NetComm NP2160 User's Manual
Contents
1. warranty is granted on the following conditions This warranty extends to the original purchaser you and is not transferable 2 This warranty shall not apply to software programs batteries power supplies cables or other accessories supplied in or with the product 3 customer complies with all of the terms of any relevant agreement with NetComm and any other reasonable requirements of NetComm including producing such evidence of purchase as NetComm may require 4 The cost of transporting product to and from NetComm s nominated premises is your responsibility and 5 does not have any liability or responsibility under this warranty where any cost loss injury or damage of any kind whether direct indirect consequential incidental or otherwise arises out of events beyond NetComm s reasonable control This includes but is not limited to acts of God war riot embargoes acts of civil or military authorities fire floods electricity outages lightning power surges or shortages of materials or labour The warranty is automatically voided if 1 You or someone else uses the product or attempts to use it other than as specified by NetComm 2 The fault or defect in your product is the result of a voltage surge subjected to the modem either by power supply or communication line whether caused by thunderstorm activity or any other cause s 3 The fault is the result of accident2. 31215 1104 91 YUMSOld OOTZAN sdg 00 i F 531439 ILVHOdHOD F Miia Contents ABOUT THIS GUIDE 3 eee eg 3 POEMS SAG 3 Overview of this User s Guide INTRODUCTION Fast Ethernet Technology Switching Technology UNPACKING AND 2 000000000000000000000000000000 00 6 6 instalation 6 Rack Mounting an IDENTIFYING EXTERNAL COMPONENTS USING THE PROSWITCH 9 Desktop Switching 02244401100000 0 9 Segment Switching Extending a Network TROUBLE SHOOTING 12 Network Adapter Cards 12 Configuration 12 CONNECTOR PINASSIGNMENTS 13 45 Plug wA CABLING GUIDELINES 14 Fast Ethernet Cable Guidelines 14 Cable Lengths 2 14 Cable Specifications
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4. one on each side and secure them with the provided screws www netcomm com au 1 YML623 Page 6 16 port 10 100Mbps Fast Ethernet ProSwitch Then use screws provided with the equipment rack to mount each switch in the rack Rev 1 YML623 www netcomm com au 16 port 10 100Mbps Fast Ethernet ProSwitch Page 7 IDENTIFYING EXTERNAL COMPONENTS This section identifies all the major external components of the switch Front Panel The figure below shows the front panels of the 16 port 10 100Mbps Fast Ethernet ProSwitch LED Indicator Panel Refer to the detailed information about each of the switch s LED indicators 14 101 10 Bes Ethernet Power PWR This indicator lights green when the switch is receiving power otherwise it is off Link Activity green This indicator light green when the port is connected to a Fast Ethernet or Ethernet station if the indicator blinking green will be transmission or received data 100Mbps green This LED indicator light green when the port is connected to a 100Mbps Fast Ethernet station Otherwise the LED is off when the port is connected to 10Mbps Ethernet station Twisted Pair Ports These ports supports automatic MDI MDIX crossover detection function which gives true plug and play capability without the need of confusing crossover cables or crossover ports With the Auto MDI function you just need to
5. 14 Twisted Pair Cables 215 TECHNICAL SPECIFICATION 16 16 Physical and Environmental 16 Performance 16 REGISTERING YOUR PRODUCT well Contact Information 2 17 WARRANTY 18 Limitations 18 www netcomm com au 1 YML623 Page 2 16 port 10 100Mbps Fast Ethernet ProSwitch ABOUT THIS GUIDE Congratulations on your purchase of the NetComm 16 port 10 100Mbps Fast Ethernet ProSwitch This device integrates 100Mbps Fast Ethernet and 10Mbps Ethernet network capabilities in a highly flexible package Purpose This guide discusses how to install your NetComm 16 port 10 100Mbps Fast Ethernet ProSwitch Terms Usage In this guide the term ProSwitch or Switch first letter upper case refers to your NetComm16 port 10 100Mbps Fast Ethernet ProSwitch and switch first letter lower case refers to other Ethernet switches Overview of this User s Guide Introduction Describes the Switch and its features Unpacking and Installation Helps you get started with the basic installation of the Switch Identifying External Components Describes the front panel rear panel and LED indicators of the Switch Using the ProSwitch Describes the different applications of the NetComm16 port 10 100Mbps Fast Ethernet ProSwitch Trouble Shoot
