DDW-226
Contents
1. 3642 0200 3642 0220 3642 0240 3642 0250 is in conformity with the following EC directive s No Short name 2004 108 EC Electromagnetic Compatibility EMC 94 9 EC Equipment Explosive Atmospheres ATEX References of standards applied for this EC declaration of conformity Postadress Postal address S 640 40 Stora Sundby Sweden Tel Telefax 016 428000 016 428001 Int 46 16428000 Int 46 16428001 Postgiro 52 72 79 4 Bankgiro 5671 5550 No Title Issue EN 61000 6 1 Electromagnetic compatibility Immunity for residential 2007 environments EN 61000 6 2 Electromagnetic compatibility Immunity for industrial 2005 environments EN 61000 6 3 Electromagnetic compatibility Emission for residential 2007 environments EN 61000 6 4 Electromagnetic compatibility Emission for industrial 2007 environments EN 55024 Information technology equipment Immunity 1998 A1 2001 A2 2003 EN 55022 Information technology equipment Radio disturbance 2006 A1 2007 characteristics Limits and methods of measurement EN 50121 4 Railway applications Electromagnetic compatibility 2006 Emission and immunity of the signalling and telecommunications apparatus EN 60079 0 Explosive atmospheres 2009 Equipment General requirements EN 60079 15 Electrical apparatus for explosive gas atmospheres 2005 Construction test and marking2. This unit may have hot surfaces when used in high ambient temperature WARNING When this unit is operated at an ambient temperature above 60 C the External Surface of Equipment may exceed Touch Temperature Limit according to EN IEC UL 60950 1 Maintenance No maintenance is required as long as the unit is used as intended within the specified conditions 6642 22402 3 Ex ATEX Information General This unit is inten ded for use in Zone 2 hazardous location only Marking Ex 3G Ex nA IIC T4 Gc SPECIAL CONDITION Indicate that this unit complies with relevant European standards that are harmonised with the 94 9 EC Directive ATEX Equipment group ll I This unit can be installed in all places with an explosive gas atmosphere other than mines susceptible to firedamp Equipment category 3 A category is the classification according to the required level of protection 3 This unit ensures the requisite level of protection during normal operation and is intended for use in areas in which explosive atmosphere caused by gases vapours mists or dust mixtures are unlikely to occure or if they do occure are likely to do so only infrequently and for a short periode only G Indicates protection concerning explosive atmospheres caused by gases vapours or mists G Ex Indicates that this unit is in conformity with relevant European Ex standard s The type of protection used aA This unit is a non spar
3. Westermo Teleindustri DDW 226 WOLVERINE SERIES V wolverine Industrial Ethernet SHDSL extender www westermo com Legal information The contents of this document are provided as is Except as required by applicable law no warranties of any kind either express or implied including but not limited to the implied warranties of merchantability and fitness for a particular purpose are made in relation to the accuracy and reliability or contents of this document Westermo reserves the right to revise this document or withdraw it at any time without prior notice Under no circumstances shall Westermo be responsible for any loss of data or income or any special incidental and consequential or indirect damages howsoever caused More information about Westermo can be found at the following Internet address http www westermo com 2 6642 22402 Safety Before installation Read this manual completely and gather all information on the unit Make sure that you understand it fully Check that your application does not exceed the safe oper ating specifications for this unit This unit should only be installed by qualified personnel This unit should be built in to an apparatus cabinet or similar where access 15 restricted to service personnel only The power supply wiring must be sufficiently fused and if necessary it must be possible to disconnect manually from the power supply Ensure compliance to national i
