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Connectivity Rules

4-7

4

100 Mbps Fast Ethernet Collision Domain

10 Mbps Ethernet Collision Domain

Table 4-5 Maximum Fast Ethernet Cable Length

Type

Cable Type

Maximum Cable Length

Connector

100BASE-TX

Category 5 or better 100-ohm

UTP or STP

100 m (328 ft)

RJ-45

Table 4-6 Maximum Ethernet Cable Length

Type

Cable Type

Maximum Length

Connector

10BASE-T

Categories 3, 4, 5 or better

100-ohm UTP

100 m (328 ft)

RJ-45

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41
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45
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Summary of Contents for LNGS8MP

Page 1: ...LG Nortel ELO GS8MP LNGS8MP Gigabit Ethernet Switch Installation Guide ...

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Page 3: ...Installation Guide Web Smart PoE Switch Layer 2 Workgroup Switch with 7 10 100 1000BASE T RJ 45 Ports and 1 Gigabit Combination RJ 45 SFP Port ...

Page 4: ...LNGS8MP January 2008 150000052200A Issue 1 0 ...

Page 5: ...NSTALLATION OR TESTING UNAUTHORIZED ATTEMPTS TO REPAIR OR ANY OTHER CAUSE BEYOND THE RANGE OF THE INTENDED USE OR BY ACCIDENT FIRE LIGHTNING OR OTHER HAZARD LIMITATION OF LIABILITY IN NO EVENT WHETHER BASED IN CONTRACT OR TORT INCLUDING NEGLIGENCE SHALL LG NORTEL BE LIABLE FOR INCIDENTAL CONSEQUENTIAL INDIRECT SPECIAL OR PUNITIVE DAMAGES OF ANY KIND OR FOR LOSS OF REVENUE LOSS OF BUSINESS OR OTHER...

Page 6: ......

Page 7: ...nterference to radio communications 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 You are cautioned that changes or modifications not expressly approved by the party responsible for compliance could void your authority to operate the equipment You may use unshielded tw...

Page 8: ...atic Discharge according to EN 61000 4 2 1995 Contact Discharge 4 kV Air Discharge 8 kV Radio frequency electromagnetic field according to EN 61000 4 3 1996 80 1000 MHz with 1 kHz AM 80 Modulation 3 V m Electrical fast transient burst according to EN 61000 4 4 1995 AC DC power supply 1 kV Data Signal lines 0 5 kV Surge immunity test according to EN 61000 4 5 1995 AC DC Line to Line 1 kV AC DC Line...

Page 9: ... by disconnecting the power cord from the outlet This unit operates under SELV Safety Extra Low Voltage conditions according to IEC 60950 The conditions are only maintained if the equipment to which it is connected also operates under SELV conditions France and Peru only This unit cannot be powered from IT supplies If your supplies are of IT type this unit must be powered by 230 V 2P T via an isol...

Page 10: ... cordon électrique au niveau de cette prise L appareil fonctionne à une tension extrêmement basse de sécurité qui est conforme à la norme IEC 60950 Ces conditions ne sont maintenues que si l équipement auquel il est raccordé fonctionne dans les mêmes conditions Power Cord Set U S A and Canada The cord set must be UL approved and CSA certified The minimum specifications for the flexible cord are No...

Page 11: ...räts kann nur durch Herausziehen des Gerätenetzkabels aus der Netzsteckdose unterbrochen werden Der Betrieb dieses Geräts erfolgt unter den SELV Bedingungen Sicherheitskleinstspannung gemäß IEC 60950 Diese Bedingungen sind nur gegeben wenn auch die an das Gerät angeschlossenen Geräte unter SELV Bedingungen betrieben werden Cordon électrique Il doit être agréé dans le pays d utilisation Etats Unis ...

Page 12: ...ectly at a transmit port when it is powered on Caution Wear an anti static wrist strap or take other suitable measures to prevent electrostatic discharge when handling this equipment Caution Do not plug a phone jack connector in the RJ 45 port This may damage this device Les raccordeurs ne sont pas utilisé pour le système téléphonique Caution Use only twisted pair cables with RJ 45 connectors that...

Page 13: ...no hazardous nor ozone depleting materials in this product Documentation All printed documentation for this product uses biodegradable paper that originates from sustained and managed forests The inks used in the printing process are non toxic Purpose This guide details the hardware features of this switch including Its physical and performance related characteristics and how to install the switch...

Page 14: ...viii ...

