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Keep these instructions for reference. Subject to change without notice. Data without tolerance limits is not binding. ACCESSNET is a registered trademark of Hytera Mobilfunk GmbH. HYT and Hytera are registered trade- marks of Hytera Communications Corporation Limited. Operation Manual 90DIBR5flexibleTxOM02 - 1.2...
DIB-R5 flexibleTx Table of contents Table of contents 1 Notes on the document....................7 1.1 Objectives of the document................... 7 1.2 Intended audience of the document................7 1.3 Qualification of the personnel..................7 1.4 Reading and navigation aids in the document ............8 1.5 Figures and special notations used................
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Table of contents DIB-R5 flexibleTx 2.5.2.3 Safety marking "Keep dry"....................23 3 Product description...................... 25 3.1 Characteristics of the DIB-R5..................31 3.2 Components........................32 3.2.1 Connection and control panel..................33 3.2.1.1 On/off switch........................36 3.2.1.2 Connection panel......................36 3.2.1.3 GNSS splitter........................38 3.2.2 V power supply......................
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DIB-R5 flexibleTx Table of contents 4.1 Safety measures and prerequisites................65 4.2 Switching on the DIB-R5 flexibleTx................66 4.3 Function tests and operational monitoring..............67 4.3.1 Work equipment for function tests.................. 68 4.3.2 Connecting the service computer................... 69 4.3.3 Checking operating states....................70 4.3.3.1 Checking operating states (via LEDs)................
This chapter provides information on using the document. In addition, it specifies require- ments that are absolutely necessary when working with the product. 1.1 Objectives of the document The present document from Hytera Mobilfunk GmbH describes the procedures that are required for the activities on and with the product: Operation...
Notes on the document DIB-R5 flexibleTx Figures and special notations used > Special notations 1.4 Reading and navigation aids in the document As reading and navigation aids, overview tables have been provided at the beginning of the respective chapters in the present document. These are to provide the reader with an overview of the tasks to be performed.
DIB-R5 flexibleTx Notes on the document Figures and special notations used > Special notations 1.5.2.1 Operating procedures The present document describes the tasks that have to be performed in the form of oper- ating procedures. Standard operating procedures guide you step by step through a sequence of actions until you have reached the desired goal.
Notes on the document DIB-R5 flexibleTx Figures and special notations used > Special notations This symbol identifies security instructions You are warned of a potentially dangerous situation for the life or health of persons. ➔ The arrow identifies a precautionary measure designed to avert this danger. This symbol identifies security instructions.
In addition to the contents of the present documentation, all the other documents associated with the product must always be taken into consideration. They are mandatory for the use of the product. If required, revert to Hytera Mobilfunk GmbH to request the other applicable documents.
1.8 Support information If you have any questions or proposals with regard to the products of Hytera Mobilfunk GmbH, please revert to your local service partner or directly to Hytera Mobilfunk GmbH.
DIB-R5 flexibleTx Safety regulations Safety instructions and declaration of conformity > Safety instructions and declaration of conformity for North America 2 Safety regulations This chapter describes the safety regulations relevant for using the product DIB-R5 flexibleTx. 2.1 Safety instructions and declaration of conformity The operation of the product is subject to the statutory provisions of the respective country, in which the product is used.
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The network operator is responsible for the proper installation, commissioning and main- tenance of external antenna coupling systems unless this is an integral part of the con- tract with the Hytera Mobilfunk GmbH. An installer who may have been entrusted with the installation/commissioning and/or maintenance of the antenna coupling system is responsible for complying with all the applicable requirements and for the metrological tests required afterwards.
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DIB-R5 flexibleTx Safety regulations Safety instructions and declaration of conformity > Safety instructions and declaration of conformity for North America The following table describes the requirements for external antenna coupling systems. Requirements for external antenna coupling systems Component Property/demand Value/value range Transmitter coupling Return loss at all Tx inputs...
DIB-R5 flexibleTx Safety regulations Safety measures > Authorized personnel appropriate measures are taken against radio interference, any defects in the operation room that come up later on are eliminated immediately, for subsequent modifications of the operation room, the requirements described in the present document are always taken into consideration, appropriate fire precautions are taken as required (e.g.
Safety regulations DIB-R5 flexibleTx Safety measures > Notes on the electrical system Experts are persons, who are trained and experienced in the corresponding field, are familiar with the relevant standards, regulations, provisions and security codes, have been instructed in the mode of operation and the operating conditions of the equipment components, can identify and avert dangers.
