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<body><h1>crocus shdsl manual</h1><table class="table" border="1" style="width: 60%;"><tbody><tr><td>File Name:</td><td>crocus shdsl manual.pdf</td></tr><tr><td>Size:</td><td>1736 KB</td></tr><tr><td>Type:</td><td>PDF, ePub, eBook, fb2, mobi, txt, doc, rtf, djvu</td></tr><tr><td>Category:</td><td>Book</td></tr><tr><td>Uploaded</td><td>3 May 2019, 15:53 PM</td></tr><tr><td>Interface</td><td>English</td></tr><tr><td>Rating</td><td>4.6/5 from 706 votes</td></tr><tr><td>Status</td><td>AVAILABLE</td></tr><tr><td>Last checked</td><td>3 Minutes ago!</td></tr></tbody></table><p><h2>crocus shdsl manual</h2></p><p>Such information and descriptions must not be copied or reproduced by any means, or disseminated or distributed without the express prior written permission of Telindus. This publication could include technical inaccuracies or typographical errors, for which Telindus never can or shall be held liable. Changes are made periodically to the information herein; these changes will be incorporated in new editions of this publication. Safety requirements The interfaces on the Crocus SHDSL should only be connected to circuit types as listed below. Interface Connector Circuit line RJ12 TNV-1 management subd SELV Carefully read the safety instructions at the beginning of Chapter 2 - Installing and connecting the Crocus SHDSL, page 11. Version December 2002 MRP TELiNDUS ii 3 Copyright, safety and statements Statements Products. Part User manual Reference manual Annexes This part shows you how to install and connect the Crocus SHDSL.It contains a complete description for lookup purposes.The following table gives an overview of the chapters in the user manual. Chapter This chapter 1 introduces the Crocus SHDSL. 2 explains how to install and connect the Crocus SHDSL. It also describes the front panel LED indicators. 3 shows the position of the DIP switches and straps on the Crocus SHDSL motherboard. It also reveals their function. 4 introduces the Telindus Maintenance Application (TMA) and keyboard management. It also shows how to start a TMA or keyboard management session on the Crocus SHDSL. Furthermore, it introduces the management attributes of the Crocus SHDSL. 5 teaches you the basics to configure the Crocus SHDSL, in a step-by-step manner. 6 describes the information that can be seen on the front panel display, in case your Crocus SHDSL is equipped with a display and keyboard. The following table gives an overview of the chapters in the reference manual. Chapter This chapter 7, 8, 9, 10 describes the configuration, status, performance and alarm attributes, respectively.<a href="http://igoseating.com/files/carrier-infinity-furnace-installation-manual.xml">http://igoseating.com/files/carrier-infinity-furnace-installation-manual.xml</a></p><ul><li><strong>telindus crocus shdsl user manual, crocus shdsl modem manual, 1.0, telindus crocus shdsl user manual, crocus shdsl modem manual.</strong></li></ul> <p> 11 displays and labels the different elements of the Telindus Maintenance Application subsystem picture. 12 gives a software download procedure. 13 uncovers the available diagnostic test functions. 14 summarises the technical specifications of the Crocus SHDSL. The following table gives an overview of the annexes. Annex Annex A Annex B This annex gives a list of abbreviations.The format Normal Italic Computer Computer Bold Narrow Blue Blue underlined is used to indicate normal text.Icon Name Description Remark Useful information or tips. Caution Warning Read the text that follows carefully in order to avoid damage to the device. Read the text that follows carefully in order to avoid injury. DIP switch Basic TMA parameter Advanced TMA parameter Action A configuration attribute of the Crocus SHDSL which can be set with the DIP switches. A basic attribute of the Crocus SHDSL which can be set with the Telindus Maintenance Application (TMA). An advanced attribute of the Crocus SHDSL which can be set with the Telindus Maintenance Application (TMA). An action which can be executed on the Crocus SHDSL with the Telindus Maintenance Application (TMA). Your feedback Your satisfaction about this purchase is an extremely important priority to all of us at Telindus. Accordingly, all electronic, functional and cosmetic aspects of this new unit have been carefully and thoroughly tested and inspected.