Page 15: ...1 5 Performance 1 5 Management 1 5 Chapter 2 Network Planning 2 1 Introduction to Switching 2 1 Application Examples 2 2 Supplying PoE 2 2 Collapsed Backbone 2 2 Meeting Room 2 3 Making VLAN Connections 2 4 Application Notes 2 5 Chapter 3 Installing the Switch 3 1 Selecting a Site 3 1 Ethernet Cabling 3 1 Equipment Checklist 3 2 Package Contents 3 2 Optional Rack Mounting Equipment 3 2 Mounting 3 ...

Page 16: ...in 4 7 10 Mbps Ethernet Collision Domain 4 7 Cable Labeling and Connection Records 4 8 Appendix A Troubleshooting A 1 Diagnosing Switch Indicators A 1 Power and Cooling Problems A 1 Installation A 2 In Band Access A 2 Appendix B Cables B 1 Twisted Pair Cable and Pin Assignments B 1 10BASE T 100BASE TX Pin Assignments B 1 Straight Through Wiring B 2 Crossover Wiring B 2 1000BASE T Pin Assignments B...

Page 17: ...tic Cable Length 4 6 Table 4 3 Maximum 1000BASE LX Fiber Optic Cable Length 4 6 Table 4 4 Maximum 1000BASE LH Fiber Optic Cable Length 4 6 Table 4 5 Maximum Fast Ethernet Cable Length 4 7 Table 4 6 Maximum Ethernet Cable Length 4 7 Table A 1 Troubleshooting Chart A 1 Table B 1 10 100BASE TX MDI X and MDI Port Pinouts B 2 Table B 2 1000BASE T MDI X and MDI Port Pinouts B 3 ...

Page 18: ... Connections 3 2 Figure 3 2 Attaching the Brackets 3 3 Figure 3 3 Installing the Switch in a Rack 3 4 Figure 3 4 Attaching the Adhesive Feet 3 4 Figure 3 5 Inserting an SFP Transceiver into a Slot 3 5 Figure 3 6 Power Socket 3 6 Figure 4 1 Making Twisted Pair Connections 4 2 Figure 4 2 Wiring Closet Connections 4 3 Figure 4 3 Making Connections to SFP Transceivers 4 5 Figure B 1 RJ 45 Connector Pi...

Page 19: ...Mbps ports support the IEEE 802 3af Power over Ethernet PoE standard that enables DC power to be supplied to attached devices over the data wire pairs in the connecting Ethernet cable Figure 1 1 Front Panel Figure 1 2 Rear Panel If an SFP transceiver is plugged in the corresponding RJ 45 port is disabled 1 2 3 4 5 6 7 8 Status 1000BASE T SFP Port 10 100 1000 Mbps RJ 45 Ports Port Status Indicators...

Page 20: ...port can directly draw power from the switch over the Ethernet cable without requiring its own separate power source This capability gives network administrators centralized power control for devices such as IP phones and wireless access points which translates into greater network availability For each attached 802 3af compliant device the switch automatically senses the load and dynamically supp...

Page 21: ... can be selected automatically If a device connected to one of these ports does not support auto negotiation the communication mode of that port can be configured manually SFP Slot The Small Form Factor Pluggable SFP transceiver slot is shared with RJ 45 Port 8 If an SFP transceiver purchased separately is installed in the slot and has a valid link on its port the associated RJ 45 port is disabled...

Page 22: ...ink Activity On Flashing Green Port has a valid 1000Mbps link Flashing indicates network activity On Flashing Amber Port has a valid 10 100Mbps link Flashing indicates network activity Off No link PoE On Amber A PoE device is connected Off No PoE device connected SFP Status On Green SFP transceiver installed correctly Off No SFP present Table 1 2 Power Status LED LED Condition Status Power Green I...

Page 23: ...X pinout selection Unshielded UTP cable supported on all RJ 45 ports Category 3 or better for 10 Mbps connections Category 5 or better for 100 Mbps connections and Category 5 5e 6 or better for 1000 Mbps connections IEEE 802 3 2005 Ethernet Fast Ethernet and Gigabit Ethernet Expandability One Small Form Factor Pluggable SFP transceiver slot shared with Port 8 Supports 1000BASE SX 1000BASE LX and 1...

Page 24: ...Introduction 1 6 1 ...

