GE 1601-9026-A3 manuale d’uso

MultiLink Ethernet Communications Swit ch Quickstar t Guide Firmwar e Revision 3.x Manual P/N: 1601-9026-A3 Manual Order Code: GEK-113393B Copyright © 2009 GE Multilin GE Multilin 215 Anderson Avenue, Markham, Ontario Canada L6E 1B3 T el: (905) 294-6222 Fax: (905) 20 1-2098 Internet: http://w ww .GEmultilin.com *1601-0220-A3* I I SO9001:2000 G E M[...]

These instructions do not purpor t to cover all details or vari ations in equipment nor provide for every possible contingenc y to be met in connection wi th installation , operation, or maintenance. Should fur ther in formation be desired or should particular problems arise which are not covered sufficiently for the purcha ser ’s purpose, the ma[...]

TABLE OF CONTENTS MULTILINK ML1600/2400 ETHERNET COMMUNICA TIONS SWITCH – QUICKST ART GUIDE TOC–I Table of Contents 1. PREPARATION ................... ........... .............. .............. ............ .............. ........... ....... 1 P RECAUTIONS ..........................................................................................[...]

TOC–II MULTIL INK ML1600/24 00 ETHERNET COMMUN ICATIONS SWITCH – QUICKST ART GUI DE TABLE OF CONTENTS 9. TAGGED VLANS & RING ONLY MODE- ................ ........... .............. .............. ... 42 Background: .................... ............ ............... ............ ........... ............... ............ .............. ..... ...[...]

MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST AR T GUIDE 1 Multilink Ethernet Communications Switch QuickStart Guide Digital Energy Multilin QuickStart Guide 1 Preparation 1.1 Precautions Before installing the equipment , it is necessary to take the foll owing precautions if the equipment is mounted in an enclosed or mul tiple rack assembly:[...]

2 MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE QUICKSTART GUIDE they have rubber feet they can also be installed on a shelf or table top unit . The compact size allows the Unit to be easily placed in an off ice or lab area, and it can also be either shelf of wall-mounted. Locate a power source within six feet (2 m eters) of the in[...]

QUICKSTA RT GUIDE MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST AR T GUIDE 3 2 Mechanical Installation 2.1 Table-top or Shelf Mounting The Unit can be mounted on a table-t op or any suitable horizontal surface. It has four rubber feet t o provide stabili ty without scratching f inished sur faces. 2.2 Rack Mounting - ML2400 Installation of a [...]

4 MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE QUICKSTART GUIDE The 23-inch brackets and the ETSI (European metric, approximately 21") brackets are also available for rack-mounting of the Unit. These brackets ar e popular in the telecommunications industry where they ar e a standard for central off ice rack-mounting purposes.[...]

QUICKSTA RT GUIDE MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST AR T GUIDE 5 FIGURE 4: DIN-rail latch (detail) To install the Unit with the DIN-rail brackets and latches, hold the unit in the vertical position with the bottom out and with the top toward the DIN-rail. Position the latches over the top of the DIN-rail, then snap the latches in[...]

6 MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE QUICKSTART GUIDE The DIN-Rail mounting brac kets and latches are optional and need to be ordered as separate it ems. 2.3.1 Mounting Dimensio ns with Metal Brackets Each MultiLink Unit is suppl ied with metal mounting brackets and screws to mount the unit securely. It is r ecommended t[...]

QUICKSTA RT GUIDE MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE 7 2.4 DIN-Rail / Panel Mo unting - ML1200/ML800 The Multilink ML1200/ML800 is designed for use in a “factor y floor ” industrial environment . It is available with optional DIN-Rail brackets to mount it secur ely in a metal factory floor enclosure, maintained verti[...]

8 MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE QUICKSTART GUIDE The Unit is mounted using the brackets as shown in the illustration above. The spaci ng for the mounting screws into the supporting wall or panel is a r ectangle 21.74 x 11.91 cm (8.56 x 4.69 inches) center-to-center .[...]