6. plug in a network cable to the switch and the other end of the cable into a NIC Network Interface Card or another switch or hub Rear Panel The rear panel of the ProSwitch has an AC Power Connector socket www netcomm com au Rev 1 YML623 Page 8 16 port 10 100Mbps Fast Ethernet ProSwitch USING THE PROSWITCH The NetComm16 port 10 100Mbps Fast Ethernet ProSwitch can be used to split parts of the network into different collision domains making it possible to expand your Fast Ethernet network beyond the 205 meter network diameter limit for 1OOBASE TX networks Switches supporting both traditional 10 5 Ethernet and 100Mbps Fast Ethernet are also ideal for bridging between the existing 10Mbps networks and the new 100Mbps networks Desktop Switching The 16 Port ProSwitch can be used as a desktop switch to build a small network that enables users to have 100 Mbps access to a file server 100 Mbps 10 Mbps Key 1 Server with 100 Mbps connection 2 NetComm 16 Port ProSwitch 3 PCs with 100 Mbps Ethernet adapter cards installed 4 PC with 10 Mbps connection Note If a full duplex adapter card is installed in the server or PC a 200 Mbps connection is possible on the port where the server or PC is connected Rev 1 YML623 www netcomm com au 16 port 10 100Mbps Fast Ethernet ProSwitch Page 9 Segment Switching The 16 Port ProSwitch can segment a network into multiple connected pieces increasing overal
7. aditional 10Mbps Ethernet and 100Mbps Fast Ethernet are also ideal for bridging between the existing 10 networks and the new 100Mbps networks www netcomm com au Rev 1 YML623 Page 4 16 port 10 100Mbps Fast Ethernet ProSwitch Switching LAN technology is marked improvement over the previous generation of network bridges which were characterized by higher latencies Routers have also been used to segment local area networks but the cost of a router the setup and maintenance required make routers relatively impractical Today switches are an ideal solution to most kinds of local area network congestion problems Features The ProSwitch is designed for easy installation and high performance in an environment where traffic on the network and the number of user increase continuously The ProSwitch with its rack size is specifically designed for middle to large workgroups The Switch provides immediate access to a rapidly growing network through a wide range of user reliable functions The ProSwitch is ideal for deployment with multiple high speed servers for shared bandwidth 10Mbps or 100Mbps workgroups With the highest bandwidth 200Mbps 100Mbps full duplex mode any port can provide workstations with a congestion free data pipe for simultaneous access to the server The ProSwitch is expandable by cascading two or more switches together As all ports support 200Mbps the Switch can be cascaded from any port and to any number o
8. al damage or damage in transit including but not limited to liquid spillage 4 Your modem has been used for any other purposes than that for which it is sold or in any way other than in strict accordance with the user manual supplied 5 Your modem has been repaired or modified or attempted to be repaired or modified other than by a qualified person at a service centre authorised by NetComm and 6 The serial number has been defaced or altered in any way or if the serial number plate has been removed Limitations of Warranty The Trade Practices Act 1974 and corresponding State and Territory Fair Trading Acts or legalisation of another Government the relevant acts in certain circumstances imply mandatory conditions and warranties which cannot be excluded This warranty is in addition to and not in replacement for such conditions and warranties To the extent permitted by the Relevant Acts in relation to your product and any other materials provided with the product the Goods the liability of NetComm under the Relevant Acts is limited to at the option of NetComm to Replacement of the Goods or Repair of the Goods or Payment of the cost of replacing the Goods or Payment of the cost of having the Goods repaired www netcomm com au Rev 1 YML623 Page 18 16 port 10 100Mbps Fast Ethernet ProSwitch All NetComm ACN 002 490 486 products standard 12 months warranty from of purchase However so