Page 25: ...vice experiencing congestion server power user or hub can be attached directly to a switched port And by using full duplex mode the bandwidth of the dedicated segment can be doubled to maximize throughput When networks are based on repeater hub technology the distance between end stations is limited by a maximum hop count However a switch turns the hop count back to zero So subdividing the network...

Page 26: ...Collapsed Backbone The switch is an excellent choice for mixed Ethernet Fast Ethernet and Gigabit Ethernet installations where significant growth is expected in the near future In a basic stand alone configuration it can provide direct full duplex connections for up to eight workstations or servers You can easily build on this basic configuration adding direct full duplex connections to workstatio...

Page 27: ...ing closet via a 1000BASE SX connection The 1000BASE T RJ 45 ports on the switch are providing 10 100 Mbps full duplex connections for PCs and notebooks as well as providing power and connectivity for PoE devices such as IP telephones and web cameras Figure 2 3 Meeting Room Servers 1000 Mbps Full Duplex Workstations 100 Mbps Full Duplex Power over Ethernet Devices 10 100 Mbps Full Duplex Network S...

Page 28: ... can be explicitly tagged to identify the VLAN group to which it belongs Untagged VLANs can be used for small networks attached to a single switch However tagged VLANs should be used for larger networks and all the VLANs assigned to the inter switch links Figure 2 4 Making VLAN Connections Note When connecting to a switch that does not support IEEE 802 1Q VLAN tags use untagged ports Finance Marke...

Page 29: ...ons that require routing between dissimilar network types you can attach the switch directly to a multi protocol router 3 As a general rule the length of fiber optic cable for a single switched link should not exceed 1000BASE SX 550 m 1805 ft for multimode fiber 1000BASE LX 5 km 3 1 miles for single mode fiber 1000BASE LH 70 km 43 miles for single mode fiber However power budget constraints must a...

Page 30: ...Network Planning 2 6 2 ...

Page 31: ...ke sure that the unit is connected to a separate grounded power outlet that provides 100 to 240 VAC 50 to 60 Hz is within 2 m 6 6 feet of each device and is powered from an independent circuit breaker As with any equipment using a filter or surge suppressor is recommended Ethernet Cabling To ensure proper operation when installing the switches into a network make sure that the current cables are s...

Page 32: ...screws for attaching the brackets to the switch Power cord either US Continental Europe or UK This Installation Guide Management Guide CD Optional Rack Mounting Equipment If you plan to rack mount the switches be sure to have the following equipment available Four mounting screws for each device you plan to install in a rack these are not included A screwdriver Phillips or flathead depending on th...

Page 33: ...rature range See page C 1 Mechanical Loading Do not place any equipment on top of a rack mounted unit Circuit Overloading Be sure that the supply circuit to the rack assembly is not overloaded Grounding Rack mounted equipment should be properly grounded Particular attention should be given to supply connections other than direct connections to the mains To rack mount devices 1 Attach the brackets ...

Page 34: ... 3 If installing a single switch only turn to Connecting to a Power Source at the end of this chapter 4 If installing multiple switches mount them in the rack one below the other in any order Desktop or Shelf Mounting 1 Attach the four adhesive feet to the bottom of the first switch Figure 3 4 Attaching the Adhesive Feet 1 2 3 4 5 6 7 8 St at us ...

Page 35: ...ptional transceivers 1000BASE SX 1000BASE LX 1000BASE LH To install an SFP transceiver do the following 1 Consider network and cabling requirements to select an appropriate transceiver type Refer to Connectivity Rules on page 4 6 2 Insert the transceiver with the optical connector facing outward and the slot connector facing down Note that SFP transceivers are keyed so they can only be installed i...

Page 36: ...ocket 2 Plug the other end of the cable into a grounded three pin AC power source Note For international use you may need to change the AC line cord You must use a line cord set that has been approved for the socket type in your country 3 Check the front panel LEDs as the device is powered on to be sure the Power LED is on If not check that the power cable is correctly plugged in 100 240V 50 60Hz ...

Page 37: ...to the port This detection mechanism prevents damage to other network equipment that is not 802 3af complaint Note Power over Ethernet connections work with all existing Category 3 4 5 5e or 6 network cabling including patch cables and patch panels outlets and other connecting hardware without requiring modification The switch delivers power to a device using wire pairs in the connecting Ethernet ...

Page 38: ... FCC standards Connecting to PCs Servers Hubs and Switches 1 Attach one end of a twisted pair cable segment to the device s RJ 45 connector Figure 4 1 Making Twisted Pair Connections 2 If the device is a PC card and the switch is in the wiring closet attach the other end of the cable segment to a modular wall outlet that is connected to the wiring closet See Network Wiring Connections on page 4 3 ...