4. Mail sales westermo co uk Germany Westermo Data Communications GmbH Goethestra e 67 68753 Wagh usel Tel 49 0 7254 95400 0 Fax 49 0 7254 95400 9 E Mail info Qwestermo de France Westermo Data Communications S A R L 9 Chemin de Chilly 91160 CHAMPLAN T l 33 1 69 10 21 00 Fax 33 1 69 10 21 01 E mail infos Qwestermo fr Singapore Westermo Data Communications Pte Ltd 2 Soon Wing Road 08 05 Soon Wing Industrial Building Singapore 347893 Phone 65 6743 9801 Fax 65 6745 0670 E Mail sales Qwestermo com sg North America Westermo Data Communications 939 N Plum Grove Road Suite F Schaumburg Chicago Phone 1 847 619 6068 Fax 1 847 619 66 74 E mail info Qwestermo com Taiwan Westermo Data Communications Co F2 No 188 Pao Chiao Rd Shing Tien City Taipei 23145 Phone 886 2 8911 1710 E mail info Qwestermo com Westermo Teleindustri AB have distributors in several countries contact us for further information REV D 6642 22402 2011 12 Westermo Teleindustri AB Sweden Beijer Electronics Group Company
5. Shielded cable Not required Number of ports 2 RS 232 Electrical specification EIA RS 232 Data rate 300 bit s 115 2 kbit s Data format 7 or 8 data bits odd even none parity 1 or 2 stop bits Protocol Transparent optimised by packing algorithm Circuit type SELV Transmission range 15 m 49 ft Isolation to Power DSL Ethernet Galvanic connection to USB Console Connection RJ 45 Shielded cable Not required Conductive housing Yes 14 6642 22402 Vwolverine Position Direction Description 1 In Out 2 wire Receive Transmit SHDSL 2 In Out 2 wire Receive Transmit SHDSL Direction relative this unit Position Direction Description 1 Out DSR Data Set ready 2 Out DCD Data Carrier Detect 3 In DTR Data Terminal ready 4 In Out SG Signal Ground 5 Out RD Receive Data 6 In TD Transmit Data 7 Out CTS Clear To Send 8 In RTS Request To Send Shield In Out Connected to PE Direction relative this unit wuna Position Direction Description Product marking 1 In Voltage A DC1 2 In Voltage B DC2 3 In Common COM 4 In Common COM Direction relative this unit Position Direction Description 1 Out Relay output 2 Out Relay output 3 In Digital in 4 In Digital in Direction rela
6. be reset to factory default You now have the choice to go ahead with the factory reset or to skip factory reset and boot as normal Go ahead with factory reset Acknowledge that you wish to conduct the factory reset by unplugging one of the Ethernet cables The ON LED will stop flashing This initiates the factory reset process and after approximately 1 minute the unit will restart with factory default settings When the switch has booted up the ON LED will typically show a green light a red light is shown if only one of the DC power feeds is connected Skip the factory reset To skip the factory reset process just wait for approximately 30 seconds after the ON LED starts flashing RED without unplugging any of the Ethernet cables The switch will conduct a normal boot with the existing settings Note Do not power off the unit while the factory reset process is in progress 20 6642 22402 EY WesTermo Westermo Teleindustri AB SE 640 40 Stora Sundby Sweden Phone 46 16 42 80 00 Fax 46 16 42 80 01 E mail info Qwestermo com Westermo Web site www westermo com Sales Units Sweden Westermo Data Communications AB Svalg ngen 1 SE 724 81 V ster s Phone 46 0 21 548 08 00 Fax 46 0 21 35 18 50 E Mail info sverige westermo se United Kingdom Westermo Data Communications Ltd Talisman Business Centre Duncan Road Park Gate Southampton SO31 7GA Phone 44 0 1489 580 585 Fax 44 0 1489 580586 E
7. ing To avoid obstructing the airflow around the unit use the following spacing rules Minimum spacing 25 mm 1 0 inch above below and 10 mm 0 4 inches left right the unit Spacing is recommended for the use of unit in full operating tem perature range and service life See figure t lo 0 0 O 18 6642 22402 Getting Started This product runs Westermo Operating System WeOS which provides several management tools that can be used for configuration of the unit IPConfig tool This is a custom Westermo tool used for discovery of attached Westermo units Web Configuration of the unit using the web browser CLI Configuration of the unit via the Command Line Interface If the computer is located in the same subnet as the switch you can easily use a web browser to configure the unit Within the web you can configure most of the available functions For advanced network settings and more diagnostic information please use the CLI Detailed documentation is available in the chapter The Command Line Management Tool in the WeOS management guide Factory default IP address 192 168 2 200 Netmask 255 255 255 0 Gateway Disabled Note If you are not sure about the subnet consult your network administrator Configuration Configure the unit via Webbrowser The unit can easily be configured via a Web browser Open the link http 192 168 2