QUICKSTA RT GUIDE MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE 9 3 Electrical Installation 3.1 Powering the Unit - ML2400 Units with the AC power supply option can be connected directly to 110/240 V AC with the supplied power cord. The standard high voltage (120/125 V A C/DC) or low-voltage (48 V DC) terminal block on the Unit is [...]

10 MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE QUICKSTART GUIDE 3.2 Powering the Unit - ML1600 Units with the AC power supply option can be connected directly to 110/240 V AC with the supplied power cord. The terminal block for the HI and LO option on the Unit is locat ed on the left front of the unit and is equipped with three ([...]

QUICKSTA RT GUIDE MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE 11 See the Appendices of the refer ence manual for more details. Use an RFQ for o ther vari at io ns. 3.4 UL Requirements for DC-Powered Units 1. Minimum 18 AWG cable for connection to a centralized DC power source. 2. Minimum 14 AWG cable for connection to a earthing [...]

12 MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE QUICKSTART GUIDE 3.6 Dielectric Str ength (hi- pot) Testing CAUTION The shorting l ink between the and safety ground must be r emoved prior to the dielectric s trength test to protect the transient suppression circuitry of the power supply. For specif ic product details please refer [...]

QUICKSTA RT GUIDE MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE 13 4 Connecting a Management Console T erminal t o the Unit 4.1 Description Use a DB-9 to DB-9 null-modem cable (ML2400/ML1600) or RJ45 to DB-9 null-modem cable (ML1200/ML800) to connect the Unit console port to the a P C. NOTE Note Console cables may be purchased as a[...]

14 MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE QUICKSTART GUIDE 4.1.2 ML1200/ML800 Table 2: Pinout information for above connector Pin Name Description Direction 1R T X R e q u e s t t o S e n d O U T 3 TXD Transceiver Data OUT 4 GND Ground 5 GND Ground 6 RXD Receive Data IN 8 CTS Clear to Send IN[...]

QUICKSTA RT GUIDE MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE 15 5 Introduction to Tw isted Pair and Fiber Optic Ethernet L ANs This section will provide a brief review of mode rn Ethernet med ia before covering the steps to correctly conf igure the Multilink switch for t ypical protective relaying appl ications. For this discuss[...]

16 MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE QUICKSTART GUIDE 5.1.2 Fiber • Longer distanc es possible, limit ed only by attenuation • Immune to electrical noise • More diff i cult termination and spl icing • Slightl y higher cost for cable • Two categories: • multi-mode • single-mode 5.2 Su pport ed Network T opo[...]

QUICKSTA RT GUIDE MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE 17 • Additional Fi ber Cables requir ed 5.2.3 Ring Architecture • Full Network Redundancy • Allows for Fast est Network Recovery (R O mode has typical recovery time of ≤ 5 ms/ hop ) • Most Cost Effective Solution 5.3 10BASE T and 100BaseT Media 10 Base T and [...]

18 MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE QUICKSTART GUIDE 5.3.2 Ethernet: Unshielded Twisted Pair FIGURE 11: Pin Layout for a RJ45 Ethernet Straight -through Cable The cable itself consists of four pairs of wires terminat ed in RJ45 connector s. The maximum permitted cable leng th is 100 mete rs. The cable pin connections c[...]

QUICKSTA RT GUIDE MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE 19 For the second twisted wire pair one wir e is White with orange bands while the other wi re is orange. The third twisted wire pair #3 consists of a whit e wire with green bands and a second wire that is green. The f inal wire pair , wire pair #4 consists of a w hite[...]

20 MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE QUICKSTART GUIDE 6 Connecting Ethernet Media 6.1 Description The Unit s are specif ically designed t o support standard Ethernet med ia types within a single unit . This is ac complished by using a family of modules that are individually select ed and conf igured. The supported med i[...]

QUICKSTA RT GUIDE MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE 21 6.3 Connecting SC-type Fiber Optics (snap-in) The following procedure applies to installations using modules with SC-type f iber connectors. These include the A3, A7, A8, G3, G4, G5, G7, G8, GC, GF , GH, and GJ modules. When connecting f iber media to SC connect ors[...]

