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Digisol DG-GS4824F Installation Manual Download Page 8

C

ONTENTS

–  8  –

Fiber Optic SFP Devices 

41

Connectivity Rules 

43

Cable Labeling and Connection Records 

45

A

T

ROUBLESHOOTING

 47

Diagnosing Switch Indicators 

47

Power and Cooling Problems 

48

Installation 48
In-Band Access 

48

B

C

ABLES

 49

Twisted-Pair Cable and Pin Assignments 

49

Fiber Standards 

53

C

S

PECIFICATIONS

 55

Physical Characteristics 

55

Switch Features 

57

Management Features 

57

Standards 58

G

LOSSARY

 59

I

NDEX

 65

Summary of Contents for DG-GS4824F

Page 1: ... TM DG GS4824F Layer 3 Gigabit SFP Managed Switch Installation Guide V1 0 2011 02 04 MUSTANG 4000 Managed Switch Series As our product undergoes continuous development the specifications are subject to change without prior notice ...

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Page 3: ...INSTALLATION GUIDE DG GS4824F GIGABIT ETHERNET SWITCH Layer 3 Switch with 22 1000BASE X SFP Ports and 2 Combination Gigabit RJ 45 SFP Ports DG GS4824F E022011 R01 ...

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Page 5: ...nventions are used throughout this guide to show information RELATED PUBLICATIONS The following publication gives specific information on how to operate and use the management functions of the switch The Management Guide Also as part of the switch s software there is an online web based help that describes all management related features NOTE Emphasizes important information or calls your attentio...

Page 6: ...ABOUT THIS GUIDE 6 REVISION HISTORY This section summarizes the changes in each revision of this guide FEB 2011 REVISION This is the first revision of this guide ...

Page 7: ... 21 Application Examples 22 Application Notes 26 3 INSTALLING THE SWITCH 27 Selecting a Site 27 Ethernet Cabling 28 Equipment Checklist 29 Mounting 30 Installing an Optional SFP Transceiver 32 Grounding the Switch 34 Connecting to a Power Source 35 Connecting to the Console Port 36 4 MAKING NETWORK CONNECTIONS 39 Connecting Network Devices 39 Twisted Pair Devices 39 ...

Page 8: ...UBLESHOOTING 47 Diagnosing Switch Indicators 47 Power and Cooling Problems 48 Installation 48 In Band Access 48 B CABLES 49 Twisted Pair Cable and Pin Assignments 49 Fiber Standards 53 C SPECIFICATIONS 55 Physical Characteristics 55 Switch Features 57 Management Features 57 Standards 58 GLOSSARY 59 INDEX 65 ...

Page 9: ...ble 8 Maximum 1000BASE LH Gigabit Ethernet Cable Length 44 Table 9 Maximum 1000BASE LHX Gigabit Ethernet Cable Length 44 Table 10 Maximum 1000BASE ZX Gigabit Ethernet Cable Length 44 Table 11 Maximum 1000BASE BX20 Gigabit Ethernet Cable Length 44 Table 12 Maximum 1000BASE BX10 Gigabit Ethernet Cable Length 44 Table 13 Maximum Fast Ethernet Cable Lengths 45 Table 14 Maximum Ethernet Cable Length 45...

Page 10: ...TABLES 10 ...

Page 11: ... for Unicast Traffic 25 Figure 10 RJ 45 Connections 28 Figure 11 Attaching the Brackets 31 Figure 12 Installing the Switch in a Rack 31 Figure 13 Inserting an SFP Transceiver into a Slot 33 Figure 14 Grounding Point 34 Figure 15 Power Socket 35 Figure 16 Console Port Connection 36 Figure 17 Making Twisted Pair Connections 40 Figure 18 Making Fiber Port Connections 42 Figure 19 RJ 45 Connector Pin ...

Page 12: ...FIGURES 12 ...

Page 13: ...or Spanning Tree Protocol Multicast Switching Virtual LANs and IP routing It brings order to poorly performing networks by segregating them into separate broadcast domains with IEEE 802 1Q compliant VLANs empowers multimedia applications with multicast switching and CoS services and eliminates conventional router bottlenecks This switch can be used to augment or completely replace slow legacy rout...

Page 14: ...1 Introduction Overview 14 Figure 1 Front Panel Figure 2 Rear Panel Port Status Indicators 1000BASE T SFP Combination Ports System Indicators RJ 45 Console Port 1000BASE X SFP Ports Power Socket Grounding Point ...

Page 15: ...l duplex capability on all ports which effectively doubles the bandwidth of each connection For communications between different VLANs the switch uses IP routing For communications within the same VLAN it uses store and forward switching to ensure maximum data integrity With store and forward switching the entire packet must be received into a buffer and checked for validity before being forwarded...