Page 39: ...ilable port on the switch and the other end to the patch panel 2 If not already in place attach one end of a cable segment to the back of the patch panel where the punch down block is located and the other end to a modular wall outlet 3 Label the cables to simplify future troubleshooting See Cable Labeling and Connection Records on page 4 8 Figure 4 2 Wiring Closet Connections Equipment Rack side ...

Page 40: ...ice considering safety please make sure that it can function at a temperature that is not less than the recommended maximum operational temperature of the product You must also use an approved Laser Class 1 SFP transceiver Hinweis Bei der Wahl eines Glasfasertransceivers muß für die Beurteilung der Gesamtsicherheit beachtet werden das die maximale Umgebungstemperatur des Transceivers für den Betri...

Page 41: ... 4 3 Making Connections to SFP Transceivers 4 As a connection is made check the Link LED on the switch corresponding to the port to be sure that the connection is valid The 1000BASE SX 1000BASE LX and 1000BASE LH fiber optic ports operate at 1 Gbps full duplex The maximum length for fiber optic cable operating at Gigabit speed will depend on the fiber type as listed under 1000 Mbps Gigabit Etherne...

Page 42: ...he first step in preparing existing Category 5 cabling for running 1000BASE T is a simple test of the cable installation to be sure that it complies with the IEEE 802 3 2005 standards 1000 Mbps Gigabit Ethernet Collision Domain Table 4 1 Maximum 1000BASE T Gigabit Ethernet Cable Length Cable Type Maximum Cable Length Connector Category 5 5e 6 100 ohm UTP or STP 100 m 328 ft RJ 45 Table 4 2 Maximum...

Page 43: ...e 4 5 Maximum Fast Ethernet Cable Length Type Cable Type Maximum Cable Length Connector 100BASE TX Category 5 or better 100 ohm UTP or STP 100 m 328 ft RJ 45 Table 4 6 Maximum Ethernet Cable Length Type Cable Type Maximum Length Connector 10BASE T Categories 3 4 5 or better 100 ohm UTP 100 m 328 ft RJ 45 ...

Page 44: ...abel the opposing ends of each cable Using your building s floor plans draw a map of the location of all network connected equipment For each piece of equipment identify the devices to which it is connected Note the length of each cable and the maximum cable length supported by the switch ports For ease of understanding use a location based key when assigning prefixes to your cable labeling Use se...

Page 45: ...be defective Table A 1 Troubleshooting Chart Symptom Action Power LED is Off Check connections between the switch the power cord and the wall outlet Contact our Technical Support Link LED is Off Verify that the switch and attached device are powered on Be sure the cable is plugged into both the switch and corresponding device If the switch is installed in a rack check the connections to the punch ...

Page 46: ...om anywhere within the attached network using a Web browser or other network management software tools However you must first configure the switch with a valid IP address subnet mask and default gateway If you have trouble establishing a link to the management agent check to see if you have a valid network connection Then verify that you entered the correct IP address Also be sure the port through...

Page 47: ...umbered Be sure to hold the connectors in the same orientation when attaching the wires to the pins Figure B 1 RJ 45 Connector Pin Numbers 10BASE T 100BASE TX Pin Assignments Use unshielded twisted pair UTP or shielded twisted pair STP cable for RJ 45 connections 100 ohm Category 3 or better cable for 10 Mbps connections or 100 ohm Category 5 or better cable for 100 Mbps connections Also be sure t...

Page 48: ...n X which indicates MDI a crossover must be implemented in the wiring When auto negotiation is enabled for Pin MDI Signal Name MDI X Signal Name 1 Receive Data plus RD and GND Positive Vport Transmit Data plus TD and 48V feeding power Negative Vport 2 Receive Data minus RD and and GND Positive Vport Transmit Data minus TD and 48V feeding power Negative Vport 3 Transmit Data plus TD and 48V feeding...

Page 49: ...e Use 100 ohm Category 5 5e or 6 unshielded twisted pair UTP or shielded twisted pair STP cable for 1000BASE T connections Also be sure that the length of any twisted pair connection does not exceed 100 meters 328 feet Table B 2 1000BASE T MDI X and MDI Port Pinouts 1000BASE T MDI X and MDI Port Pinouts Pin MDI X Signal Name MDI Signal Name 1 Bi directional Data Two Plus BI_D2 Bi directional Data ...