22 MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE QUICKSTART GUIDE The following procedur e describes how to connect a 1000Base-T twist ed pair segment to the RJ45 port . The procedur e is the same for both unsh ielded and shielded twisted pair cables. 1000Base-T connections require that all four pairs or wire s be connected : Z Ins[...]

QUICKSTA RT GUIDE MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE 23 7 Hubs and Switches Two of the major Ethernet L AN components are "hubs" and "switche s." There ar e many advantages of a switch over a hub. Hubs just transfer information from one port t o all other ports. Since a hub has no way of handli ng med[...]

24 MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE QUICKSTART GUIDE 7.2 Single and Multi-mode cable 7.2.1 Fiber Cable Cr oss Section and Physical Specif ications Multi Mode • 62.5/125 µm • 50/125 µm* Single Mode • 9/125 µm * Will become more popular as baud rate goes up This is a scaled drawing of both a 62.5/ 125 μ m multi[...]

QUICKSTA RT GUIDE MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE 25 micrometer f iber is 8 microns in diamet er (almos t an eighth of that of the Multi-Mode f iber) surrounded by a second outer clad. This clad can pa ss a light signal, so for this reason the f iber is referr ed t o as 9 by 125 micrometer f iber . FIGURE 13: Differen[...]

26 MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE QUICKSTART GUIDE 8 Optical Pow er Budget Inevitably the question t hat arises is “ What is the maximum prac tical communication distance when usi ng a f ib er optic cable?” . The answer isn’t straightfor ward, but must be calculated as follows: • First the "Optical Power[...]

QUICKSTA RT GUIDE MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE 27 Several styles of connector are used to terminate the attached t o the end of the f iber cable. The ST and SC connector s shown below , are among the more popular . Ensur es that the UR CPU, switch, and cable have compatible connector s. FIGURE 14: Common Fi ber Opt[...]

28 MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE QUICKSTART GUIDE The Hypert erminal util ity applicati on is a convenient standard f irmware tool that will be used to conf igure the switch. This program is found on most windows based operating systems under programs > accessories > communications > Hyper terminal. Z Once [...]

QUICKSTA RT GUIDE MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE 29 Z Select an icon and name to use for saving the new Hypert erminal conf iguration. Z Select the computer ’s serial port that is connect ed to the Multil ink switch. Z Select OK . Z In the next window set the baud rate to 38400 , data bits to 8 , no parity , one st[...]

30 MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE QUICKSTART GUIDE Z Left mouse click on the OK icon to attem pt com mun icati on to t he Multilink sw itch.[...]

QUICKSTA RT GUIDE MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE 31 Z Press the Enter key until the message Hit <Enter> t o log into Unit system is d isplayed. Z Press the Enter key one mor e time to get the login prompt . Z Enter the login name manager and the defa ult password manager . Once you are successf ully logged in, [...]

32 MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE QUICKSTART GUIDE In this example the switch that th e computer is connect ed to is a Multilin k ML1600 . The instruction manual for the MultiLink provides a l ist of all instructions. A vali d IP address and subnet mask can be programmed into the switch using the IP conf ig command a[...]

QUICKSTA RT GUIDE MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE 33 Z Select the Enter ke y. The switch will ask if you would like to reboot the switch. Z Select Y for yes and Y again to save the new settings. Z Once the switch has completed a reboot , the new IP and subnet mask will be in effect . Once the switch has rebooted you w[...]

34 MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE QUICKSTART GUIDE In order to conf igure the switch using the web -based inter face the comput er must be assigned an IP address and subnet mask . If you are already familiar with t his procedure you may skip this step. Z Obtain an IP address, subnet mask, and possibly a gat eway addr[...]

QUICKSTA RT GUIDE MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE 35 Z Right mouse click on the Local Area Connections icon and select Properties . Z Locate and cl ick on the Ethernet card (it will have TCPIP Protocol as part of its name). The Ethernet card is typically r eferred to as an Ethernet adaptor .[...]

36 MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE QUICKSTART GUIDE Z Select Use the following IP address then ent er a unique IP ad dress (from 3.94.247.001 to 3.94. 247.254 if using our test network addr ess range). Z Enter the subnet mask which, if using our t est network , will be 255.255.252.0. Z Select OK , then OK again to exi[...]