<a href="http://missteenqueenuk.com/userfiles/carrier-infinity-manual.xml">http://missteenqueenuk.com/userfiles/carrier-infinity-manual.xml</a></p><p> If any fault is found with this unit or should you have any other qualityrelated comment concerning this delivery, please submit the Quality Comment Form on our web page at vi 7 Table of contents Table of contents User manual Introducing the Crocus SHDSL Crocus SHDSL features Crocus SHDSL product overview DTE interface overview Application software overview Power back-off CN4 card nest Management overview Installing and connecting the Crocus SHDSL Safety instructions Unpacking Selecting a site Installation and connection precautions Connecting the Crocus SHDSL Table Top Connecting the Crocus SHDSL Card Version Front panel LED indicators DIP switches and straps of the Crocus SHDSL DIP switches and straps of the Crocus SHDSL Table Top DIP switches and straps of the Crocus SHDSL Card Version Managing the Crocus SHDSL Starting TMA on the Crocus SHDSL Starting keyboard management on the Crocus SHDSL Introducing the management attributes of the Crocus SHDSL Step-by-step configuration Reading the configuration settings Loading the default configuration Crocus SHDSL compatibility with other Telindus devices Configuring the line Selecting the timing mode Configuring the clocking mode Configuring the user speed Configuring the G703 time slots Configuring the user speed and G703 time slots on the Dual Port G703-Serial interface Configuring the interface specific attributes Configuring the management attributes Activating the configuration Continued on next page vii 8 Table of contents Crocus SHDSL Table of contents (continued) 6.</p><p> The front panel display The windows of the front panel display The main window The line window The DTE window The test window The model browsing window The connect remote window The version window Reference manual Configuration attributes Configuration attribute overview General configuration attributes Line configuration attributes Line pair configuration attributes Interface configuration attributes Management configuration attributes Status attributes Status attribute overview General status attributes Line status attributes Line pair status attributes Interface status attributes Management status attributes Operating system status Performance attributes Performance attribute overview Introducing the performance attributes Line performance attributes Line pair performance attributes G703 interface performance attributes Dual Port G703-Serial interface performance attributes Operating system performance attributes Alarm attributes Alarm attribute overview Introducing the alarm attributes General alarms Line alarms Line pair alarms Interface alarms Continued on next page viii 9 Table of contents Table of contents (continued) 11. TMA subsystem picture of the Crocus SHDSL Displaying the subsystem picture Subsystem picture elements Software download What is boot, loader and application software. The following table gives an overview of this chapter. Section Title Page 1.1 Crocus SHDSL features Crocus SHDSL product overview DTE interface overview Application software overview Power back-off CN4 card nest Management overview 9 User manual 3 16 Introducing the Crocus SHDSL Crocus SHDSL 1.1 Crocus SHDSL features The Crocus SHDSL (single-pair high bit rate digital subscriber line) is a new generation manageable baseband modem offering full duplex transmission up to 2.3 Mbps over a two-wire unshielded twisted pair cable. A special 2-pair version offers the possibility to extend the speed range to 4.6 Mbps.</p><p> The line speed of the modem can be automatically adapted to optimise the throughput as a function of the characteristics of the local loop. The equipment is based on a new modulation technology called TC-PAM (Trellis Coded Pulse Amplitude Modulation), which guarantees higher speeds and longer loop performance. The TC-PAM modulation also guarantees spectral compatibility with legacy and ADSL transmission systems in the same cable bundle, offering an attractive solution for high-speed backbone access, for LAN to LAN connections, as well as for imaging and other bandwidth-demanding applications. A complete range of plug-in interface boards makes the Crocus SHDSL ideal for interfacing with almost every application. Not only traditional serial interfaces like V.35, V.36, RS-530 and X.21 (configurable for Nx64 kbps operation), but also G703 (transparent or with G.704 framing) and direct Ethernet 10BaseT connections with integrated bridge or router functionality are available. All these interface boards can be exchanged in only a few seconds, so flexibility is maximised. With TMA, a free user-friendly graphical Windows application, the operator can configure the local or remotely installed equipment. It is a valuable tool for the field engineer as it supports performance monitoring, retrieval of statistics and troubleshooting. Alternatively one can obtain a comparable functionality through the use of a VT100 terminal or by connecting an external LCD hand terminal. The Crocus SHDSL also offers an automatic installation mode, which allows standard configurations to be set up in only a few seconds. For larger networks, the Crocus SHDSL can be managed with a management application running on the SNMP based HP OpenView management platform. On this platform one can combine the management of the Crocus SHDSL with the management of all Telindus and many third party equipment.