9. ance Transmits Method RAM Buffer Filtering Address Table Packet Filtering Forwarding Rate MAC Address Learning www netcomm com au Page 16 100 to 240 VAC 50 or 60 Hz internal universal power supply 6 watts max Operating 0 40 Storage 10 70 Operating 10 90 Storage 5 90 440 x 140 x 44 mm W x Hx D C Tick FCC Class A CE Mark Class A VCCI Class A CUL CB Store and forward 512KBytes per device 8K entries per device 10Mbps Ethernet 14 880 pps100Mbps Fast Ethernet 148 800 pps Automatic update Rev 1 YML623 16 port 10 100Mbps Fast Ethernet ProSwitch REGISTERING YOUR PRODUCT To ensure that the conditions of your warranty are complied with please go to the NetComm web site for quick and easy registration of your product at www netcomm com au Alternatively you can print out a copy of the Warranty Registration Form and mail it to NetComm Limited PO Box 1200 Lane Cove NSW 2066 Note The Warranty Registration Form can be found at D Manuals Warranty Registration Form pdf where D is the letter of your CD ROM drive Contact Information If you have any technical difficulties with the device please do not hesitate to contact NetComm s Customer Support Department Email support netcomm com au Fax 02 9424 2010 Web www netcomm com au Rev 1 YML623 www netcomm com au 16 port 10 100Mbps Fast Ethernet ProSwitch Page 17
10. and carefully unpacks its contents The carton should contain the following items One NetComm16 port 10 100Mbps Fast Ethernet ProSwitch One AC power cord suitable for your area s electrical power connections Four rubber feet to be used for shock cushioning Screws and two mounting brackets This Guide If any item is found missing or damaged please contact your local reseller for replacement Installation The site where you install the Switch stack may greatly affect its performance When installing consider the following pointers Install the Switch in a fairly cool and dry place See Specifications for the acceptable temperature and humidity operating ranges Install the Switch in a site free from strong electromagnetic field generators such as motors vibration dust and direct exposure to sunlight Leave at least 10cm of space at the front and rear of the hub for ventilation Install the Switch on a sturdy level surface that can support its weight or in an EIA standard size equipment rack For information on rack installation see the next section Rack Mounting When installing the Switch on a level surface attach the rubber feet to the bottom of each device The rubber feet cushion the hub and protect the hub case from scratching Rack Mounting The switch can be mounted in standard size 19 inch rack which can be placed ina wiring closet with other equipment Attach the mounting brackets at the switch s front panel
11. and the connected device Check for a defective adapter card cable or port by testing them in an alternate environment where all products are functioning Make sure all cables used are correct and comply with Ethernet specifications Check the crimp on the RJ 45 connectors and make sure that the plug is properly inserted and locked into the port at both the switch and the connecting device Make sure all cables used are correct and comply with Ethernet specifications Verify that the cabling is correct refer to Cabling Guidelines Be sure all cable connectors are securely positioned in the required ports Straight through cables should be used for all standard twisted pair connections Make sure all devices are connected to the network Equipment may have been accidentally disconnected Make sure the network adapter cards installed in the PCs are in working condition and the software driver has been installed Configuration If problems occur after altering the network configuration restore the original connections and determine the problem by implementing the new changes one procedure at a time Make sure that cable distances repeater limits and other physical aspects of the installation do not exceed the Ethernet limitations www netcomm com au Rev 1 YML623 Page 12 16 port 10 100Mbps Fast Ethernet ProSwitch CONNECTOR ASSIGNMENTS This appendix provides information about the RJ 45 plug and
12. es perform to the following specifications e Certification Make sure that your Category 5 UTP cable has completed the Underwriters Laboratories UL or Electronic Testing Laboratories ETL certification process e Termination method To minimize crosstalk noise maintain the twist ratio of the cable up to the point of termination untwist at any RJ 45 plug or patch panel should not exceed 0 5 inch 1 5 cm Cable Lengths Category 5 distributed cable that meets ANSI EIA TIA 568 A building wiring standards can be a maximum of 328 feet 100 meters in length divided as follows 20 feet 6 meters between the hub and the patch panel if used 295 feet 90 meters from the wiring closet to the wall outlet 10 feet 3 meters from the wall outlet to the desktop device The patch panel and other connecting hardware must meet the requirements for 100 Mbps operation Category 5 Only 0 5 inch 1 5 cm of untwist in the wire pair is allowed at any termination point Cable Specifications The following lists he electrical requirements of Category 5 cable Specification Category 5 Cable Number of pairs Four Impedance 100 amp 15 Mutual capacitance at 1 KHz 5 6nF 100 Maximum attenuation at 4 MHz 8 2 dB per 100 m at 20 C at 31 MHz 11 7 at 100 MHz 22 0 NEXT loss dB minimum at 16 MHz 44 at 31 MHz 39 at 100 MHz 32 www netcomm com au Rev 1 YML623 Page 14 16 port 10 100Mbps Fast Ethernet ProSw