DIB-R5 flexibleTx Safety regulations Safety and responsibility Make sure that all the security measures on the equipment, on the connecting cables and on the load have been taken. Electrical connections may be made/disconnected only when neither voltage nor current is applied to the equipment. Voltage may still be present on the outputs of the equipment after the device has been switched off.
Safety regulations DIB-R5 flexibleTx Safety markings > Safety markings on transport boxes 2.5 Safety markings The following chapters describe security markings on the product and its packaging. 2.5.1 Safety markings on the product The product is equipped with security markings. They serve as an indication to possible hazards and may not be deleted or modified (if necessary, marking in accordance with DIN 4844 BGV A8 [VBG 125]).
DIB-R5 flexibleTx Safety regulations Safety markings > Safety markings on transport boxes 2.5.2.2 Safety marking "Transport Upright" The security marking "Transport Upright" points to the cover of the transport box. Trans- port boxes with this marking must always be transported with the cover at the top. Figure 2: Safety marking "Transport Upright"...
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Safety regulations DIB-R5 flexibleTx Safety markings > Safety markings on transport boxes Operation Manual 90DIBR5flexibleTxOM02 - 1.2...
DIB-R5 flexibleTx Product description 3 Product description The DIB-R5 base station family is a constituent of the TETRA mobile radio system ACCESSNET-T IP and ensures the powerful and reliable mobile radio coverage of a spe- cific area. Pioneering TETRA Release 2 support, particularly the TEDS technology (TETRA Enhanced Data Service), render the DIB-R5 extremely attractive for all scenarios in which a high degree of availability as well as high-speed data are absolutely neces- sary.
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Product description DIB-R5 flexibleTx The hardware design of DIB-R5 features a modular layout. This allows hardware compo- nents to be replaced or added during ongoing operation. Properties of the DIB-R5 flexibleTx In each compact rack DIB-R5 flexibleTx offers space for four TETRA Channel Units (CHU), which are each providing one TETRA carrier.
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DIB-R5 flexibleTx Product description Figure 5: DIB-R5 flexibleTx (front view) Legend: DIB-R5 flexibleTx (front view) Component Number Described in 1 to 3 Ä Chapter 3.2.4.1 “Active Divider Unit (ADU)” on page 45 Cable routing for Tx cable Cable routing for Rx and GNSS cable (Global Navigation Satellite System, GNSS) Operation Manual 90DIBR5flexibleTxOM02 - 1.2...
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Product description DIB-R5 flexibleTx Component Number Described in TETRA Channel Unit (CHU) 1 to 4 Ä Chapter 3.2.5 “TETRA Channel Unit (CHU)” on page 46 Base Station Controller Unit (BSCU) 1 to 2 Ä Chapter 3.2.6 “Base Station Con- troller Unit (BSCU)” on page 49 Fan unit Ä...
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DIB-R5 flexibleTx Product description Figure 6: DIB-R5 flexibleTx (top view) Legend: DIB-R5 flexibleTx (top view) Component Number Described in power supply: 1 to 2 Ä Chapter 3.2.2 “V power supply” AC Power Distribution Module on page 38 (APDM) Ä Chapter 3.2.3 “V power supply: power supply”...
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Product description DIB-R5 flexibleTx Component Number Described in Grommet Dummy plate The following figure shows the rear view of the DIB-R5 flexibleTx with V power supply and opened cover. The following table describes the components in greater detail. Figure 7: DIB-R5 flexibleTx with opened cover (rear view) Operation Manual 90DIBR5flexibleTxOM02 - 1.2...
DIB-R5 flexibleTx Product description Characteristics of the DIB-R5 Legend: DIB-R5 flexibleTx with opened cover (rear view) Component Number Described in power supply: 1 to 2 Ä Chapter 3.2.2 “V power supply” AC Power Distribution Module on page 38 (APDM) Ä Chapter 3.2.3 “V power supply: power supply”...
DIB-R5 flexibleTx Product description Components > Connection and control panel Component Described in Ä TETRA Channel Unit (CHU) Ä Chapter 3.2.5 “TETRA Channel Unit (CHU)” on page 46 Ä Base Station Controller Unit (BSCU) Ä Chapter 3.2.6 “Base Sta- tion Controller Unit (BSCU)” on page 49 Ä...