</p><p> The integrated management allows one to configure the modem remotely, to query the actual status of the modems, to permanently monitor the performance (real-time and statistical information), to conduct fault analysis, and to report alarms to the operator. It is available with or without an LCD display and keyboard. CV Card Version This card has to be inserted into the CN4 card nest. The connections (power and line) are made through the CN4 card nest. CV Twin Card Version Twin This card has to be inserted into the CN4 card nest. It incorporates two Crocus SHDSL modems on one card (hence the name Twin). As a result, one CN4 card nest can contain up to 30 modems. The connections (power and line) are made through the CN4 card nest. 1P 1 pair The line connection is made over 1 line pair. 2P 2 pair The line connection is made over 2 line pairs. Vac -48Vdc Volts - Alternate Current Volts - Direct Current The modem has to be powered with 115 or 230 Vac. The modem has to be powered with -48 Vdc. User manual 5 18 Introducing the Crocus SHDSL Crocus SHDSL 1.3 DTE interface overview A complete range of plug-in DTE interface modules makes the Crocus SHDSL ideal for interfacing with almost any application. All these DTE interface modules can be exchanged in only a few seconds. The Crocus SHDSL only supports transparent DTE interfaces (except for the G703 Nx64k interface). The following table lists the DTE interfaces modules which can be used in the Crocus SHDSL: DTE interface RS530, V36, X21 V35 Supported user and line speeds All user and corresponding line speeds are supported. V.35 is only specified up to 2 Mbps. V35 interfaces with PCB version 0.2 or lower only support speeds up to 2 Mbps. 0.3 or higher support all user and corresponding line speeds, provided short cables are used. G703 G703 Nx64k Dual Port G703-Serial 10baseT Bridge 10baseT Router 2M 10baseT Router 10M Fixed 2 Mbps user and line speed.</p><p> Fixed 2 Mbps user speed (time slots have to be configured instead of a user speed). All line speeds between 64 kbps and 2 Mbps are supported. All user and line speeds starting from 64 kbps are supported. All user and corresponding line speeds are supported. All user and corresponding line speeds up to 2304 kbps (hardware limitation). All user and corresponding line speeds are supported. 6 User manual 19 Introducing the Crocus SHDSL 1.4 Application software overview There are three different application software codes for the Crocus SHDSL, each with their own T-code and possibly different revisions. These software codes are not straightforward interchangeable. As you can see in the table, switching from PCB 0.x with long service down time to PCB 0.x with short service down time requires that the loader code is replaced first (local download), followed by the application code. All revisions of this boot, loader, application software and hardware combination support noninterrupted data traffic when downloading new application software. For more information on downloading software, refer to Section 12 - Software download. User manual 7 20 Introducing the Crocus SHDSL Crocus SHDSL 1.5 Power back-off The Crocus SHDSL features power back-off. Power back-off is a part of the ITU-T G SHDSL recommendation. It reduces the maximum transmit power level if the line conditions are sufficiently good to operate at a lower transmit level. Power back-off is performed by default (no configuration attribute). During the ITU-T G handshake, the two sides of the line mutually agree on the transmit level. The transmit level is lowered between 0 and 6 db in steps of 1dB. 1.6 CN4 card nest The Telindus CN4 card nest is based on a standard card nest which fits in a standard 19 rack. The CN4 card nest can hold up to 15 cards. The CN4 card nest supports the complete Crocus range. For more information on the CN4 card nest, refer to the CN4 manual. 8 User manual 21 Introducing the Crocus SHDSL 1.</p><p>7 Management overview The Crocus SHDSL is manageable in many different ways. This section gives a quick overview of the various management possibilities. Keyboard management The Crocus SHDSL Table Top is also available in a version with an LCD display and a keyboard. Using this display and keyboard you can manage the Crocus SHDSL TT in a basic way. This is called keyboard management. EasyConnect terminal Connecting the Telindus EasyConnect hand-held terminal over a serial connection (i.e. through the control connector) to the Crocus SHDSL, allows you to manage the Crocus SHDSL in the same way as with keyboard management. CLI and ATWIN Connecting a VT100 terminal (emulation program) over a serial connection (i.e. through the control connector) to the Crocus SHDSL, you can evoke the following onboard management applications: CLI. The Command Line Interface allows you to manage