Avocent DSRTM 1021 Bedienungsanleitung

Installer/User Guide DS R ™ 10 21[...]

INSTRUCTIONS This symbol is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance. DANGEROUS VOLTAGE This symbol is intended to alert the user to the presence of uninsulated dangerous voltage within the product’s enclosure that may be of sufficient m[...]

Avocent, the Avocent logo, The Power of Being There, DSR, DSView and OSCAR are trademarks or registered trademarks of Avocent Corporation or its affiliates. All other marks are the property of their respective owners. © 2004 Avocent Corporation. All rights reserved. DSR ™ 1021 Installer/User Guide[...]

USA Notification Warning: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. Note: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are de[...]

Ta b l e of Content s Chapter 1: Product Overview Features and Benefits . . . . . . . . . . . . . . . . . . . . . . . . . 3 Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Chapter 2: Installation Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Installing the DSR Switch . . . . . . . . . . . .[...]

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Contents Features and Benefits . . . . . . . . . . . . . . . . . . . . . . . . 3 Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1 Pr oduct Over view[...]

Chapter 1: Product Overview 3 Chapter 1: Product Overview Features and Benefits The Avocent DSR™1021 switch combines analog and digital technology to provide flexible, centralized control of data center servers and facilitate the OA&M (operations, activation and maintenance) of remote branch offices where trained operators may be unavailable.[...]

4 DSR Installer/User Guide The DSRIQ module is powered directly from the server and provides Keep Alive functionality when the DSR1021 switch is not powered up. The DSRIQ-SRL (serial) module is a DCE device that provides the primary interface between a serial device and a DSR1021 switch. It provides VT100 terminal emulation, break suppression and p[...]

Chapter 1: Product Overview 5 Figure 1.1: Example DSR1021 Switch Configuration DSR102 1 Switch Ethernet T elephone Network Modem Analog User (OSCAR ® graphical user interface) Digital User (DSView Sof t ware )[...]

6 DSR Installer/User Guide Figure 1.2: The DSR1021 Switch Safety Precautions To avoid potential video and/or keyboard problems when using Avocent products: • If the building has 3- phase A C power , ensure t hat the serv er and monit or are on the same phase. For best results, they should be on t he same circ uit. To avoid potentially fatal shock[...]

Contents Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Installing the DSR Switch . . . . . . . . . . . . . . . . . . . . 11 2 Inst al lation[...]

Chapter 2: Installation 9 Chapter 2: Installation The DSR switching system requires that the DSView software, DSAdmin management application and DSAuth Server be installed prior to use. DSView software allows a user to view and control a server attached to the DSR switching system. The DSAdmin management application is used to configure and maintai[...]

10 DSR Installer/User Guide Additional items needed The following are additional items needed to use your DSR1021 switch: • One DS RI Q module per serv er or D S R IQ -S R L module per serial device • One CA T 5 patch c able per serv er or serial devic e (4- pair UTP , up t o 10 meters ) • DS R software • V. 3 4 , V. 9 0 o r V. 9 2 - c o m [...]

Chapter 2: Installation 11 Setting up your network The DSR switching system uses IP addresses to uniquely identify the server running the DSAuth application, the DSR switch appliances and the computers running DSView software. The DSR1021 switch supports both Dynamic Host Configuration Protocol (DHCP) and static IP addressing. Avocent recommends th[...]

12 DSR Installer/User Guide Figure 2.2: Basic DSR1021 Switch Configuration A1 Digital User SETUP Port for updating fi rmware DSR102 1 Switch KVM Connections Power Cord CA T 5 Cable Analog User Server DSRIQ Module PS/2, USB, Sun and serial adaptors are available Server Server Server Ports 1- 8 Internet Connection Ethernet and/or Modem SPC Power Con[...]

Chapter 2: Installation 13 WA RN IN G: To reduc e the r isk of e lec t ric sh ock o r damage to your e quipme nt - - Do n ot di sa ble t he po wer c ord g rou ndi ng pl ug . The g rou ndi ng p lug i s an im po r tan t sa fet y fe atur e. - Pl ug th e powe r co rd in to a gro und ed ( e ar th ed ) ou tle t tha t is ea si ly a cc es sib le at a ll ti[...]