QUICKSTA RT GUIDE MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE 37 Z Select Run then enter CMD t o start the DOS shell. Once the DOS shell has launched, you will be presented with a DOS window . Z At the DOS prompt ente r the command ipconf ig followed by th e Enter key. This is the command that will cause the Ethernet adaptor to i[...]

38 MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE QUICKSTART GUIDE Z Next launch Internet Explorer and enter the IP address of the switch to go to the sw itch’s web page. Z At the Multilink logi n web page, enter the default Login name, which is manager . Z Enter the default login Password, which is again manager . Z Left mouse cl[...]

QUICKSTA RT GUIDE MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE 39 8.3 Conf iguring the switch por ts for UR redundant operation The universal relay offers a redundant port option once the l ink loss aler t feature is enabled on the associat ed port , the relay will be able to det ect a failure of the l ink, alarm, and switch to th[...]

40 MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE QUICKSTART GUIDE Z Select the Edit icon for port number one which has the name A1 . Z Ensure that the LINK LO SS AL TER featur e is enab led on port A1. Z To sav e the change (if made) cl ick on the Save icon. Z Repeat this procedure for the f iber optic port on the second switch.. E[...]

QUICKSTA RT GUIDE MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE 41 To test the operation of the redundancy proceed as follows: Z Establish communication t o one of the relays. Z Disconnect the normal por t’s transmit or receive f iber . Z Note that communicat ions to the relay ar en’t d isrupt ed, and check that Ethernet port d[...]

42 MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE QUICKSTART GUIDE 9 T agged VL ANs & Ring Only Mode VLAN is shor t for "V irtual LAN." A VL AN creates separat e network segments that can span multiple Multil ink switches. A VL AN is a group of ports designat ed by the switch as belonging to the same broadcast domai n.[...]

QUICKSTA RT GUIDE MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE 43 9.1.1 Conf iguring a VLAN within the switch Z First det ermine which physical ports are to be part of the tag ged based VLAN. Z Take note the names of the associated por ts d isplayed on the Multilink home page. In our example we want the ports named C5 and C7 t o b[...]

44 MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE QUICKSTART GUIDE Z Note these por t numbers. Z Now open the VLANs menu and sel ect the Ty pe menu. Z In this menu set the VLAN type t o tag . Z Select the Save icon. We have now conf igured the switch to suppor t tagged based VL ANs. We can now proceed to the tagged based VL AN menu [...]

QUICKSTA RT GUIDE MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE 45 Z To cr eat e a new tag bas ed VLAN t o which to ass ign ports 21 and 23, fi r s t c li c k o n t h e Add pushbutton. A screen will open that will allow you to conf igure a new tag based VL AN. Z Within this screen enter the new VL AN ID number (or tag) and the name[...]

46 MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE QUICKSTART GUIDE Y ou will notice below , that the st atus of the VL AN named GOOSE2 is d isplayed as Pending . To activ ate VL AN 2 proceed as follows. Z Select Status . Z Once in the Status menu, set the VLAN ID to 2 and the VL AN status to start .[...]

QUICKSTA RT GUIDE MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE 47 Z Select OK to sta rt VLAN 2. Y ou will notice that VL AN 2 is now active, a nd ports 21 and 23 are part of this VL AN. Por ts 21 and 23 have been re moved from the default tagged based VLAN1. Y ou can add ports 21 and 23 back int o the default tagged based VL AN 1 [...]

48 MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE QUICKSTART GUIDE Z Add ports 21 and 23 t o tagged based VL AN 1 by checking the corresponding boxes. Z Select the save icon at the top of the screen. Z Select OK to return to the main tag VL AN menu. Note that por ts 21 and 23 are now part of both VLAN1 and VLAN 2. Y ou have now comp[...]

QUICKSTA RT GUIDE MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE 49 9.2 Conf iguring the Multilin k switch for Ring Only Mode This feature can be only be used when the switches are connected t o form a single ring topology which mean s that only two ports per switch are used to form the ring and all other ports will not be par t of [...]