the Crocus SHDSL through a text based interface. ATWIN. This is a basic, menu-driven user interface. TMA and TMA CLI Connecting your computer over a serial connection (i.e. through the control connector) to the Crocus SHDSL, you can use the following management applications: TMA. The Telindus Maintenance Application is a free management application for Windows. It allows you to manage the Crocus SHDSL using a user friendly GUI. To find out more about TMA, refer to the TMA manual. TMA CLI. This is an advanced Command Line Interface with extra scripting capabilities. To find out more about TMA CLI, refer to the TMA CLI manual. The Orchid 1003 LAN management concentrator Connecting the Crocus SHDSL to the Orchid 1003 LAN management concentrator offers the following possibilities: Using the Orchid 1003 LAN as an IP proxy agent, you have the possibility to connect to the Crocus SHDSL over an IP network. In that case you can establish an IP connection with the Crocus SHDSL and run TMA, TMA CLI or the Web Interface over this connection. Using Telnet, you can also run ATWIN and CLI.</p><p> For more information on how to use the Orchid 1003 LAN as an IP proxy agent, refer to the Orchid 1003 LAN manual. Using the Orchid 1003 LAN as an SNMP proxy agent, you can manage the Crocus SHDSL through SNMP. For more information on how to use the Orchid 1003 LAN as an SNMP proxy agent, refer to the Orchid 1003 LAN manual. The Orchid 1003 LAN allows you to manage the Crocus SHDSL with TMA for HP OpenView, the Telindus integrated management application that runs on the HP OpenView platform. To find out more about TMA for HP OpenView, refer to the TMA for HP OpenView manual. Continued on next page User manual 9 22 Introducing the Crocus SHDSL Crocus SHDSL Management overview (continued) Management overview The following table gives an overview of all the management possibilities and how you can connect them: Management tool PC Crocus SHDSL connection PC Orchid connection (Orchid 1003 LAN as proxy) Serial IP Serial IP Keyboard (1) EasyConnect X X CLI X (2) X (2) X (3) ATWIN X (2) X (2) X (3) TMA X X X TMA CLI X X X TMA for HPOV SNMP (4) Web Interface (5) X X X (1) Connection with the Crocus SHDSL is internal. Keyboard and LCD are not available on all models. (2) Using a VT100 terminal (emulation program). (3) Using Telnet. (4) Using any SNMP browser. (5) Using a web browser. 10 User manual 23 Installing and connecting the Crocus SHDSL 2. Installing and connecting the Crocus SHDSL First this chapter gives some important safety instructions. Then it explains how to install and connect the Crocus SHDSL TT and CV. You are advised to read this chapter in a sequential manner, from the beginning to the end, without skipping any part. By doing so, your Crocus SHDSL will be completely installed and ready for configuration when you reach the end of this chapter. The following table gives an overview of this chapter. Section Title Page 2.</p><p>1 Safety instructions Unpacking Selecting a site Installation and connection precautions Connecting the Crocus SHDSL Table Top Connecting the Crocus SHDSL Card Version Front panel LED indicators 31 User manual 11 24 Installing and connecting the Crocus SHDSL Crocus SHDSL 2.1 Safety instructions IMPORTANT SAFETY INSTRUCTIONS Unplug the unit from the wall power outlet or remove it from the card nest before installing, adjusting or servicing. The safety of this unit depends upon the third pin (ground pin) of the 3-wire grounding type plug. Do not defeat this safety feature. If the power outlet at your site only has 2 pins, please consult a qualified electrician. Beachten Sie unbedingt diese Sicherheitsstandard. SAFETY WARNING To avoid damage to the unit, please observe all procedures described in this chapter. Ensure that the unit and its connected equipment all use the same AC power and ground, to reduce noise interference and possible safety hazards caused by differences in ground or earth potentials. 12 User manual 25 Installing and connecting the Crocus SHDSL 2.2 Unpacking Checking the shipping carton Rough handling during shipping causes most early failures. Before installation, check the shipping carton for signs of damage: If the carton box is damaged, please place a claim with the carrier company immediately. If the carton box is undamaged, do not dispose of it in case you need to store the unit or ship it in the future. Do not stack multiple units directly onto each other, as stacking can cause heat build-up that could damage the equipment. Install the unit in an area free of extreme temperatures, humidity, shock and vibration. Position it so that you can easily see and access the front panel and its control indicators. Leave enough clearance at the back for cables and wires. Position the unit within the correct distances for the different accesses and within 2m of a power outlet. 14 User manual 27 Installing and connecting the Crocus SHDSL 2.