14 DSR Installer/User Guide 2. Selec t option 1 t o set y our net w ork speed. When possible, y ou should set yo ur connec tion manually wit hout relying on the aut o negot ia t e feature. Once you enter y our selec tion, you will be returned to t he Netw ork Confi guration menu. 3. Selec t option 2 and spec ify if y ou are using a st atic or Dyna[...]

Chapter 2: Installation 15 For Windows 2000 (using default drivers): 1. From the Deskt op, select Start - Settings - Control Panel - Mouse . T he Mouse Properties dialog box will appear . 2. Click on t he Motion ta b. 3. Set S peed to t he default of 50% (t he sixth t ick mark from t he left ). 4. Set Acceleration t o None for mouse sync. 5. Click [...]

16 DSR Installer/User Guide For Red Hat ® Linux ® drivers: 1. From the Deskt op Controls, selec t the mouse set tings. 2. Set ac celeration t o 1 .0 and apply t he changes. 3. Click Mouse Align in the D SV iew software remote session window(s ) to resynchronize t he mouse. For Sun Solaris™ drivers: NOTE : To u s e a S un S ola ri s dri ver, you[...]

Chapter 2: Installation 17 3. Connect t he other end of t he CA T 5 cable to t he desired port on the bac k of yo ur DS R switch. 4. Repea t t his step for all servers y ou wish t o att ach. NOTE: When connecting a Sun DSRIQ module, you must use a multi-sync monitor to accommodate Sun computers that support both VGA and sync-on-green or composite s[...]

18 DSR Installer/User Guide 3. Choose an av ailable port on the rear of your DS R1 0 2 1 switc h. Plug one end of a CA T 5 cable (4- pair , up t o 1 0 meters ) into a numbered port and plug the ot her end into t he RJ-4 5 connec tor of a D S R I Q module. 4. Plug the D S R IQ module int o t he appropria te port s on the bac k of the serv er . Repea[...]

Contents Controlling Your System at the Local Port . . . . . . 21 Viewing and Selecting Ports and Servers . . . . . . . . 21 Navigating the OSCAR Interface . . . . . . . . . . . . . . 23 Configuring OSCAR Interface Menus . . . . . . . . . . 25 Changing the Display Behavior . . . . . . . . . . . . . . . 28 Controlling the Status Flag . . . . . . . .[...]

Chapter 3: Local Port Operation 21 Chapter 3: Local Port Operation Controlling Your System at the Local Port The DSR1021 switch includes a local port on the back of the appliance. This port allows you to connect a keyboard, monitor and mouse to the appliance for direct access. The DSR1021 switch uses the OSCAR ® graphical user interface, which has[...]

22 DSR Installer/User Guide Viewing the status of your DSR switching system The status of servers in your system is indicated in the far right columns of the Main dialog box. The following table describes the status symbols. OSCAR Interface Status Symbols Symbol Description (green circle) Server connected, powered up and the DSRIQ module is online.[...]

Chapter 3: Local Port Operation 23 Soft switching Soft switching is the ability to switch servers using a hotkey sequence. You can soft switch to a server by pressing Print Screen and then typing the first few characters of its name or number. If you have set a Screen Delay Time and you press the key sequences before that time has elapsed, the OSCA[...]

24 DSR Installer/User Guide OSCAR Interface Navigation Basic s (continued) This Keystroke Does This Escape Closes the current dialog box without saving changes and returns to the previous one. If the Main dialog box is displayed, pressing Escape closes the OSCAR interface and displays a status fl ag if status fl ags are enabled. See Contr olling [...]

Chapter 3: Local Port Operation 25 Configuring OSCAR Interface Menus You can configure your DSR switching system from the Setup menu within the OSCAR interface. Select the Names button when initially setting up your DSR switching system to identify servers by unique names. Select the other setup features to manage routine tasks for your servers fro[...]

26 DSR Installer/User Guide Figure 3.2: Setup Dialog Box Assigning server or serial device names Use the Names dialog box to identify servers or serial devices by name rather than by port number. The Names list is always sorted by port order. Y ou c a n t og g le bet ween d isplayi ng th e n am e or t he EI D nu mb er of e ach D S R IQ modu le , so[...]