8. one VPN tunnel up and OK RED Configurable Default All VPN tunnels down DDW 226 Copper ports OFF No Link Port 1 4 GREEN Link established GREEN Data traffic indication FLASH YELLOW Port alarm and no link Or if FRNT or RSTP mode port is blocked DSL ports OFF No SHDSL link Port 1 2 GREEN SHDSL link established GREEN SHDSL link negotiation BLINK GREEN Data traffic indication FLASH YELLOW Port alarm and no link Or if FRNT or RSTP mode port is blocked YELLOW Only during unit startup BLINK Firmware downloading to SHDSL chip Serial port RS 232 DCE mode TD OFF No serial data received GREEN Serial data received FLASH RD OFF No serial data transmitted GREEN Serial data transmitted FLASH 6642 22402 17 Mounting Mounting 35 mm DIN rail The unit can be mounted on a 35 mm DIN rail which is horizontally mounted inside an apparatus cabinet or similar Snap on mounting see figure Note For proper vibration and chock performance Westermo recommends standard top hat DIN rail TH 35 15 according to EN 60715 Removal Press down the support at the back of the unit using a screwdriver See figure Wall mounting c This unit can also be wall mounted see figure y O Earth connection O For correct function the ground connection on the unit EV needs to be properly connected to a solid ground E See figure A Cooling This unit uses convection cool
9. 200 in your web browser and you will be prompted with a Login screen where the default settings for Username and Password are Username admin Password westermo Once you have logged in you can use the extensive integrated help function describing all configuration options Two common task when configuring a new switch is to assign appropriate IP settings and to change the password of the admin account The password can be up to 64 characters long and should consist of printable ASCII characters ASCII 33 126 Space is not a valid password character Note Version of IP Config tool must be 10 3 0 or higher 6642 22402 19 Referring documents Type Description Document number Management Guide Westermo OS management guide 6101 3201 Factory default on DDW 226 It is possible to set the unit to factory default settings by using two standard Ethernet RJ 45 cables 1 2 Power off the switch and disconnect all Ethernet cables and DSL cables Connect one Ethernet cable between Ethernet port 1 and Ethernet port 4 and another Ethernet cable between Ethernet port 2 and Ethernet port 3 The ports need to be connected directly by Ethernet cables i e not via a hub or switch Use straight cables not cross over cables when connecting the port pairs Power on the unit Wait for the unit to start up Control that the ON LED is flashing red The ON LED flashing indicates that the unit is now ready to
10. EN 61000 4 29 DC power ports 10 amp 100 ms interruption 10 ms 30 reduction 10 ms 60 reduction 20 above amp 20 below rated voltage to other isolated ports Radiated emission EN 55022 Enclosure Class A EN 55016 2 3 Enclosure Class A FCC part 15 Enclosure Class A Conducted emission EN 55022 DC power ports Class A Dielectric strength EN 60950 Signal port 1500 Vrms 50 Hz 1 min Power port to other isolated ports 1500 Vrms 50 Hz 1 min Temperature Operating 40 to 70 C Storage amp Transport 40 to 85 C Maximum surface 135 C temperature class T4 temperature Humidity Operating 5 to 9576 relative humidity Storage amp Transport 5 to 9576 relative humidity Altitude Operating 2 000 m 70 kPa Reliability prediction MIL HDBK 217F Operating 700 000 hours 25 C MTBF Service life Operating 10 year Vibration IEC 60068 2 6 Operating 7 5 mm 5 8 Hz 2 g 8 500 Hz Shock IEC 60068 2 27 Operating 15 g 11 ms Enclosure UL 94 Aluminium Zink Flammability class V O Dimension W x H x D 134 x 105 x 122 mm Weight 1 5 kg Degree of protection IEC 529 Enclosure IP 40 Cooling Convection Mounting Horizontal on 35 mm DIN rail or wall mouonted Refer to Safety section in User Guide 10 6642 22402 Description DDW 226 is an Ethernet extender with integrated switch and support for legacy serial connections lt uses the Westermo We
