...

Page 33: ...cations of the EMU Technical Specifications of the EMU Table 2 13 lists the technical specifications of the EMU Table 2 13 Technical specifications of the EMU Item Measured Object Specification System voltage Measurement range 0 V DC to 100 V DC Measurement precision 1 V Temperature Measurement range 20oC 4oF to 80oC 176oF Measurement precision 2oC Humidity Measurement range 0 RH to 100 RH Measure...

Page 34: ...Working temperature 5oC 23oF to 55oC 131oF Storage humidity 5 RH to 95 RH Working humidity 10 RH to 90 RH Working voltage type DC Rated working voltage 48 V Rated working current 0 2 A Outline dimensions including the dimensions of mounting ear 252 mm 9 92 in x 258 mm 10 16 in x 98 mm 3 86 in Outline dimensions excluding the size of mounting ear 252 mm 9 92 in x 219 mm 8 62 in x 91 mm 3 58 in incl...

Page 35: ...ing design and is of the voltage type 3 3 Infrared Sensor This describes the infrared sensor The model of the configured infrared sensor is MC 760T 3 4 Door Status Sensor This describes the doors status sensor The model of the configured door status sensor is AGX105F outdoor or HO 03A indoor 3 5 Humidity Temperature Sensor This describes the humidity temperature sensor The model of the configured ...

Page 36: ...cal specifications of the YW517B water sensor Item Specification Power supply voltage 12 V DC 5 Current output when liquid is not detected 80 uA Current output when liquid is detected 10 mA to 15 mA Output signal type Current Working temperature 20oC 4oF to 70oC 158oF 3 2 Smoke Sensor This describes the smoke sensor The model of the configured smoke sensor is JTY GD 01K This smoke sensor features ...

Page 37: ...e normal state Table 3 2 describes the indicator on the smoke sensor Table 3 2 Indicator on the smoke sensor Indicator Meaning Status Red indicator Alarm On No alarm Blinking Technical Specifications of the Smoke Sensor Table 3 3 lists the technical specifications of the JTY GD 01K smoke sensor Table 3 3 Technical specifications of the JTY GD 01K smoke sensor Item Specification Power supply voltag...

Page 38: ...iple of the Infrared Sensor The MC 760T infrared sensor is based on the pyroelectric effect and performs dual monitoring microwave and infrared The sensitivity of the infrared sensor can be adjusted through its DIP switches For details refer to the instructions of the infrared sensor The infrared sensor enters the monitoring state three minutes after it is powered on It generates an alarm whenever...

Page 39: ...he doors status sensor The model of the configured door status sensor is AGX105F outdoor or HO 03A indoor Exterior of the Door Status Sensor Figure 3 4 shows the exterior of the AGX105F door status sensor Figure 3 4 Exterior of the AGX105F door status sensor Surface A Surface B Side Bottom sectional view 3 4 Figure 3 5 shows the exterior of the HO 03A door status sensor EMU User Guide 3 Introducti...

Page 40: ...atus sensor consists of a dry finger pipe and a magnetic ferrite The dry finger pipe consists of two soft magnetic metal fingers that are close to each other When the magnetic ferrite is close to the dry finger pipe the fingers are magnetized and attracted to each other When the magnetic field no longer covers the fingers the fingers spring apart Technical Specifications of the Door Status Sensor ...

Page 41: ...ximum voltage 150 V DC l Maximum current 0 5 A Impedance 0 3 ohm Power 10 W Output type Dry contact point 3 5 Humidity Temperature Sensor This describes the humidity temperature sensor The model of the configured humidity temperature sensor is WS302A1T4 Exterior of the Humidity Temperature Sensor Figure 3 7 shows the exterior of the WS302A1T4 humidity temperature sensor Figure 3 7 Exterior of the ...

Page 42: ...ture sensor Item Specification Temperature Sensor Humidity Sensor Measurement range 20oC 4oF to 80oC 176oF 0 RH to 100 RH Precision 0 3oC 32 54oF ambient temperature 25oC 77oF 2 RH ambient temperature 25oC 77oF ambient humidity 30 RH to 80 RH Power supply voltage 12 V DC to 24 V DC Signal output 4 mA to 20 mA in linear response to the measurement range Sample resistance 500 ohms Sensitive componen...

Page 43: ...rrent must meet the requirements shown in Figure 3 8 Figure 3 8 Relations between the humidity and output current 4 mA 20 mA 0 RH 100 RH The relations between the temperature and output current must meet the requirements shown in Figure 3 9 Figure 3 9 Relations between the temperature and output current 4 mA 20 mA 20 80 Requirements for the Specifications of Self Selected Water Sensors Working vol...