Page 16: ...N OF HARDWARE RJ 45 PORTS The switch contains two combination RJ 45 ports that operate at 10 Mbps or 100 Mbps half or full duplex or at 1000 Mbps full duplex They are shared with SFP ports 1 2 In its default configuration if an SFP transceiver purchased separately is installed in a slot and has a valid link on its port the associated RJ 45 port is disabled and cannot be used The switch can also be...

Page 17: ...000BX20 u SFP 1000BX20D u SFP 1000BX10 u SFP 1000BX10D For information on the recommended standards for fiber optic cabling see 1000 Mbps Gigabit Ethernet Collision Domain on page 43 CONSOLE PORT An RJ 45 serial console port is provided on the switch front panel for a connection to a console device through a straight through UTP or STP Ethernet cable and an RJ 45 to DB 9 converter The console devi...

Page 18: ...s which are located on the front panel for easy viewing are shown below and described in the following tables Figure 4 Port LEDs Table 1 1000 Mbps SFP Port Status LEDs 1 24 LED Condition Status Link Activity On Flashing Green Port has established a valid 1000 Mbps network connection Flashing indicates activity Off There is no valid link on the port SFP Port Status LEDs System Status LEDs RJ 45 Por...

Page 19: ...ity Off There is no valid link on the port Table 3 System Status LEDs LED Condition Status Power On Green The unit s internal power supply is operating normally On Amber The unit has an internal power supply fault Off The unit has no power connected Diag On Green The system diagnostic test has completed successfully Flashing Green The system diagnostic test is in progress On Amber After powering o...

Page 20: ...PTER 1 Introduction Description of Hardware 20 POWER SUPPLY SOCKET There is one power socket on the rear panel of the switch The standard power socket is for the AC power cord Figure 5 Power Supply Socket ...

Page 21: ... 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 int...

Page 22: ...below NETWORK AGGREGATION PLAN With 24 parallel bridging ports i e 24 distinct collision domains the switch can collapse a complex network down into a single efficient bridged node increasing overall bandwidth and throughput In the figure below the 1000BASE X SFP ports on the switch are providing 1000 Mbps connectivity for up to 24 segments In addition the switch is also connecting several servers...

Page 23: ...0BASE SX MMF link can connect to a site up to 550 meters away a 1000BASE LX SMF link up to 10 km and a 1000BASE LH link up to 80 km This allows the switch to serve as a collapsed backbone providing direct connectivity for a widespread LAN The figure below illustrates the switch connecting multiple segments with fiber cable Figure 7 Remote Connections with Fiber Cable ...

Page 24: ...ks This provides a more secure and cleaner network environment VLANs can be based on untagged port groups or traffic 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 8 Making VLAN Connect...

Page 25: ...eliminate your conventional IP routers except for a router to handle non IP protocols and a gateway router linked to the WAN Just assign an IP address to any VLANs that need to communicate The switch will continue to segregate Layer 2 traffic based on VLANs but will now provide inter VLAN connections for IP applications The switch will perform IP routing for specified VLAN groups a directly connec...

Page 26: ... performance for the segment attached to the hub 3 Based on recommended standards the length of fiber optic cable for a single switched link should not exceed n 1000BASE SX 550 m 1805 ft for multimode fiber n 1000BASE LX 10 km 6 2 miles for single mode fiber n 1000BASE LH 80 km 49 7 miles for single mode fiber n 1000BASE LHX 40 km 24 8 miles for single mode fiber n 1000BASE ZX 100 km 62 miles for ...

Page 27: ...pace approximately two inches on all sides for proper air flow n be accessible for installing cabling and maintaining the devices n allow the status LEDs to be clearly visible u Make sure twisted pair cable is always routed away from power lines fluorescent lighting fixtures and other sources of electrical interference such as radios and transmitters u Make sure that the unit is connected to a sep...

Page 28: ...Cable type Unshielded twisted pair UTP or shielded twisted pair STP cables with RJ 45 connectors Category 3 or better for 10BASE T Category 5 or better for 100BASE TX and Category 5 5e or 6 for 1000BASE T u Protection from radio frequency interference emissions u Electrical surge suppression u Separation of electrical wires switch related or other and electromagnetic fields from data based network...

Page 29: ...TS u Gigabit Ethernet Switch DG GS4824F u Power Cord u Two rack mounting brackets and eight screws u RJ 45 to DB 9 serial converter for console connection u Installation Guide and Management Guide CD OPTIONAL RACK MOUNTING EQUIPMENT If you plan to rack mount the switch be sure to have the following equipment available u Four mounting screws for each device you plan to install in a rack these are n...