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Product description DIB-R5 flexibleTx Components > Connection and control panel Figure 8: Connection and control panel for V power supply (top view) Operation Manual 90DIBR5flexibleTxOM02 - 1.2...
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DIB-R5 flexibleTx Product description Components > Connection and control panel Figure 9: Connection and control panel for V power supply (top view) Legend: Connection and control panel (top view) Component Description On/off switch refer to Ä Chapter 3.2.1.1 “On/off switch” on page 36 power supply: refer to...
Product description DIB-R5 flexibleTx Components > Connection and control panel Component Description GNSS splitter refer to Ä Chapter 3.2.1.3 “GNSS splitter” on page 38 Grommet Dummy plate 3.2.1.1 On/off switch The on/off switch is accessible via the Power Distribution Module (PDM) in the connection and control panel.
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DIB-R5 flexibleTx Product description Components > Connection and control panel Figure 10: Connection panel (top view) Legend: Connection panel (top view) Component Description Connection type ALARM INPUT Alarm inputs/outputs for wiring Connector with alarm contacts screw terminal ALARM OUTPUT SCN1 Connection to an IP transport net- RJ45 work or for connecting a switching...
Product description DIB-R5 flexibleTx Components > VAC power supply 3.2.1.3 GNSS splitter The GNSS splitter (Global Navigation Satellite System) is used for connecting the GNSS antenna and the allocation and distribution of the received GNSS signal (e.g. GPS, Gal- ileo or Glonass) to up to two BSCUs. The GNSS splitter is installed in the connection and control panel.
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DIB-R5 flexibleTx Product description Components > VAC power supply Figure 11: APDM (top view) Legend: APDM (top view) Component Description Surge protection Surge Protection Device (SPD) of the DIB-R5 flexibleTx On/off switch On/off switch of the DIB-R5 flexibleTx Terminals Terminals for V input voltage The following figure shows the front view of the APDM.
Product description DIB-R5 flexibleTx Components > VAC power supply Figure 12: APDM (front view) Legend: APDM (front view) Component Description SPD ALARM Connection for monitoring the surge protection device (SPD) Input Phase conductor connection for V input voltage Neutral conductor connection for V input voltage Protective conductor connection for V...
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DIB-R5 flexibleTx Product description Components > VAC power supply Depending on the power supply, the number of installed CHUs and, if applicable, a redundantly implemented power supply, up to two Power Supply Modules (PSM) are installed. The Power Supply Module (PSM) is a rectifier module and is used with V power supply.
Product description DIB-R5 flexibleTx Components > VDC power supply Figure 14: PSM (front view) Legend: PSM (front view) Component Color Description green Lights if the V input voltage is OK Flashes if the V input voltage is outside the permissible voltage range green Lights if the V output voltage is OK...
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DIB-R5 flexibleTx Product description Components > VDC power supply Figure 15: DPDM (top view) Legend: DPDM (top view) Component Description Surge protection Surge Protection Device (SPD) of the DIB-R5 flexibleTx On/off switch On/off switch of the DIB-R5 flexibleTx Terminals Terminals for V input voltage The following figure shows the front view of the DPDM.
Product description DIB-R5 flexibleTx Components > Divider Unit (DIU) Figure 16: DPDM (front view) Legend: DPDM (front view) Component Description SPD ALARM Connection for monitoring the Surge Pro- tection Device (SPD) DC INPUT -48 V Connection for the negative voltage line (input voltage) Connection for the positive voltage line (input voltage)
DIB-R5 flexibleTx Product description Components > Divider Unit (DIU) 3.2.4.1 Active Divider Unit (ADU) The Active Divider Unit (ADU) is used for amplifying the received Rx signals. The Rx sig- nals are distributed by the ADU and forwarded to the respective Channel Units (CHU). The number of ADUs depends on the number of receiving antennas (Rx antennas).
Product description DIB-R5 flexibleTx Components > TETRA Channel Unit (CHU) Component Description Connector for the connection with CHU 3 Connector for the connection with CHU 4 Exp. BS Not used for the time being RX-IN Connector for the connection with an external antenna cou- pling system 3.2.5 TETRA Channel Unit (CHU) The TETRA Channel Unit (CHU) is the transceiver module of the DIB-R5 and provides...
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DIB-R5 flexibleTx Product description Components > TETRA Channel Unit (CHU) Figure 18: CHU (front view) Legend: CHU (front view) Component Description RX A Rx receiver input A RX B Rx receiver input B RX C Rx receiver input C OPEN TO TEST Connectors for test and service purposes, refer to Ä...