</p><p>4 Installation and connection precautions ESD WARNING The circuit boards are sensitive to electrostatic discharges (ESD) and should be handled with care. It is advisable to ensure an optimal electrical contact between yourself, the working area and a safety ground before touching any circuit board. Take special care not to touch any component or connector on the circuit board. EMC WARNING EMC compliant installation The complete Crocus family and the CN4 card nest are fully EMC compliant. Because of the modular structure of the CN4 card nest, all unused slots (power slots, card slots and interface slots) have to be covered with the appropriate blanking modules at installation time. This unit may be powered by an IT Power System. User manual 15 28 Installing and connecting the Crocus SHDSL Crocus SHDSL 2.5 Connecting the Crocus SHDSL Table Top This section explains how to connect the Crocus SHDSL TT. The following table gives an overview of this section. Section Title Page Table Top connections Connecting the power supply Signal and protective ground interconnection Connecting the line to the Table Top Inserting the DTE interface in the Table Top User manual 29 Installing and connecting the Crocus SHDSL Table Top connections All the connections have to be made at the back of the Crocus SHDSL Table Top. The following figure gives a rear view of the Crocus SHDSL TT. Number Part 1 power switch 2 power inlet 3 DTE interface slot 4 DB9 control connector (sometimes also called auxiliary or NMS connector) 5 RJ45 line connector Table 2.1: Rear view of the Crocus SHDSL TT parts table User manual 17 30 Installing and connecting the Crocus SHDSL Crocus SHDSL Connecting the power supply The following table explains how to connect the power supply. When the -48 Vdc power supply connector is wired, connect it to the power inlet. Refer to Figure 2.2: Rear view of the Crocus SHDSL TT 48V model. Table 2.</p><p>2: Connecting the power supply 18 User manual 31 Installing and connecting the Crocus SHDSL Signal and protective ground interconnection You can configure the interconnection between signal ground and protective ground (earth). Do this by means of the appropriate strap located on the Crocus SHDSL TT motherboard. For more information, refer to Section Straps of the TT. User manual 19 32 Installing and connecting the Crocus SHDSL Crocus SHDSL Connecting the line to the Table Top In order to connect the line to the Table Top, proceed as follows: Step Action 1 If you have a line cable with an RJ45 connector, you can immediately plug one end of the cable in the line connector of the Crocus SHDSL. RJ12 connector, then first plug in the RJ45 to RJ12 adapter in the line connector of the Crocus SHDSL. Then plug one end of the cable in the adapter. For more information on the line connector and adapter layout, refer to Section Line specifications and RJ45 RJ12 adapter specifications. 2 Plug the other end of the cable in the DSL outlet. Crocus SHDSL TT DSL line outlet line cable Table 2.3: Connecting the line to the TT For optimum performance, the used line pairs have to be properly twisted pairs. 20 User manual 33 Installing and connecting the Crocus SHDSL Inserting the DTE interface in the Table Top At the back of the TT, an empty slot is provided in which you can insert the desired DTE interface module without opening the housing. To insert the DTE interface in the TT, proceed as follows: Step Action 1 Gently slide the DTE interface on the two inner slides into the empty slot. The following figure shows this procedure: 2 When nearly inserted, press tight. 3 Lock both screws. 4 When the DTE interface is present, connect the application. Table 2.4: Inserting the DTE interface in the TT User manual 21 34 Installing and connecting the Crocus SHDSL Crocus SHDSL 2.6 Connecting the Crocus SHDSL Card Version This section explains how to connect the Crocus SHDSL CV.</p><p> The following table gives an overview of this section. Section Title Page Inserting the Card Version in the CN4 card nest Filling an entire CN4 card nest The CN4 card nest line connector Connecting the line to the Card Version Inserting the DTE interface in the Card Version Choosing 1 pair or 2 pair operation on the Crocus SHDSL 1P CV Twin Enabling wetting current operation Installing the optional wetting current module User manual 35 Installing and connecting the Crocus SHDSL Inserting the Card Version in the CN4 card nest The Crocus SHDSL CV consists of a stuffed print, provided with a front panel. The CV has to be inserted in the CN4 card nest. Most connections to this card are performed via 3 DIN-connectors on the back of the card: the middle connector for power supply, line and management connections the two extreme connectors for interface connections. To insert the CV in the CN4 card nest, proceed as follows: Step Action 1 Gently slide the CV on the two inner slides into an available slot. The following figure shows this procedure: 15 slots 2 When nearly inserted, press tight. 