13. f switches The ProSwitch is a perfect choice for site planning to upgrade to Fast Ethernet in the future Ethernet workgroups can connect to the Switch now and change adapters and hubs anytime later without needing to change the Switch or reconfigure the network The ProSwitch combine dynamic memory allocation with store and forward switching to ensure that the buffer is effectively allocated for each port while controlling the data flow between the transmit and receive nodes to guarantee against all possible packet loss The ProSwitch is an unmanaged 10 100 Fast Ethernet Switch that offers solutions in accelerating small Ethernet workgroup bandwidth Other key features are 16 port 10 100BASE EthernetProSwitch with RJ 45 connectors Support Auto negotiation for speed and duplex modes for each port Supports Auto MDI MDI X for each port Wire speed reception and transmission Store and Forward switching method Integrated address Look Up Engine supports 8K absolute MAC addresses Supports 512Kbytes RAM for data buffering Front panel diagnostic LEDs Broadcast storm protection IEEE 802 3x flow control for full duplex Back pressure flow control for half duplex Standard 19 Rack mountable size Rev 1 YML623 www netcomm com au 16 port 10 100Mbps Fast Ethernet ProSwitch Page 5 UNPACKING AND INSTALLATION This chapter provides unpacking and setup information for the Switch Unpacking Open the shipping cartons of the Switch
14. ing Provided to assist you in the event that you experience difficulties Cabling Guidelines Gives the guidelines for the different cables used when building a network Technical Specifications Lists the technical general physical and environmental and performance specifications of the Switch Rev 1 YML623 www netcomm com au 16 port 10 100Mbps Fast Ethernet ProSwitch Page 3 INTRODUCTION This chapter describes the features of the Switch and some background information about Ethernet Fast Ethernet switching technology Fast Ethernet Technology The growing importance of LANs and the increasing complexity of desktop computing applications are fueling the need for high performance networks A number of high speed LAN technologies have been proposed to provide greater bandwidth and improve client server response times Among them 100BASE T Fast Ethernet provides a non disruptive smooth evolution from the current technology The non disruptive and smooth evolution nature and the dominating potential market base virtually guarantee cost effective and high performance Fast Ethernet solutions in the years to come 100Mbps Fast Ethernet is a new standard specified by the IEEE 802 3 LAN committee It is an extension of the 10Mbps Ethernet standard with the ability to transmit and receive data at 100Mbps while maintaining the CSMA CD Ethernet protocol Since the 100Mbps Fast Ethernet is compatible with al
15. itch Twisted Pair Cables For two devices to communicate the transmitter of each device must be connected to the receiver of the other device The crossover function is usually implemented internally as part of the circuitry in the device Computers and workstation adapter cards are usually media dependent interface ports called MDI or uplink ports Most repeaters and switch ports are configured as media dependent interfaces with built in crossover ports called MDI X or normal ports Key Uplink or MDI port as on PC B Normal or MDI X port as on a hub or switch 1 2 3 6 Pin numbers The following diagram illustrates crossover twisted pair cable Key B Normal or MDI X port as on a hub or switch 1 2 3 6 Pin numbers Rev 1 YML623 www netcomm com au 16 port 10 100Mbps Fast Ethernet ProSwitch Page 15 TECHNICAL SPECIFICATION General Standards Protocol Data Transfer Rate Topology Network Cables Number of Ports IEEE 802 3 10BASE T Ethernet IEEE 802 3u 100BASE TX Fast Ethernet CSMA CD Ethernet 10Mbps half duplex 20Mbps full duplex Fast Ethernet 100Mbps half duplex 200Mbps full duplex Star 10BASET 2 pair UTP Cat 3 4 5 EIA TIA 568 100 ohm STP100BASE TX 2 pair UTP Cat 5 EIA TIA 568 100 ohm STP 16 x 10 100Mbps Auto MDI ports Physical and Environmental AC inputs Power Consumption Temperature Humidity Dimensions EMI Safety Perform