Page 30: ...e ambient room temperature check that the rack environment temperature is within the specified operating temperature range u Mechanical Loading Do not place any equipment on top of a rack mounted unit u Circuit Overloading Be sure that the supply circuit to the rack assembly is not overloaded u Grounding Rack mounted equipment should be properly grounded Particular attention should be given to sup...

Page 31: ...ttaching the Brackets 2 Mount the device in the rack using four rack mounting screws not provided Be sure to secure the lower rack mounting screws first to prevent the brackets being bent by the weight of the switch Figure 12 Installing the Switch in a Rack ...

Page 32: ...s on a horizontal surface follow these steps 1 Set the device on a flat surface near an AC power source making sure there are at least two inches of space on all sides for proper air flow 2 If installing a single switch only go to Connecting to a Power Source on page 35 3 If installing multiple switches place each device squarely on top of the one below in any order INSTALLING AN OPTIONAL SFP TRAN...

Page 33: ... the optical connector facing outward and the slot connector facing down Note that SFP transceivers are keyed so they can only be installed in one orientation 3 Slide the SFP transceiver into the slot until it clicks into place NOTE SFP transceivers are hot swappable The switch does not need to be powered off before installing or removing a transceiver However always first disconnect the network c...

Page 34: ...e rack no paint or isolating surface treatment 3 Disconnect all power cables to the switch 4 The switch chassis is connected internally to 0 V This circuit is connected to the grounding terminal on the back of the switch right corner Attach 6 AWG stranded copper wire to the grounding terminal on the switch 5 Then attach the grounding wire to the ground point on the rack Figure 14 Grounding Point C...

Page 35: ...of the switch Figure 15 Power Socket 2 Plug the other end of the cable into a grounded 3 pin AC power source 3 Check the front panel LEDs as the device is powered on to be sure the Power LED is lit If not check that the power cable is correctly plugged in 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 yo...

Page 36: ...in assignments used in the RJ 45 to DB 9 converter are described below Figure 16 Console Port Connection WIRING MAP FOR SERIAL CONVERTER The following table describes the pin connections for the RJ 45 to DB 9 serial converter The converter should be used with straight through UTP or STP Ethernet cable Table 4 Serial Converter Wiring 8 PIN RJ 45 Port Switch Console Port Null Modem 9 PIN DB 9 Port P...

Page 37: ... Switch Connecting to the Console Port 37 The serial port s configuration requirements are as follows u Default Baud rate 115 200 bps u Character Size 8 Characters u Parity None u Stop bit One u Data bits 8 u Flow control none ...

Page 38: ...CHAPTER 3 Installing the Switch Connecting to the Console Port 38 ...

Page 39: ...h RJ 45 connectors at both ends Use Category 5 5e or 6 cable for 1000BASE T connections Category 5 or better for 100BASE TX connections and Category 3 or better for 10BASE T connections CABLING GUIDELINES The RJ 45 ports on the switch support automatic MDI MDI X pinout configuration so you can use standard straight through twisted pair cables to connect to any other network device PCs servers swit...

Page 40: ...ll outlet that is connected to the wiring closet Otherwise attach the other end to an available port on the switch Make sure each twisted pair cable does not exceed 100 meters 328 ft in length 3 As each connection is made the Link LED on the switch corresponding to each port will light green or amber to indicate that the connection is valid NOTE Avoid using flow control on a port connected to a hu...

Page 41: ...wiping them gently with a clean tissue or cotton ball moistened with a little ethanol Dirty fiber terminators on fiber optic cables will impair the quality of the light transmitted through the cable and lead to degraded performance on the port 3 Connect one end of the cable to the LC port on the switch and the other end to the LC port on the other device Since LC connectors are keyed the cable can...

Page 42: ...LED on the switch corresponding to the port to be sure that the connection is valid The SFP fiber optic ports operate at 1 Gbps full duplex with auto negotiation of flow control The maximum length for fiber optic cable operating at Gigabit speed will depend on the fiber type as listed under 1000 Mbps Gigabit Ethernet Collision Domain on page 43 ...

Page 43: ...stallations Category 5e enhanced Category 5 or Category 6 cable should be used The Category 5e and 6 specifications include test parameters that are only recommendations for Category 5 Therefore the 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 ET...

Page 44: ...ength Fiber Size Fiber Bandwidth Maximum Cable Length Connector 9 125 micron single mode fiber N A 2 m 40 km 7 ft 24 8 miles LC Table 10 Maximum 1000BASE ZX Gigabit Ethernet Cable Length Fiber Size Fiber Bandwidth Maximum Cable Length Connector 9 125 micron single mode fiber N A 2 m 100 km 7 ft 62 miles LC Table 11 Maximum 1000BASE BX20 Gigabit Ethernet Cable Length Fiber Size Fiber Bandwidth Maxi...