Chapter 3: Local Port Operation 27 Figure 3.3: Names Dialog Box NOTE: If new DSRIQ mo dul es are discovered by the DSR102 1 sw itc h, the on-screen list will be automatically updated. The mouse cursor will change into an hourglass during the update. No mouse or keyboard input will be accepted until the list update is complete. To assign names to se[...]

28 DSR Installer/User Guide 2. T y pe a name i n t he Ne w Na me box . Na me s of ser ver s or ser ia l de v ic es m ay be u p to 1 5 character s l o ng. Legal chara cters in cl ude: A- Z , a - z , Ø - 9, s pac e an d h yp he n. 3. Click OK to transfer t he new name to t he Names dialog box. Y our select ion is not sav ed until you click OK in the[...]

Chapter 3: Local Port Operation 29 Figure 3.5: Menu Dialog Box To choose the display order of servers: 1. S elec t Name to display servers alpha bet ically by name. -or- Selec t EID to display serv ers numerically by E I D number . -or- Selec t P ort t o display serv ers numerically by port number . 2. Click OK . Depending on the display method sel[...]

30 DSR Installer/User Guide Controlling the Status Flag The status flag displays on your desktop and shows the name or EID number of the selected server or the status of the selected port. Use the Flag dialog box to confi gure t he fl ag t o display by serv er name or EI D num ber , or to c hange the fl ag c olor , opac ity , display t ime and l[...]

Chapter 3: Local Port Operation 31 3. Selec t a fl ag c olor in Display Color . T he following fl ag c olors are availa ble: • Flag 1 - Grey fl ag with black t ext • Flag 2 - White fl ag with red t ext • Flag 3 - White fl ag with blue t ext • Flag 4 - White fl ag with violet t ext 4. In Display Mode, select Opaque for a solid c olor ?[...]

32 DSR Installer/User Guide Figure 3.8: Broadcast Dialog Box NOTE: Broadcasting Keystrokes - The keyboard state must be identical for all servers receiving a broadcast to interpret keystrokes identically. Specifi cally, the Caps Lock and Num Lock modes must be the same on all keyboards. While the appliance attempts to send keystrokes to the select[...]

Chapter 3: Local Port Operation 33 To turn broadcasting off: From the Commands dialog box, clear t he Broadcast Enable checkbox. Using Scan Mode In scan mode, the DSR1021 switch automatically scans from port to port (server to server). You can scan up to eight servers, specifying which servers to scan and the number of seconds that each server will[...]

34 DSR Installer/User Guide To add a server in the midst of an existing list, plac e y our c ursor in the line below where y ou want to insert a new serv er and press Insert . 4. Type the fi rst few charact ers of a serv er name or port number to sc an. The fi rst matching server will appear in the line. -or- To move through the list, press the f[...]

Chapter 3: Local Port Operation 35 Figure 3.10: Commands Dialog Box 3. Selec t Scan Enable in t he Commands dialog box. 4. Click X t o close t he Commands dialog box. NOTE: Scanning will begin as soon as the scan button is checked. To cancel scan mode: 1. Selec t a serv er if t he OS CAR interfac e is open. -or- Mov e the mouse or press any key on [...]

36 DSR Installer/User Guide Use the Security dialog box to lock your console with password protection, set or change your password and enable the screen saver. NOTE: If a password has been previously set, you will have to enter the password before you can access the Security dialog box. To access the Security dialog box: 1. If the O S CAR interface[...]

Chapter 3: Local Port Operation 37 To password protect your console: 1. S et your passw ord as described in t he previous procedure. 2. Selec t Enable Screen Saver . 3. Type the number of minutes for Inact ivity Time (from 1-99 ) to delay act iva t ion of passw ord prot ect ion and the sc reen sav er feature. 4. F or Mode, selec t Energy if y our m[...]

38 DSR Installer/User Guide 4. Type the number of minutes for Inact ivity Time (from 1–99 ) to delay act iva t ion of the sc reen sav er . 5. Choose Energy if your monitor is E NE RGY S TAR c ompliant ; otherwise select Screen . CAUTION: Monitor damage can result from the use of Energy Mode with monitors not compliant with E NERGY S TAR ® . 6. ([...]