Page 44: ...e should be less than 3 3 V When the door is open the output voltage should be greater than 5 V l Dry contact point type When the door is closed the sensor should be connected When the door is open the sensor should be disconnected Requirements for the Specifications of Self Selected Smoke Sensors Working voltage 24 V The output signals must meet the following requirements l Current type When smok...

Page 45: ... moving objects are not detected the output voltage should be less than 3 3 V When moving objects are detected the output voltage should be greater than 5 V l Dry contact point type When moving objects are detected the sensor should be disconnected When moving objects are detected the sensor should be connected EMU User Guide 3 Introduction to the Sensors Issue 13 2009 12 30 Huawei Proprietary and...

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Page 47: ... reserve some extra space so that you can easily remove the screws on the sides of the EMU in future Do not install the EMU close to obstacles such as the DDF or cabling rack Figure 4 1 shows the installation positions of the EMU and sensors EMU User Guide 4 Installing the EMU Issue 13 2009 12 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 4 1 ...

Page 48: ...escribed in 2 6 Technical Specifications of the EMU l Check that the package is intact and that the items inside the package are consistent with Table 4 1 Table 4 1 List of items inside the package of the EMU Item Remarks EMU One Door status sensor One optional Smoke sensor One optional Water sensor One optional 4 Installing the EMU EMU User Guide 4 2 Huawei Proprietary and Confidential Copyright ...

Page 49: ...larm box cable for the BTS NodeB One RS 485 communication cable Grounding cable One 5 m 16 4 ft l Cross sectional area 4 mm2 l Yellow and green l With OT terminals Symmetric twisted pair cable Optional l 28 AWG l Cross sectional area 0 32 mm2 l Black or black and white NOTE If some or no cord end terminals are used insert them to the sockets to avoid loss 4 1 Installing EMU Model A This describes ...

Page 50: ...ion drill φ12 drill bit l EMU expansion bolts Procedure Step 1 Press the EMU against the wall and then mark the position of the four installation holes as shown in Figure 4 2 Figure 4 2 RS485 serial cable 236 mm 180 mm ALARM RUN POWER 4 Installing the EMU EMU User Guide 4 4 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd Issue 13 2009 12 30 ...

Page 51: ...l cable Figure 4 3 RS485 serial cable 2 Connect the A end of the EMU power cable to the PWR port on the EMU and the other end to the power distribution equipment Figure 4 4 shows the power cable Figure 4 4 Power cable CAUTION If the B end of the EMU power cable does not match the port of the power distribution equipment replace the connector on the B end Step 6 Connect the sensors to the EMU End 4...

Page 52: ...nstallation holes as shown in Figure 4 5 Figure 4 5 RS485 serial cable 236 mm 180 mm ALARM RUN POWER Step 2 Use the φ6 drill bit to drill the four installation holes Step 3 Push the expansion tubes into the installation holes as shown in Figure 4 6 4 Installing the EMU EMU User Guide 4 6 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd Issue 13 2009 12 30 ...

Page 53: ...les Step 4 Use the four delivered ST3 5 tapping screws to fix the EMU as shown in Figure 4 7 Figure 4 7 Fastening the tapping screws EMU User Guide 4 Installing the EMU Issue 13 2009 12 30 Huawei Proprietary and Confidential Copyright Huawei Technologies Co Ltd 4 7 ...

Page 54: ...5 serial cable Figure 4 8 RS485 serial cable 2 Connect the A end of the EMU power cable to the PWR port on the EMU and the other end to the power distribution equipment Figure 4 9 shows the power cable Figure 4 9 Power cable CAUTION If the B end of the EMU power cable does not match the port of the power distribution equipment replace the connector on the B end Step 7 Connect the sensors to the EM...

Page 55: ...ily infiltrates l Install the smoke sensor in the center of the ceiling l Install the infrared sensor in a position about 1 5 m 4 92 ft above the ground l Install the door status sensor where the top of the door meets the doorframe l Install the humidity temperature sensor in a position about 1 5 m 4 92 ft above the ground and close to the BTS NodeB Figure 5 1 shows the installation positions of t...

Page 56: ...This describes how to install the smoke sensor 5 3 Installing the Infrared Sensor This describes how to install the infrared sensor 5 4 Installing the Door Status Sensor This describes how to install the door status sensor 5 5 Installing the Humidity Temperature Sensor This describes how to install the humidity temperature sensor 5 Installing the Sensors EMU User Guide 5 2 Huawei Proprietary and C...

