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TM
M ELSA MicroLink Cable
Manual
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© 1999 ELSA AG, Aachen (Germany) While the information in this manual has been compiled with great care, it may not be deemed an assurance of product characteristics. ELSA shall be liable only to the degree specified in the terms of sale and delivery. The reproduction and distribution of the documentation and software supplied with this product and the use of its contents is subject to written authorization from ELSA. We reserve the right to make any alterations that arise as the result of techn
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Preface Thank you for placing your trust in this ELSA product. With the ELSA MicroLink Cable, you have chosen a modem that will open the door to the Internet for you with unparalleled speeds and remain online permanently. The highest quality standards in manufacturing and stringent quality control are the basis for high product standards and consistent product quality. This documentation contains the following chapters: K Introducing the ELSA MicroLink Cable K Installation and configuration K Co
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Content V Content Introducing the ELSA MicroLink Cable .....................................................................1 The ELSA MicroLink Cable takes the stage............................................................ 1 What does the unit look like?............................................................................ 1 Node or hub?...................................................................................................... 3 The highlights of the ELSA MicroLink Cable ...
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VI Content Security for your LAN............................................................................................ 30 Encryption ........................................................................................................ 31 TCP/IP packet filters ........................................................................................ 31 The hiding place—IP masquerading (NAT, PAT) ............................................ 31 IP routing.....................................
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Content VII Status/IP-router-statistics ............................................................................... 83 Status/config statistics.................................................................................... 85 Status/Queue-statistics................................................................................... 85 Status/MCNS-statistics................................................................................... 87 Status/Init-status............................
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VIII Content ELSA Cable Modem English
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Introducing the ELSA MicroLink Cable 1 Introducing the ELSA MicroLink Cable Internet access is the main application for the ELSA MicroLink Cable. The operator of the cable network to which you have connected your modem may offer additional services or regional information. This chapter describes the display elements and connections of the modem, accessing the Internet, and the characteristics and techniques that ensure fast, secure data exchange. The precise use of the ELSA MicroLink Cable's fe
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2 Introducing the ELSA MicroLink Cable ON This LED flashes once when the power supply is switched on. After the self-test, either an error is output by a flashing light code or the device starts and the LED remains lit. Off Unit switched off, power supply plugged in red 1 x short Boot procedure (test and load) started red flashing Display of a boot error (flashing light code) red Device ready for use Standby This LED shows that the unit is in stand-by mode. The ELSA MicroLink Cable is registe
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Introducing the ELSA MicroLink Cable 3 LAN-Tx, -Rx, These LEDs show the corresponding network controller status: LAN-Coll, -Link LAN -tx yellow Data packet sent from the device to the LAN LAN-Rx green Data packet received from the LAN LAN coll red Sending collision LAN-Link green Connection to LAN is established and ready Now turn the whole thing around and take a look at the rear. Beginning again on the left- hand side, you have: ABCDE FG 1 Connector for the cable TV network (CATV) 2 Reset swi
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4 Introducing the ELSA MicroLink Cable Node or hub? Please check the position of the Node/Hub switch when connecting the unit to the LAN: K As the factory default, the switch is set to 'Node'. In this setting, the device acts as a node on a network. It can, in this case, only be connected to a hub, not directly to the network card of a computer. K Set the switch to 'Hub' if you do not wish to connect the device to a hub but directly to a workstation. In this setting the lines for sending and
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Introducing the ELSA MicroLink Cable 5 Backbone Backbone: The simple transfer rate between the network operator and participant does not by itself direct determine the speed at which the Internet can be accessed. The network operator must connection to also forward data destined for the Internet to a backbone. The dimensioning of this the Internet connection ultimately determines the speed at which you can surf. The backbone can become a bottleneck if a large number of participants want to
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6 Introducing the ELSA MicroLink Cable Network operators can take advantage of this structure to provide regional content in addition to the Internet. This can be accomplished by setting up Web servers that do not need to be accessible from the Internet. These can then be used for special information services for network participants, such as the programs of local cinemas, regional news, information for clubs and special-interest groups, and so on—essentially, everything that is of interest to
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Introducing the ELSA MicroLink Cable 7 CE conformity and FCC radiation standard CE This equipment has been tested and found to comply with the limits of the European Council Directive on the approximation of the laws of the member states relating to electromagnetic compatibility (89/336/EEC) according to EN 55022 class B and EN55024. FCC This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the Federal Communications Commission (FC
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8 Introducing the ELSA MicroLink Cable ELSA MicroLink Cable
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Installation and configuration 9 Installation and configuration The aim of this chapter is to get you online as quickly as possible. First please check that the contents of the package are complete: K ELSA MicroLink Cable K Power supply K Twisted-pair LAN connector cable K WAN connector cable (coaxial) or corresponding adapter K Documentation K CD containing ELSA LANconfig and electronic documentation Computers to be connected to the Internet using this device must fulfill the following require
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10 Installation and configuration First Steps Give it some power 1 First, give your device the power it needs through the power supply unit! Onto the net 2 Connect the unit to your local network using the twisted pair cable. Please check the position of the node/hub switch: 'Node' is the correct position when connecting the unit to a network. Switch to 'Hub' when connecting the unit directly to a workstation. The wire to the world 3 Connect the ELSA MicroLink Cable to the TV cable network usi
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Installation and configuration 11 Quick Start: Quick configurations We're sure that after you've installed the hardware and software, you'll want to get going quickly without bothering with technical details. In the following sections, we'll show you how to set up your ELSA MicroLink Cable quickly for the most common applications—without bothering with the whys and wherefores. After the preparations that you should check in any case, we will introduce the configuration of the unit as a bridge a
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12 Installation and configuration Internet Computer workstation in LAN IP address assignment MCNS/ DOCSIS Server with Headend Cable TV net- ELSA MicroLink Cable DHCP work as bridge In this example, only one computer is connected to the Internet via the ELSA MicroLink Cable. In principle however, several computers can be connected to the ELSA MicroLink Cable, using a hub for example, if the network operator permits. a Start up ELSA LANconfig by clicking Start E Programs E ELSAlan E ELSA LANco