Chapter 3: Local Port Operation 39 The Keyboard command enables you to send a different keyboard country code than the default US setting. The specified country code is sent to all servers attached to the DSR1021 switches when they are powered up or rebooted, and the new code is stored in the DSRIQ module. NOTE: If a DSRIQ mo dul e is moved to a di[...]

40 DSR Installer/User Guide Managing Server Tasks Using the OSCAR Interface From the OSCAR interface Commands menu, you can manage your DSR switching system and user connections, engage the scan and broadcast modes and update your firmware. Commands to Manage Routine T asks for Y our Servers Feature Purpose Broadcast Enable Begin broadcasting to yo[...]

Chapter 3: Local Port Operation 41 Viewing and Disconnecting User Connections You can view and disconnect users through the User Status dialog box. The username (U) will always be displayed; however, you can display either the server name or EID number to which a user is connected. If there is no user currently connected to a channel, the user fiel[...]

42 DSR Installer/User Guide Figure 3.15: Disconnect Dialog Box 4. Click OK to disconnec t the user and ret urn to t he User Status dialog box. -or- Click X or press Escape to exit the dialog box without disc onnect ing a user . NOTE: If the User Status list has changed since it was last displayed, the mouse cursor will turn into an hourglass as the[...]

Chapter 3: Local Port Operation 43 b. Click X t o close t he message box. -or- Click X or press Escape t o e xit without sending a reset c ommand to the P S /2 mouse and keyboard. Displaying Version Information The OSCAR interface enables you to display the version number of the appliance firmware and any auxiliary devices connected to the applianc[...]

44 DSR Installer/User Guide Figure 3.17: DSRIQ Selection Dialog Box 4. Selec t a DS RI Q module to view and c lick the Ve rsion but ton. The DS R IQ V ersion dialog box appears. F or more information on loading fi rmware, see Appendix A. Figure 3.18: DSRIQ Version Dialog Box 5. Click X to c lose the D S R I Q V ersion dialog box.[...]

Contents Accessing the Terminal Applications Menu . . . . . . 47 4 Te r m i n a l Oper ations[...]

Chapter 4: Terminal Operations 47 Chapter 4: Terminal Operations Accessing the Terminal Applications Menu Each DSR1 021 switch ma y be conf ig ure d a t t he appl i a nc e level t h rou g h t he SETU P po r t on th e b a ck of th e swi t ch. Al l term in al comm and s ar e a cce ssed thr o ug h a t e r m i n a l or PC r u n n i ng te r m i n a l em[...]

48 DSR Installer/User Guide When you use the options to add, edit or delete a user, a list of existing users will appear. You may enter N to display the next page of users in the database or enter P to go back to the previous page of users. To add a user to the DSR1 02 1 switch database: 1. S elec t the PPP Confi guration menu option. 2. Selec t o[...]

Chapter 4: Terminal Operations 49 4. Y ou will be prompt ed to ent er the number of the user you wish to delete. Ty pe t he user’s number then press Enter . 5. Y ou will be prompt ed to c onfi rm delet ion of the user from t he DS R1 02 1 switc h da tabase. Enter a Y t o remov e the user . 6. Enter Ø t o e xit. To set an Authentication Timeout [...]

50 DSR Installer/User Guide When the last reference to a DSR1021 switch is removed from the database, the DSAuth Server certificate is removed from the DSR1021 switch, which allows the DSR switch to be moved from one DSAuth Server to another. The DSAuth Server certificate can also be removed from the Security menu on the DSR1021 switch console port[...]

Chapter 4: Terminal Operations 51 V ideo S ession T erminated - Displays the user who t ermina t ed t he session, the user who was terminated, port and c hannel num ber Local Port V iewing St arted - Displays the loc al port Local Port V iewing St opped - Display s t he loc al port Local Port V iewing T erminated - Displays user who terminated t he[...]

52 DSR Installer/User Guide SP C S ocket Off S ense Fail - Displa ys the S PC device loc ation name, S P C socket (out let ) number , name or group and applianc e port number for an SP C soc ket that should be off but has an “ on” st atus SP C T ot al Load T oo High - Displays the S P C device loc a tion name and appliance port number for an S [...]