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Product description DIB-R5 flexibleTx Components > TETRA Channel Unit (CHU) Component Description Power button Power button for shutting down and restarting the hardware component For shutdown and restart, the power button must be pressed for at least 5 seconds. Tx transmitter output The following figure shows the connectors for test and service purposes (OPEN TO TEST) of the CHU.
DIB-R5 flexibleTx Product description Components > Base Station Controller Unit (BSCU) Color Description green Lights if the CHU is in operation yellow Lights if the CHU is in standby operation 3.2.6 Base Station Controller Unit (BSCU) The Base Station Controller Unit (BSCU) is the control unit of the base station and secures the connections inside of the DIB-R5 flexibleTx as well as to external network constituents such as system controller nodes.
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Product description DIB-R5 flexibleTx Components > Base Station Controller Unit (BSCU) Figure 21: BSCU (front view) Operation Manual 90DIBR5flexibleTxOM02 - 1.2...
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DIB-R5 flexibleTx Product description Components > Base Station Controller Unit (BSCU) Legend: BSCU (front view) Component Description GNSS GNSS antenna connector (SMA) Indicators (LEDs) Status display of the BSCU, refer to Ä Table “Legend: Indicators (LEDs) of the BSCU” on page 51 OPEN TO TEST Connectors for test and service purposes, refer to Ä...
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Product description DIB-R5 flexibleTx Components > Base Station Controller Unit (BSCU) Color Description green Lights if an ethernet connection exists for con- necting a system controller node Flashes if data are being transferred green Lights if a connection exists between the integrated components ethernet switch and BSCU mainboard (MCB) Flashes if data are being transferred...
DIB-R5 flexibleTx Product description Components > Fan unit Component Description Connection type USB2 USB A Ethernet port for the service com- RJ45 puter Mini-USB USB port for service purposes Mini-USB Reset button Reset button for restarting the Main Processing Unit (MPU) inte- grated component on the BSCU main board 3.2.7 Fan unit...
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Product description DIB-R5 flexibleTx Components > Fan unit Figure 25: Indicators (LEDs) of the fan unit Legend: Indicators (LEDs) of the fan unit Color Description green Lights if the power supply of the fan unit is OK Lights in case of an error FAN 1 to 6 green Lights if the fan is OK Flashes if the fan speed is not OK...
DIB-R5 flexibleTx Product description Components > Backplane Component Description RS485/F Interface to the backplane DIP switches Switches for monitoring the fans of the cavity combiner Switch positions: DIP switch (1) – DIB-R5 advanced: top – DIB-R5 compact: bottom – DIB-R5 flexibleTx: bottom DIP switch (2 to 4): top 3.2.8 Backplane Within the DIB-R5 flexibleTx, the backplane serves as central communication and supply...
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Product description DIB-R5 flexibleTx Components > Backplane Legend: Backplane (rear view) Component Description Connection for the positive voltage line (input voltage) DC -48 V Connection for the negative voltage line (input voltage) PWR_OUT Power supply connectors for the installed components DIP switches Switches for the setting as basic rack or expansion rack Switch positions:...
DIB-R5 flexibleTx Product description Wiring diagrams 3.3 Interfaces The following table provides an overview of the interfaces of DIB-R5 flexibleTx. The use of the interfaces is described in the corresponding chapters about the components of DIB-R5 flexibleTx. Interfaces (per equipment or compact rack) External antenna coupling Tx transmitter output Number...
Product description DIB-R5 flexibleTx Wiring diagrams > Internal wiring The cables that still need to be connected for commissioning the product, such as for the power supply connector and the connector to the existing grounding system on site, must be connected during the installation of the product. The following table provides an overview of the wiring diagrams that are described in the following chapters.
DIB-R5 flexibleTx Product description Wiring diagrams > Antenna configurations Figure 28: Internal wiring with four CHUs and external antenna coupling system 3.4.2 Antenna configurations The following table provides an overview of the antenna configurations that are described in the following chapters. Overview of antenna configurations Antenna configuration Described in...
Product description DIB-R5 flexibleTx Redundancy options Figure 29: Antenna configuration with four CHUs and external antenna coupling system 3.5 Redundancy options The ACCESSNET-T IP provides numerous redundancy concepts to ensure the availa- bility of services and features reliably even in exceptional situations. The concept of designing system functions, function blocks, network elements and connection routes redundantly, may be required to ensure site reliability and system reliability.