Page 50: ...place any Category 5 patch cables with high performance Category 5e or Category 6 cables 2 Reduce the number of connectors used in the link 3 Reconnect some of the connectors in the link Fiber Standards The current TIA Telecommunications Industry Association 568 A specification on optical fiber cabling consists of one recognized cable type for horizontal subsystems and two cable types for backbone...

Page 51: ...ble Category 5 or better 1000BASE T RJ 45 100 ohm UTP or STP cable Category 5 5e or 6 Maximum Cable Length 100 m 328 ft Buffer Architecture 144 Kbytes Aggregate Bandwidth 16 Gbps Switching Database 4K MAC address entries LEDs System Power Port Link Act Status for SFP ports PoE Weight 2 06 kg 4 54 lbs Size 33 0 x 20 3 x 4 4 cm 12 99 x 7 99 x 1 73 in Temperature Operating 0 to 45 C 32 to 114 F Stora...

Page 52: ... 350 mA DC port 1 can reach 565 mA DC Output Voltage 44 57 V DC Maximum output current per port 350 mA DC Power Supply Internal auto ranging transformer 100 to 240 VAC 50 to 60 Hz Power Consumption 165 W maximum full PoE load Maximum Current 1 5 A 110 VAC 0 75 A 220 VAC Switch Features Forwarding Mode Store and forward Throughput Wire speed Management Features In Band Management Web and SNMP Softw...

Page 53: ...Ethernet IEEE 802 3af Power over Ethernet IEEE 802 1D Spanning Tree Protocol IEEE D802 1Q Virtual LAN IEEE 802 1X Port Based Network Access Control 2001 ISO IEC 8802 3 Compliances CE Mark Emissions FCC Class A Immunity EN 61000 4 2 3 4 5 6 8 11 Safety CB IEC60950 1 EN60950 1 ...

Page 54: ...Specifications C 4 C ...

Page 55: ...rands of 50 125 or 62 5 125 micron core fiber cable 1000BASE T IEEE 802 3ab specification for Gigabit Ethernet over 100 ohm Category 5 or 5e twisted pair cable using all four wire pairs Auto Negotiation Signalling method allowing each node to select its optimum operational mode e g speed and duplex mode based on the capabilities of the node to which it is connected Bandwidth The difference between...

Page 56: ... Fast Ethernet A 100 Mbps network communication system based on Ethernet and the CSMA CD access method Full Duplex Transmission method that allows two network devices to transmit and receive concurrently effectively doubling the bandwidth of that link Gigabit Ethernet A 1000 Mbps network communication system based on Ethernet and the CSMA CD access method IEEE Institute of Electrical and Electroni...

Page 57: ...twisted pair or fiber cable joining a pair of repeaters or a repeater and a PC Local Area Network LAN A group of interconnected computers and support devices Management Information Base MIB An acronym for Management Information Base It is a set of database objects that contains information about the device Media Access Control MAC A portion of the networking protocol that governs access to the tra...

Page 58: ...tion Transmission Control Protocol Internet Protocol TCP IP Protocol suite that includes TCP as the primary transport protocol and IP as the network layer protocol UTP Unshielded twisted pair cable Virtual LAN VLAN A Virtual LAN is a collection of network nodes that share the same collision domain regardless of their physical location or connection point in the network A VLAN serves as a logical w...

Page 59: ...rules 10 Mbps 4 7 100 Mbps 4 7 1000 Mbps 4 6 contents of package 3 2 cooling problems A 1 cord sets international 3 6 D desktop mounting 3 4 device connections 4 1 E electrical interference avoiding 3 1 equipment checklist 3 2 Ethernet connectivity rules 4 6 4 7 F Fast Ethernet connectivity rules 4 7 features C 2 management 1 5 full duplex connectivity 2 1 G grounding for racks 3 3 I IEEE 802 3 Et...

Page 60: ...nting 3 3 rear panel receptacles 1 4 RJ 45 port 1 3 connections 4 1 pinouts B 3 rubber foot pads attaching 3 4 S screws for rack mounting 3 2 site selelction 3 1 SNMP agent 1 2 specifications compliances C 2 environmental C 1 physical C 1 power C 2 standards IEEE C 3 status LEDs 1 3 surge suppressor using 3 1 switch architecture 1 2 switching introduction to 2 1 T temperature within a rack 3 3 tro...

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Page 62: ...JAN 2008 ISSUE 1 0 ...

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