Chapter 4: Terminal Operations 53 To activate security: 1. S elec t the Set/ Change P assword menu opt ion. Y ou will be prompt ed to decide if you wish to cont inue. Enter a Y . 2. Type a passw ord for this D S R1 0 2 1 switch and press Enter . This passw ord may be up to 1 4 charac t ers long. 3. Y ou will be prompt ed to re- type t he passw ord.[...]

54 DSR Installer/User Guide[...]

Contents Appendix A: FLASH Upgrades . . . . . . . . . . . . . . . . 57 Appendix B: Using the DSView Client Software Over a Modem Connection . . . . . . . . . . . . . . . . . 61 Appendix C: Using DSRIQ-SRL Modules . . . . . . . 64 Appendix D: UTP Cabling . . . . . . . . . . . . . . . . . . . 69 Appendix E: Technical Specifications . . . . . . . . . [...]

Appendices 57 Appendices Appendix A: FLASH Upgrades The DSRIQ module is unavailable while an upgrade is in progress. When an upgrade is initiated, any current connection to the server via the DSRIQ module will be terminated. If you are using DSAuth or DSView software, a server experiencing a DSRIQ module firmware update may not display, or may disp[...]

58 DSR Installer/User Guide 5. Selec t opt ion 1 , FLAS H Download . 6. Enter t he I P address of y our TF TP serv er and press Enter . 7. Enter t he name of the fi le that y ou downloaded from the A vocent site. 8. Confi rm t he TFTP download by typing a y or yes and pressing Enter . 9. T he DSR1021 switch will v erify t hat the fi le you do wn[...]

Appendices 59 3. Click DSRIQ to view individual module v ersion information. The DS RI Q S elect ion dialog box appears. Figure A.3: DSRIQ Version Dialog Box 5. Click the Lo ad Firmware but ton. The DS R I Q Load dialog box appears. Figure A.2: DSRIQ Selection Dialog Box 4. Selec t a DS RI Q module to upgrade and c lick t he Ve rsion butt on. The D[...]

60 DSR Installer/User Guide Figure A.4: DSRIQ Load Dialog Box 6. Click OK to initiate t he upgrade.[...]

Appendices 61 Appendix B: Using the DSView Client Software Over a Modem Connection An external modem may be attached to the DSR1021 switch. This modem may be used to access the appliance when an Ethernet connection is not available. A modem/PPP dial-up connection must be established before the remote operation is enabled. The dial-up connec tion op[...]

62 DSR Installer/User Guide • Ensure that an external modem is attac hed to t he DS R1 02 1 swit ch MODE M port . The modem should ha ve auto-answer turned off (typic ally a modem’s default sett ing). • Ensure that y our Client P C cont ains dial-up soft ware and that the software is confi gured properly . See your opera t ing system documen[...]

Appendices 63 Figure B.2: DSR1021 Switch Modem Connection NOTE : The DSR 1 02 1 switch w ill d is con ne ct th e mod em c onn ec tio n if th er e is no a cti vi ty o n the mode m con ne cti on fo r the ti me p er iod s pe ci fi ed by t he I nac ti vit y T ime out v alu e. T he de fa ult inactivity time - out valu e (1 5 min ute s ) may be c ha nge[...]

64 DSR Installer/User Guide Appendix C: Using DSRIQ-SRL Modules The DSRIQ-SRL module is a serial-to-VGA converter which permits VT100- capable devices to be viewed from the DSR switch local port or by using the DSView software. The actual serial data is not accessed, but is merely displayed. All serial data coming from the target device is displaye[...]

Appendices 65 • DS R/CD Mode - This option allows y ou t o c ontrol how the D S R and C D lines operate. A vaila ble opt ions are Alw ays on and T oggle. When in T oggle mode, DS R and CD lines are t urned off for one-half sec ond and then turned on eac h time a module is selec ted or deselec ted. The default value is Alw ays on. • Enter Sends [...]

66 DSR Installer/User Guide • On-Line K ey Sequenc e - This option allows y ou t o defi ne t he key sequence th at display s t he On- Line mode. T he default key sequenc e is Ctrl-F1 0 . • Help K ey Sequence - This option allows y ou t o defi ne the key c om bination th at display s t he Help System sc reen. T he default key sequenc e is Ctrl[...]