DIB-R5 flexibleTx Product description Redundancy options > Fallback operation 3.5.1 Redundant main control channel (MCCH) By redundant main control channels (MCCH) the operation of a base station is guaran- teed even if the carrier with the MCCH drops out or should be disturbed. If the carrier that provided the main control channel last drops out, an alternative carrier will take on this task.
Product description DIB-R5 flexibleTx Redundancy options > Redundant VAC power supply Class 2 and class 3 air interface encryption (encrypted voice and data communica- tion) Authentication (with respect to the base station) Priority calls, emergency calls, pre-emptive priority calls Queue, depending on the priority level of the call Rejection of a call from/to an unknown subscriber Rejection with the reason "busy"...
DIB-R5 flexibleTx Product description Redundancy options > Redundant synchronization (GNSS, PTP) In the combination with redundancy option "Redundant power supply lines", two PSMs each are supplied by one power supply line. 3.5.6.2 Redundant power supply lines The power supply continues to be ensured by a redundant power supply line on site and secures the operation of the DIB-R5, even if a supply line should fail or the required voltage range is underrun.
Product description DIB-R5 flexibleTx Scope of delivery 3.6 Scope of delivery DIB-R5 flexibleTx is delivered in a compact rack. The scope of delivery varies depending on the variant. The variants and characteristics of the DIB-R5 flexibleTx are derived from the following properties: Power supply Combiner...
DIB-R5 flexibleTx Operation Safety measures and prerequisites 4 Operation This chapter describes the procedure for the proper operation of the product at its site. The work steps listed in the following table must be performed for the operation of the product.
Operation DIB-R5 flexibleTx Switching on the DIB-R5 flexibleTx Environmental conditions Operation Temperature range +5 °C to +45 °C (+41 °F to (normal) +113 °F) Temperature range -30 °C to +55 °C (-22 °F to (extreme, as per +131 °F) EN 300 394-1) Relative humidity 5 % to 85 % (non-con- densing)
DIB-R5 flexibleTx Operation Function tests and operational monitoring ➔ You have successfully switched on the DIB-R5 flexibleTx. Performing function tests Following the execution of the work steps, it is recommended to perform function tests in order to ensure the proper mode of operation of the product. The function tests are described in Ä...
Operation DIB-R5 flexibleTx Function tests and operational monitoring > Connecting the service computer Work steps Described in Ä Checking standby carriers ‒ optional Ä Chapter 4.3.5 “Checking standby car- ‒ optional” riers on page 73 Ä Function tests and GNSS operational monitoring Ä...
DIB-R5 flexibleTx Operation Function tests and operational monitoring > Checking operating states The system requirements for the service computer are described in the related product documents, refer to the following table. Required product documents Product Document type Described in Service computer Configuration Manual Chapter 2 The service computer is connected via the connection panel.
Operation DIB-R5 flexibleTx Function tests and operational monitoring > Checking operating states The following table provides an overview of the procedures for checking operating states of the DIB-R5 flexibleTx. Overview of the procedures for checking operating states Work step Described in Ä...
DIB-R5 flexibleTx Operation Function tests and operational monitoring > Checking operating states Checking operating states (audible check) Preparation: The DIB-R5 flexibleTx must be switched on. The front door must be open. Check whether grinding or rattling noise can be heard. ð...
Operation DIB-R5 flexibleTx Function tests and operational monitoring > Checking the availability In the Equipment view, check whether all application connections are displayed in green. ð If application connections are shown in red, you must perform a fault analysis, refer to NMC-511 FaultManager user manual. ➔...
DIB-R5 flexibleTx Operation Function tests and operational monitoring > Checking standby carriers ‒ optional Enter the following command to check the reachability of the network element: ping <xxx> <xxx> corresponds to the IP address of the respective component within the DIB-R5 flexibleTx.
Operation DIB-R5 flexibleTx Function tests and operational monitoring > Function tests and GNSS operational monitoring In the context menu, click on the System lock maintenance function. ð The corresponding carriers are excluded from functional operation and identi- fied in the Equipment view with the "Person" icon (operationally locked by the user).
DIB-R5 flexibleTx Operation Function tests and operational monitoring > Function tests and GNSS operational monitoring Circumferential range of vision (angle of unobstructed visibility of the sky) of the GNSS antenna. A good circumferential range of vision (angle of unobstructed visibility of the sky according to the recommendations of the manufacturer) must be maintained to ensure proper reception of the GNSS antenna.