16. l bandwidth and throughput The following diagram illustrates the NetComm 16 Port ProSwitch segmenting networks that are built with the NetComm Swtich 1 NetComm16 port 10 100Mbps Fast Ethernet ProSwitch 2 100 Mbps connection 3 NetComm Switch 4 NetComm Switch 5 Servers with 100 Mbps connection 6 PCs with network adapter installed enabling 100 Mbps Connection www netcomm com au Rev 1 YML623 Page 10 16 port 10 100Mbps Fast Ethernet ProSwitch Extending a Network Ethernet specifications limit the length of cable between hubs and PCs to 100 meters for a total diameter of 200 meters By adding Fast Ethernet switches between hubs the network is expanded by 200 Mbps with the addition of each switch The follow diagram illustrates a network of NetComm Switch T 1 NetComm16 port 10 100Mbps Fast Ethernet ProSwitch 2 100 Mbps connection 3 NetComm Fast Ethernet Switch 4 PCs with 100 Mbps connection Rev 1 YML623 www netcomm com au 16 port 10 100Mbps Fast Ethernet ProSwitch Page 11 TROUBLE SHOOTING Symptom Cause Power LED is off Power not received at Switch Link LED is off or Port connection is not intermittent functioning A segment or device One or more devices are is not recognized not properly connected or as part of the cabling does not meet network Ethernet guidelines Network Adapter Cards Solution Check the power cord connections for the switch
17. l other 1OMbps Ethernet environments it provides straightforward upgrade and takes advantage of the existing investment in hardware software and personnel training Switching Technology Another approach to pushing beyond the limits of Ethernet technology is the development of switching technology A switch bridge Ethernet packets at the MAC address level of the Ethernet protocol transmitting among connected Ethernet or Fast Ethernet LAN segments Switching is a cost effective way of increasing the total network capacity available to users on a local area network A switch increases capacity and decreases network loading by dividing a local area network into different segments which don t compete with each other for network transmission capacity The switch acts as a high speed selective bridge between the individual segments The switch without interfering with any other segments automatically forwards traffic that needs to go from one segment to another By doing this the total network capacity is multiplied while still maintaining the same network cabling and adapter cards For Fast Ethernet networks a switch is an effective way of eliminating problems of chaining hubs beyond the two repeater limit A switch can be used to split parts of the network into different collision domains making it possible to expand your Fast Ethernet network beyond the 205 meter network diameter limit for 1OOBASE TX networks Switches supporting both tr
18. me products have an extended warranty option refer to packaging To be eligible for the extended warranty you must supply the requested warranty information to NetComm within 30 days of the original purchase by registering on line via the NetComm web site at www netcomm com au NetComm reserves the right to request proof of purchase upon any warranty claim Rev 1 YML623 www netcomm com au 16 port 10 100Mbps Fast Ethernet ProSwitch Page 19 1 1 s T 11 1 1 1 Dr 4 j Ad Sa 1 ALNWS LOE pa pig 5 104 apad
19. the vista RJ 45 connector used for the 16 Port Fast Ethernet ProSwitch RJ 45 Plug In a Fast Ethernet network it is important that all 100 5 certified Category 5 cabling use RJ 45 plugs The RJ 45 plug accepts 4 pair unshielded twisted pair UTP or shielded twisted pair STP 100 ohm cable and connects into the vista RJ 45 connector The RJ 45 plug connector is illustrated below 1 to 8 Pin numbers The follow table lists the pin assignments for the RJ 45 plug and the vista RJ 45 connector Pin Assignments PIN Normal Assignment on Ports 1 to 16 1 Input Receive Data 2 Input Receive Data 3 Output Transmit Data 6 Output Transmit Data 4 5 7 8 Internal termination not used for data transmission Rev 1 YML623 www netcomm com au 16 port 10 100Mbps Fast Ethernet ProSwitch Page 13 CABLING GUIDELINES Fast Ethernet Cable Guidelines Fast Ethernet uses UTP cable as specified in the IEEE 802 3u standard for 100 The specification requires Category 5 UTP cable consisting of either 2 pair or 4 pair twisted insulated copper conductors bound in a single plastic sheath Category 5 cable is certified up to 100 MHz bandwidth 100 operation uses one pair of wires for transmission and the other pair for receiving and for collision detection When installing Category 5 UTP cabling use the following guidelines to ensure that your cabl
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