11. OS operating system that provides the DDW 226 with all the advanced switching and routing functionality supported by the DDW 226 These functions include VLAN support Layer 2 3 switching Static Routing Firewall functions IGMP Snooping VPN support A further enhancement the DDW 226 provides is a set of advanced diagnostic functions that allow the SHDSL line to be dynamically monitored allowing alarms to be config ured to pre warn of any performance issues This monitoring data can be accessed in a number of ways it can be read at any time through the Web Interface Command Line Interface or via SNMP A key function of the DDW 226 is its ability to be used to create redundant ring net works over the SHDSL links using both the Westermo FRNT protocol but also RSTP Serial port Up to 15 3 Mbit s over old cables Redundant ring on the SHDSL interface Advanced Diagnostics VLAN support and IGMP Snooping VPN support 6642 22402 11 Interface specifications Power Rated voltage 20 to 48 VDC Operating voltage 16 to 60 VDC Rated current 330 mA 495 mA 20 VDC with 500 mA USB load 150 mA 215 mA 48 VDC with 500 mA USB load Rated frequency DC Inrush current 2t 1 5 25 Startup current 400 mA Polarity Reverse polarity protected Redundant power input Yes Isolation to All other Connection Detachable screw terminal Connector size 0 2 2 5 mm AWG 24 12 Shielde
12. d cable Not required External supply current capability for proper startup Console Electrical specification TTL level Data rate 115 2 kbit s Data format 8 data bits none parity 1 stop bit no flow control Circuit type SELV Isolation to All other except USB Galvanic connection to USB Connection 2 5 mm jack use Westermo cable 1211 2027 12 6642 22402 9 9 DDW 226 CONSOLE LN 9 Connection to console port The console port can be used to connect to the CLI Command Line Interface The following steps needs to be taken 1 Connect the serial diagnostic cable to the console port use only Westermo cable 1211 2027 2 Connect cable to your computer USB port if drivers are needed they can be downloaded from our Web page 3 Use a terminal emulator and connect with correct speed and format to the assigned port For more information about the CLI see the WeOS management guide USB Electrical specification USB 2 0 host interface Data rate Up to 12 Mbit s full speed mode Circuit type SELV Maximum supply current 500 mA Isolation to All other except Console Galvanic connection to Console Connection Connection USB receptacle connector type A Conductive housing Yes I O Relay output Connect resistance 300 Isolation to All other Detachable screw terminal Connector
13. e to impact is provided by the apparatus cabinet See Installation in an apparatus cabinet above for requirements on the external apparatus cabinet Resistance to light This unit requires installation in an apparatus cabinet where it is protected from light for example daylight or light from luminaires See Installation in an apparatus cabinet above for requirements on the external apparatus cabinet Secureness of plugs When this unit is installed in an explosive atmospheres all connectors must be mechanically secured to prevent loosening Conductor temperature When this unit is installed in locations with high ambient temperature special precautions shall be taken upon the choice of external conductor s and the temperature rating of the conductor s Directive 94 9 EC alongside with other directives Directive 2004 108 EC EMC applies and to assure a safe performance of this unit under the scope of Directive 94 9 EC refer to the electromagnetic immunity level specified under Type tests and environmental conditions in this manual Warning marking When this unit is installed in an explosive atmospheres the warning label submitted together with this unit shall be attached on the unit and visible to the end user Standards and date of compliance EN 60079 0 and EN 60079 15 2011 03 24 6642 22402 5 Ratings Power 20 48 VDC 330 mA Ambient temperature 40 C lt Ta lt 70 C Ing
14. king device nA which is constructed to minimize the risk of occurence of arcs or sparks capable of creating an ignition hazard during conditions of normal operation IIC Gas group a typical gas i hydrogen Temperature class T4 T4 135 C T4 This unit is classified in accordance with its maximum surface temperature external and internal Equipment protection level Gc EPL Gc Equipment for explosive gas atmospheres having a enhanced level of protec Gc tion which is not a source of ignition in normal operation and which may have some additional protection to ensure that it remains inactive as an ignition source in the case of regular expected occurences EPL Gc are analogous to the ATEX Categories Category 3 G EPL Gc This unit has a special condition for safe use SPECIAL 28 The special condition for safe use contains safety related information that is CONDITION necesarry for the correct installation and safe use 6642 22402 SPECIAL CONDITION FOR SAFE USE Ambient temperature This unit is designed for use in extreme ambient temperature conditions according to the following 40 C lt Ta lt 70 C Installation in an apparatus cabinet This unit requires installation in an Ex certified apparatus cabinet suitable for the area of use and providing a degree of protection of at least IP54 Resistance to impact This unit requires installation in an apparatus cabinet where adequate resistanc