50 MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE QUICKSTART GUIDE From this scr een we can see that the port named C5 is actually por t 21. Z Note this por t number . Z from the Administration menu open the Set menu. Z Open the STP type setting. Z Set STP to Rapid Spanning Tree ( RSTP ).[...]

QUICKSTA RT GUIDE MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE 51 Z Save the setting. . Z From the conf iguration menu open the RS TP menu. Z Select Bridge RSTP . Note that the protocol is still set to normal RSTP . Z Select the Edit icon.[...]

52 MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE QUICKSTART GUIDE Z Once in Edit mode, change the Statu s to Enabled Z Once these settings have been completed Save the conf iguration. ENABLE ST A TUS ... ... THEN SA VE[...]

QUICKSTA RT GUIDE MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE 53 Z Once saved, select OK , then OK again t o exit .[...]

54 MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE QUICKSTART GUIDE Z Select the Conf iguration > RSTP > RO Mode menu as shown above. Z Click the Edit butt on to conf igure RO Mode. Z Select the desired ports that are part of the ring, as shown below . Z Click OK to exi t . Only 2 ports can be select ed to Ring Only Mode.[...]

QUICKSTA RT GUIDE MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE 55 Z Select the Enabled option for the Status setting as shown below . Z Change status to Enable . Z Save the conf iguration by cl icking on the icon. For proper r ecovery, disable the Link Loss Alert function on the port named C5 (port21) as follows: Z From the main p[...]

56 MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE QUICKSTART GUIDE Z Save the settings. Z Repeat this procedur e for the other por t on this and the r est of the switches that form the ring. Z Once this procedure has been completed for all por ts forming the ring, connect the conf igured ports into the ring topology as shown below .[...]

QUICKSTA RT GUIDE MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE 57 10 Multilink Firmwar e Updat es 10.1 Updating MultiLink Firmware This section describesthe process for upgradin g the f irmware on a GE Multilink Ethernet switch. The methods describe updating the Multilink f irmware either locally using the console port or remotely[...]

58 MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE QUICKSTART GUIDE It is recommended that you save the current switch conf iguration before upgrading the fi r m w a r e . Z Enter the xmo dem command as shown below: Z Click on the Tr an s fe r menu item and choose the Receive File option. Z Enter the path t o the folder in which the [...]

QUICKSTA RT GUIDE MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE 59 Z Verify that the conf iguration f ile has been created and stored correctly. This completes the Save (original) Conf iguration procedur e. The following procedure describe s how to upgrade the f irmware: Z Use the xmodem command: ML800/1200/1600/2400# Xmodem get ty[...]

60 MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE QUICKSTART GUIDE Z Click on the Send button. The f ile wil l start to load as shown below . Z Once the f ile transfer is complet e, reboot the switch using the Rebo ot comm and, or by switching the power off then on. ML800/1200/1600/2400# reboot Proceed on rebooting the switch? [Y or[...]

QUICKSTA RT GUIDE MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE 61 Z Select the Transfer menu item and choose the Send File option. Z Enter the location of the conf iguration f ile and select Xmodem for the protocol. Z Click on the Se nd button. The f ile will star t to load as shown below: Z Once the transfer is complete, the swit[...]

62 MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE QUICKSTART GUIDE 10.4 Updating Using the EnerVista Web Inter face Software Use the following steps t o install the EnerVista Secure Web Management software. Z Download the latest Mult iLink f irmware fr om the GE Multil in web site to a convenient locat ion on your hard drive. Z Ensu[...]

QUICKSTA RT GUIDE MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE 63 As the f ile is being load ed, you will see the f ile transfer in progress window . Z Once the transfer is complete, the switch needs t o be restarted. After reboot , the new version of the Multilink f irmware is r eady for use . 10.4.2 Using TFTP It is always a goo[...]

64 MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE QUICKSTART GUIDE As the f ile is being load ed, you will see the f ile transfer in progress window .[...]

QUICKSTA RT GUIDE MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE 65 Z Reboot the switch when the transfer is complet e. After reboot , the new version of the Multilink f irmware is r eady for use .[...]

66 MULTILINK ETHERNET COMMUNICATIONS SWITCH – QUICKST ART GUIDE QUICKSTART GUIDE[...]