Operation DIB-R5 flexibleTx Function tests and operational monitoring > Function tests and PTP operational monitoring (optional) GNSS module – Possible messages Alarm object (NMC-511 FaultManager) Meaning GNSS antenna status Status of the GNSS antenna con- nection Communication (GNSS) Status of communication with the GNSS module 4.3.7 Function tests and PTP operational monitoring (optional) The following chapters describe procedures for function tests and the operational moni-...
4.3.8 Checking external antenna coupling systems The operator alone is responsible for checking external antenna coupling systems, insofar as this is not a contractual component of the Hytera Mobilfunk GmbH. An appointed installer of the antenna coupling system is responsible for conducting all the necessary measures and for compliance with the corresponding specifications.
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Operation DIB-R5 flexibleTx Function tests and operational monitoring > Checking external antenna coupling systems Operation Manual 90DIBR5flexibleTxOM02 - 1.2...
DIB-R5 flexibleTx Service interruption Shutting down hardware components 5 Service interruption This chapter describes the procedure for the service interruption of the product. A service interruption may be required in the following cases: Work on an open compact rack End of operation Malfunction Integration of further components Possible restrictions for the operation...
Service interruption DIB-R5 flexibleTx Switching off the DIB-R5 flexibleTx Shutting down hardware components Press and hold down the power button at the hardware component for more than 5 seconds to shut it down. ð The software components are being shut down. This may take approx. 5 to 20 seconds.
DIB-R5 flexibleTx Recommissioning 6 Recommissioning To recommission the product, you either have to connect the compact rack to the power source or switch it on, depending on the connection variant. Recommissioning For the recommissioning of the DIB-R5 flexibleTx, proceed as described in Ä...
DIB-R5 flexibleTx Maintenance Maintenance tasks 7 Maintenance To ensure the proper operation of products, maintenance tasks and periodical visual inspections are required. The products have been designed for permanent and unsupervised operation. Neverthe- less you have to perform checks every now and then. When doing so, you can detect and remove dirt in the vicinity of or within equipment racks, so the air supply and heat dissipa- tion of the products is always ensured.
Maintenance DIB-R5 flexibleTx Periodical visual inspections 7.2 Periodical visual inspections The table below lists the recommended tasks for maintaining the products. The visual inspections should be performed in the intervals specified to be able to respond in due time, e.g. in the case of changes at the site that may result in improper operation. The specified intervals refer to the operation within the defined environmental conditions, refer to Ä...
DIB-R5 flexibleTx Troubleshooting 8 Troubleshooting Troubleshooting via the network management system (NMS) The NMC-511 FaultManager can be used to detect faults within the ACCESSNET-T IP. This is done via a NMC computer that has been configured accordingly. The troubleshooting via the NMC-511 FaultManager should be performed prior to the troubleshooting on site (e.g.
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Troubleshooting DIB-R5 flexibleTx Problem Possible cause Troubleshooting Switch/router defective Check operating state via LEDs on switch/router Call setup/registration not pos- Transmitting/receiving antenna Check antenna sible defective Cable connection defective Check wiring of antenna(s) incl. antenna cable Check internal wiring Carrier disabled Check status of carrier in the NMC-511 FaultManager Carrier incorrectly configured...
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DIB-R5 flexibleTx Troubleshooting Problem Possible cause Troubleshooting "ALM" LED is on Checking operating state in the NMC-511 FaultManager Restarting the base station (duration approx. three to five minutes) BSCU, CHU defective Electrical connection to back- Check connection to backplane plane defective Power supply missing Check power supply Fan unit not (completely)
DIB-R5 flexibleTx Index 9 Index External antenna coupling systems..... 15 Antenna coupling system DIB-R5............29 Fallback, refer to Fallback operation....59 Authentication............59 Fallback operation.......... 58, 59 Availability..........58, 59, 60 Fault management......... 69, 73 FCAPS Base station Fault management........69, 73 DIB-R5............
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Index DIB-R5 flexibleTx Support information..........12 Service computer..........66 Switching architecture Service interruption..........77 centralized............59 Service IP address..........66 distributed............60 Shutdown Switching off BSCU.............. 77 DIB-R5............78 CHU..............77 Switching on Shutting down hardware components....77 DIB-R5............64 Stand-alone operation..........
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