15. l conditions in this user manual for proven transient protection 6642 22402 A Position Direction I Input Output description values 1 IO Relay output Uj 60 VDC max 2 Relay output Uin BO mA max 3 4 3 IO Digital in Uin 60 VDC max 4 lO Digtalin Uin 10 MA max Position Direction Input values descripton 1 Out VBUS 2 In out D Ug 5 VDC max 3 Infout D lout 500 mA max 4 GND Shield PE Position Direction Input Output descripton values 1 In out GND U 3 3 VDC max 1 Ques Ix 2 24 mA max In Rx Position Descripton Input Output values 1 Out Data Set Ready DSR 2 Out Data Carrier Detect DCD 3 In Data Terminal Ready DTR Umax 12 Ypk 4 In Out Signal Ground SG 60 mA 5 Out Receive Data RD Data rat 6 In Transmit Data TD 03 1122 kbit s 7 Out Clear To Send CTS i 8 In Request To Send RTS Shield In Out Connected to PE 6642 22402 Agency approvals and standards compliance Type Approval Compliance EMC EN 55024 EN 55024 A1 EN 55024 A2 Electromagnetic compatibility Immunity equipment EN 55022 EN 55022 A1 Information technology equipment Radio disturbance characteristics Limits and methods of measurement EN 61000 6 2 Immunity i
16. ndustrial environments EN 61000 6 4 Emission industrial environments FCC part 15 Class A EN 50121 4 Railway signalling and telecommunications apparatus Safety EN 60950 1 IT equipment UL IEC EN 60950 1 IT equipment SHDSL ITU T G 991 2 Ex EN 60079 0 and EN 60079 15 FCC Part 15 105 Notice This equipment has been tested and found to comply with the limits for Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communica tions Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Warning This is a class A product In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures 8 6642 22402 Declaration of Conformity AV WesTermo The manufacturer Westermo Teleindustri AB Declaration of conformity Westermo Teleindustri AB SE 640 40 Stora Sundby Sweden Herewith declares that the product s Type of product Model Art no Industrial Ethernet SHDSL extender Wolverine DDW 22x series
17. nstallation regulations This unit uses convection cooling To avoid obstructing the airflow around the unit follow the spacing recommendations see Cooling section N Before mounting using or removing this unit Prevent access to hazardous voltage by disconnecting the unit from power supply Warning Do not open connected unit Hazardous voltage may occur within this unit when connected to power supply Care recommendations Follow the care recommendations below to maintain full operation of unit and to fulfil the warranty obligations This unit must not be operating with removed covers or lids Do not attempt to disassemble the unit There are no user serviceable parts inside Do not drop knock or shake the unit rough handling above the specification may cause damage to internal circuit boards Do not use harsh chemicals cleaning solvents or strong detergents to clean the unit Do not paint the unit Paint can clog the unit and prevent proper operation Do not expose the unit to any kind of liquids rain beverages etc The unit is not water proof Keep the unit within the specified humidity levels Do not use or store the unit in dusty dirty areas connectors as well as other mechanical part may be damaged If the unit is not working properly contact the place of purchase nearest Westermo dis tributor office or Westermo Tech support A readily accessible disconnect device shall be incorporated external to the equipment