Appendices 67 4. On the line below t he macro keystroke sequence you just entered, type t he key st roke sequenc e that y ou wish the mac ro to perform. 5. Repea t st eps 3 and 4 to c onfi gure additional mac ros. 6. When fi nished, press Enter t o return t o the previous screen. Using History mode History mode allows you to examine the contents [...]

68 DSR Installer/User Guide DSRIQ-SRL module pinouts The following table lists the pinouts for the DSRIQ-SRL module and is provided for your reference. DSRIQ-SRL Module Pinouts DB 9-F Host Signal Signal Flow SRLSignal Pin Name/Description Name/Description 1 DCD - Data Carrier Detect Out of SRL D TR - Data T erminal Ready 2 RXD - Receive Data Out of[...]

Appendices 69 Appendix D: UTP Cabling The following information is intended to brief you on various aspects of con nec tion media. The performance of a DSR switching system depends on high quality connections. Poor quality or poorly installed or maintained cabling can diminish DSR system performance. NOTE: This appendix is for information purposes [...]

70 DSR Installer/User Guide DSR1021 Switch Wiring Standards (continued) Pin EIA/TIA 568A EIA/TIA 568B 5 white/blue white/blue 6 orange green 7 w h ite/brown white/br own 8 brown br own Cabling installation, maintenance and safety tips The following is a list of important safety considerations that should be reviewed prior to installing or maintaini[...]

Appendices 71 Appendix E: Technical Specifications DSR102 1 Switch Product Specifi cations Server Ports Number 8 Ty pes DSRIQ-PS/2, DSRIQ-USB , DSRIQ-VSN (Sun VGA), DSRIQ-WSN (Sun 1 3W3) and DSRIQ-SRL modules Connectors RJ- 45 Sync T ypes Separate horizontal and vertical Plug and Play DDC2B Video Resolution 640 x 480 @ 75 Hz (Local Port and Remote[...]

72 DSR Installer/User Guide DSR102 1 Switch Product Specifi cations Dimensions (continued) AC -input Cable Three -wire cable, with a three-lead IEC-320 connector on the end of the cable that connects to the appliance and a plug suitable for the specifi c ` country or region on the end of the cable that connects to AC power mains AC Frequency 50 -[...]

Appendices 73 Appendix F: Sun Advanced Key Emulation Certain keys on a standard Type 5 (US) Sun keyboard can be emulated by key press sequences on a PS/2 keyboard. To enable Sun Advanced Key Emulation mode and use these keys, press and hold Ctrl+Shift+Alt and then press the Scroll Lock key. The Scroll Lock LED blinks. Use the indicated keys in the [...]

74 DSR Installer/User Guide These key combinations will work with the DSRIQ-USB module (if your Sun system comes with a USB port) as well as the Sun DSRIQ-VSN and DSRIQ- WSN modules. With the exception of F12 , these key combinations are not recognized by Microsoft Windows. Using F12 performs a Windows key press. When finished, press and hold Ctrl+[...]

Appendices 75 Appendix G: Technical Support Our Technical Support staff is ready to assist you with any installation or operating issues you encounter with your Avocent product. If an issue should develop, follow the steps below for the fastest possible service: 1. Check t he pertinent sec tion of t he manual to see if t he issue can be resolv ed b[...]

76 DSR Installer/User Guide[...]

LIMITED WARRANT Y Av oc ent Corporation warrants to t he original retail purchaser t hat this product is and will be free from defec ts in materials and w orkmanship for a period of 2 4 months from t he date of purchase. A ddit ionally , all Av oc ent product s carry an unc onditional t hirty- day sa t isfact ion guarantee. If, for any reason, you [...]

For T echnical Support: Avocent Corporation 4991 Corporate Drive Huntsville, Alabama 35805-6201 USA Tel: +1 256 430 4000 Fax: +1 256 430 4031 590-388-00 1A Avocent International Ltd. Avocent House, Shannon Free Zone Shannon, County Clare, Ireland Tel: +353 6 1 7 1 5 292 Fax: +353 6 1 4 7 1 87 1 Avocent Asia Pacifi c Singapore Branch Offi ce 1 00 [...]