Page 57: ...sensor can be connected only to the terminals marked Water 12VW and GND Procedure Step 1 Erect the water sensor in the selected installation position as shown in Figure 5 2 Figure 5 2 Installing the water sensor Placing surface Step 2 Install the leading cable of the sensor EMU User Guide 5 Installing the Sensors Issue 13 2009 12 30 Huawei Proprietary and Confidential Copyright Huawei Technologies...

Page 58: ...to the terminal marked 12VW White Grounding core wire Connected to the terminal marked GND Blue Signal core wire Connected to the terminal marked Water Figure 5 3 Connecting the water sensor 1 GND white 2 Water blue 3 12VW red End 5 2 Installing the Smoke Sensor This describes how to install the smoke sensor 5 Installing the Sensors EMU User Guide 5 4 Huawei Proprietary and Confidential Copyright ...

Page 59: ...rosive gas may be emitted Smoke is suspended under normal circumstances Organic substances such as alcohol ether and ketone are generated l Before powering on the smoke sensor ensure that the smoke sensor is correctly connected Thirty seconds after the smoke sensor is powered on the red indicator will start to blink once every 9 to 15 seconds l Dust easily accumulates on the smoke sensor Therefore...

Page 60: ...ew 6 Plastic expansion tube 7 Percussion drill hole Step 2 Connect the smoke sensor Open the base of the smoke sensor On the base there are four wiring bars labeled 1 4 a plus sign and a minus sign as shown in Figure 5 5 1 Connect wiring bar 3 to the terminal marked 24VS 2 Connect wiring bar 1 to the terminal marked Smoke 5 Installing the Sensors EMU User Guide 5 6 Huawei Proprietary and Confident...

Page 61: ...uld directly face positions prone to unauthorized entry l The infrared sensor should not be installed on the wall beside the door l The monitoring range should be clear of obstacles so that the infrared sensor can be directly seen in the monitoring range l The Fresnel lens of the infrared sensor should be kept clean l The pyroelectric components of the infrared sensor should not be touched NOTE Th...

Page 62: ... installation holes Step 4 Use the tapping screws to fix the installation sheet to the wall Step 5 Fix the infrared sensor to the installation sheet Step 6 Connect the infrared sensor as shown in Figure 5 6 Figure 5 6 Connecting the infrared sensor End 5 4 Installing the Door Status Sensor This describes how to install the door status sensor 5 Installing the Sensors EMU User Guide 5 8 Huawei Propr...

Page 63: ...ep 1 Mark the installation position of the door status sensor Step 2 Use the percussion drill to drill holes according to the marks Step 3 Install and fasten the door status sensor Step 4 Connect the door status sensor as shown in Figure 5 7 and Figure 5 8 Figure 5 7 Connecting the AGX105F door status sensor Figure 5 8 Connecting the HO 03A door status sensor EMU User Guide 5 Installing the Sensor...

Page 64: ...irectly blows the humidity temperature sensor The air is polluted by substances such as sour gas and oily gas l The humidity temperature sensor should be kept away from the ends of the cabling trough l The installation plane should be clean l The humidity temperature sensor should be powered off before the sensor is installed or replaced l Holes should not be drilled around the humidity temperatur...

Page 65: ... to drill holes according to the marks Step 3 Insert the plastic expansion tubes into the installation holes Step 4 Use the tapping screws to fix the backplane to the wall Step 5 Fix the humidity temperature sensor to the backplane Step 6 Connect the humidity temperature sensor as shown in Figure 5 9 Figure 5 9 Connecting the humidity temperature sensor End EMU User Guide 5 Installing the Sensors ...

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Page 67: ...een the EMU and the BTS NodeB 1 Ensure that the EMU has passed the power on check 2 On the Service Maintenance System of the BTS NodeB establish the communication between the BTS NodeB and the EMU 3 Check the status of the indicators on the EMU Check that the green indicator on the EMU blinks once every two seconds Step 3 Check the running status of the EMU 1 Ensure that the EMU has passed the com...

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Page 69: ... whether the alarming states are correctly set Check whether the cabling is correct The humidity temperature sensor generates an alarm at normal temperatures Check whether the humidity temperature sensor is correctly connected Check whether the alarming threshold is correctly set The humidity temperature query results are invalid values Check whether the humidity temperature sensor is correctly co...

Page 70: ...SW_BKE 3 is correctly set The door status sensor generates a false alarm Check whether the button on the door status sensor is pressed into the correct position Check whether the door status sensor is correctly connected Check whether the DIP switch SW_BKE 4 is correctly set Analog value measurement fails Check whether associated DIP switches are correctly set 7 Handling Common Faults EMU User Gui...

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