18. of type of protection n electrical apparatus The last two digits of the year in which the CE marking was affixed 11 Fr s Signature Pierre berg Technical Manager 25 March 2011 Only applicable for article no 3642 0250 Org nr Corp identity number 556361 2604 Registered office Eskilstuna 6642 22402 Type tests and environmental conditions Phenomena Test Description Test levels ESD EN 61000 4 2 Enclosure contact 6kV Enclosure air 8kV RF field AM modulated IEC 61000 4 3 Enclosure 10 V m 80 AM 1 kHz 80 1000 MHz 20 V m 80 AM 1 kHz 800 1000 MHz 10 V m 80 AM 1 kHz 1400 2100 MHz 5 80 AM 1 kHz 2100 2500 MHz 1 80 AM 1 kHz 2500 2700 MHz Fast transient EN 61000 4 4 Signal ports t2kV Power ports t2kV Surge EN 61000 4 5 Signal ports unbalanced 2 kV line to earth 2 kV line to line Signal ports balanced 2 kV line to earth 1 kV line to line Power ports 2 kV line to earth 1 kV line to line RF conducted EN 61000 4 6 Signal ports 10 V 80 AM 1 kHz 0 15 80 MHz Power ports 10 V 80 AM 1 kHz 0 15 80 MHz Power frequency EN 61000 4 8 Enclosure 300 A m magnetic field Pulse magnetic field EN 61000 4 9 Enclosure 300 A m Mains freq 50 Hz EN 61000 4 16 Signal ports 100 V 50 Hz line to earth Mains freq 50 Hz SS 436 15 03 Signal ports 250 V 50 Hz line to line Voltage dips and interruption
19. ress protection IP IP40 Maximum surface temperature 135 C temperatur class T4 Safety Control Drawing Degree of protection IP40 Ambient temperature 40 to 70 C Installation spacing Minimum 25 mm above below Minimum 10 mm left right Direction relative this unit Direction Position ar Input Output values descripton 1 In Out SHDSL U 5 Vpk 12 25 mA Data rate up to 2 In Out SHDSL 15 3 Mbit s Galvanically isolated via signal transformer and capaci tively isolated to signal ground through a 1 5 kV 220 pF capacitor See user manual for proven transient protection vs Direction Position i Input Output values descripton 1 In Out TD 2 In Out TD z oil U 1V connecte 12 20 mA 5 Not connected 6 henne er 10 100 Mbit s 7 Not connected 8 Not connected Shield PE Galvanically isolated via signal transformers and capaci tively isolated to GND PE through 2kV 1000pF capacitor See user manual for proven transient protection Position M5 threaded hole for PE connection Direction descripton Input values In Voltage In Voltage B 1 2 3 In Common 4 In Common Uin 10 60 VDC li 420 mA 16 VDC Pin Max 7 W See section Type tests and environmenta
20. size 0 2 2 5 mm AWG 24 12 Maximum voltage current 60 VDC 80 mA I O I Digital input Voltage levels Logic one gt 12V Logic zero lt 1V Isolation to All other Connection Connector size Detachable screw terminal 0 2 2 5 mm AWG 24 12 6642 22402 13 Ethernet TX Electrical specification IEEE std 802 3 2005 Edition Data rate 10 Mbit s or 100 Mbit s manual or auto Duplex Full or half manual or auto Circuit type TNV 1 Transmission range Up to 150 m with CAT5e cable or better Isolation to All other Connection RJ 45 auto MDI MDI X Shielded cable Not required except when installed in Railway applications as signalling and telecommunications apparatus and located close to rails Conductive housing Yes Number of ports 4 To minimise the risk of interference a shielded cable is recommended when the cable is located inside 3 m boundary or the cable is longer than 30 m and inside 10 m boundary to the rails and connected to this port SHDSL Electrical specification ITU T G 991 2 Annex B Data rate 192 kbit s to 15 3 Mbit s Protocol EFM according to IEEE 802 3 2005 Transmission range According to ITU T G 991 2 depending on line quality Isolation to All other Connection Detachable screw terminal Connector size 0 2 2 5 mm AWG 24 12
21. tive this unit 6642 22402 15 Position Direction Description 1 In Out TD 2 In Out TD 3 In Out RD 4 Not connected 5 Not connected 6 In Out RD 7 Not connected 8 Not connected Shield In Out Connected to PE DDW 226 Direction relative this unit Position Direction Description 1 Out VBUS 2 In Out D 3 In Out D Console see more information 4 Out GND on page 10 and 11 Shield In Out Connected to PE Direction relative this unit 6642 22402 LED indicators LED Status Description uwestermo ON OFF Unit has no power bei GREEN All OK no alarm condition RED Alarm condition or until unit has started up Alarm conditions are configurable see WeOS Management Guide BLINK Location indicator Here am Activated when connected to IPConfig Tool v upon request from Web CLI verna DC1 OFF Unit has no power GREEN Power OK on DC1 RED Power failure on DC1 E DC2 OFF Unit has no power GREEN Power OK on DC2 RED Power failure on DC2 FRNT OFF FRNT disabled GREEN FRNT OK RED FRNT Error BLINK Unit configured as FRNT Focal Point RSTP OFF RSTP disabled GREEN RSTP enabled BLINK Unit elected as RSTP STP root switch VPN OFF VPN disabled GREEN Configurable Default At least
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DDW 226 ddw 225 ddw 2026 location ddw 2026 abstract deadline ddw 2026 dates ddw 20265 ddw 2026 chicago ddw 2026 abstract submission deadline ddw 2026 abstract ddw 2026 deadline ddw 2026 conference ddw 2026 abstract submission dw 216 dd2266 army form