3 Fasten the two screws located at the front of the CV. Table 2.5: Inserting the CV in the CN4 card nest User manual 23 36 Installing and connecting the Crocus SHDSL Crocus SHDSL Filling an entire CN4 card nest For EMC reasons the cards all fit closely to each other. Therefore, you will experience that inserting the last card in a completely filled up rack is somewhat difficult. To fill up an entire rack, it is best to proceed as follows: Step Action 1 Insert card 1 up to 14 in slot 0 up to 13 of the CN4 card nest. 2 Fasten the screws of card 1 up to Insert the last card in slot 14 of the CN4 card nest. 4 Fasten the screws of the last card. Table 2.6: Filling an entire CN4 card nest 24 User manual 37 Installing and connecting the Crocus SHDSL The CN4 card nest line connector The line connector for the CV is provided at the back of the CN4 card nest.</p><p> However, in that case only modem A is operational and modem B is not used. Hence, connector positions L1 and L3 are used to connect respectively line pair 1 and 2 of modem A. For more information, refer to Section Straps of the Crocus SHDSL 1P CV Twin. For optimum performance, the used line pairs have to be properly twisted pairs. User manual 25 38 Installing and connecting the Crocus SHDSL Crocus SHDSL Connecting the line to the Card Version The line connector for the CV is provided at the back of the CN4 card nest. To connect a line pair to the CN4 line connector, proceed as follows: Step Action 1 Slide the wires of the line pair in the connector positions as indicated in Section The CN4 card nest line connector. 2 Fasten the line connector screws. Table 2.8: Connecting the line to the CV For more information on how to connect the line pairs to the CN4 card nest, refer to the manual of the CN4 card nest. 26 User manual 39 Installing and connecting the Crocus SHDSL Inserting the DTE interface in the Card Version At the back of the CN4 card nest, empty slots are provided in which the desired DTE interface module can be inserted without extracting the card from the card nest. The upper interface slot is used for modem A and the lower interface slot is used for modem B. To insert the DTE interface in the CN4 card nest, proceed as follows: Step Action 1 Gently slide the DTE interface on the two inner slides into the slot that lies in line with the CV. Do this by means of the appropriate straps located on the Crocus SHDSL CV motherboard. For more information, refer to Section Straps of the Crocus SHDSL 1P CV Twin. 28 User manual 41 Installing and connecting the Crocus SHDSL Enabling wetting current operation The Crocus SHDSL CV can be equipped with an optional wetting current module. This allows wetting current operation on the Crocus SHDSL CV. What is wetting current.</p><p> Wetting current is a small DC current (5 10 ma) which is injected on the line to prevent contact oxidation. Only a Crocus SHDSL CV can act as a wetting current source. A standard Crocus SHDSL TT acts as wetting current sink. How to enable wetting current. In order to activate wetting current on the Crocus SHDSL CV install the optional wetting current module. Refer to Installing the optional wetting current module.Refer to DIP switches of the CV. User manual 29 42 Installing and connecting the Crocus SHDSL Crocus SHDSL Installing the optional wetting current module To enable wetting current operation on the Crocus SHDSL CV, you have to install the optional wetting current module on the CV motherboard. Proceed as follows: Step Action 1 Place the CV on a flat surface in front of you, with the DIP switches, straps, etc.Make sure the component side of the module is facing down. 3 Push the module down so that the pin headers slide in the connectors. 4 Turn the CV around, i.e. with the DIP switches, straps, etc.The following table gives an overview of this section. The figures below show the front panel LED indicators of the Crocus SHDSL TT and CV: Figure 2.3: Front panel LED indicators of the Crocus SHDSL Front panel LED status modes For some front panel LED indicators (TST, AIS ERR and DCD) different status modes exist. These status modes can be distinguished by the way the LED lights up: LED status LED duty cycle Description continuously off 0 % The LED never lights up.Four different status modes can be distinguished: LED status Description off continuously on No test is active. An interface test is active. In case the test LED and the power LED are on (all other LEDs are in a random state), then the Crocus SHDSL runs in loader mode. For more information on loader mode, refer to Section What is loader software?. blinking flashing A test initiated by the management system is active. An interface test has been terminated by the management system.</p></body>
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