Page 45: ...ach cable u 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 u Note the length of each cable and the maximum cable length supported by the switch ports u For ease of understanding use a location based key when assigning prefixes to your cable labeling u Use sequential numbers fo...

Page 46: ... 4 Making Network Connections Cable Labeling and Connection Records 46 u Label each separate piece of equipment u Display a copy of your equipment map including keys to all abbreviations at each equipment rack ...

Page 47: ... does not clear contact your dealer for assistance Link LED is Off u If an SFP transceiver has failed replace it u Verify that the switch and attached device are powered on u Be sure the cable is plugged into both the switch and corresponding device u If the switch is installed in a rack check the connections to the punch down block and patch panel u Verify that the proper cable type is used and i...

Page 48: ...ll the other components are functioning properly IN BAND ACCESS You can access the management agent in the switch from anywhere within the attached network using Telnet 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 s...

Page 49: ...hite stripes Also an RJ 45 connector must be attached to both ends of the cable The figure below illustrates how the pins on the RJ 45 connector are numbered Be sure to hold the connectors in the same orientation when attaching the wires to the pins Figure 19 RJ 45 Connector Pin Numbers CAUTION DO NOT plug a phone jack connector into any RJ 45 port Use only twisted pair cables with RJ 45 connector...

Page 50: ...er end of the cable When using any RJ 45 port on this switch you can use either straight through or crossover cable Note The and signs represent the polarity of the wires that make up each wire pair STRAIGHT THROUGH WIRING If the twisted pair cable is to join two ports and only one of the ports has an internal crossover MDI X the two pairs of wires must be straight through When auto negotiation is...

Page 51: ...or crossover cable to connect to any device type You must connect all four wire pairs as shown in the following diagram to support Gigabit Ethernet Figure 21 Crossover Wiring White Orange Stripe Orange White Green Stripe Green 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 EIA TIA 568B RJ 45 Wiring Standard 10 100BASE TX Straight through Cable End A End B Blue White Blue Stripe Brown White Brown Stripe White Ora...

Page 52: ...ng information is specified in the ANSI TIA EIA TSB 67 standard Additionally cables must also pass test parameters for Return Loss and Equal Level Far End Crosstalk ELFEXT These tests are specified in the ANSI TIA EIA TSB 95 Bulletin The Additional Transmission Performance Guidelines for 100 Ohm 4 Pair Category 5 Cabling Note that when testing your cable installation be sure to include all patch c...

Page 53: ...ummarized in the following table Table 18 Fiber Standards ITU T Standard Description Application G 651 Multimode Fiber 50 125 micron core Short reach connections in the 1300 nm or 850 nm band G 652 Non Dispersion Shifted Fiber Single mode 9 125 micron core Longer spans and extended reach Optimized for operation in the 1310 nm band but can also be used in the 1550 nm band G 652 C Low Water Peak Non...

Page 54: ...nsmission in the 1500 to 1600 nm region with low loss in the 1550 nm band G 655 Non Zero Dispersion Shifted Fiber Single mode 9 125 micron core Extended long haul applications Optimized for high power dense wavelength division multiplexing DWDM operation in the region from 1500 to 1600 nm Table 18 Fiber Standards Continued ITU T Standard Description Application ...

Page 55: ... connector auto MDI X 10BASE T RJ 45 100 ohm UTP cable Category 3 or better 100BASE TX RJ 45 100 ohm UTP cable 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 0 75 Mbyte packet buffer AGGREGATE BANDWIDTH 48 Gbps SWITCHING DATABASE 8K MAC address entries LEDS System DIAG Diagnostic Pwr Power Port status link spe...

Page 56: ... x 1 64 inches TEMPERATURE Operating 0 C to 45 C 32 F to 113 F Storage 40 C to 70 C 40 F to 158 F HUMIDITY Operating 10 to 90 non condensing AC INPUT 100 to 240 V 50 60 Hz 1A POWER SUPPLY Internal auto ranging transformer 100 to 240 VAC 50 to 60 Hz POWER CONSUMPTION 40 Watts maximum MAXIMUM CURRENT 0 4 A 100 VAC 0 2 A 240 VAC ...

Page 57: ...ODE Store and forward THROUGHPUT Wire speed FLOW CONTROL Full Duplex IEEE 802 3x Half Duplex Back pressure MANAGEMENT FEATURES IN BAND MANAGEMENT SSH Telnet SNMP or HTTP OUT OF BAND MANAGEMENT RS 232 RJ 45 console port SOFTWARE LOADING HTTP TFTP in band or XModem out of band ...

Page 58: ...STANDARDS IEEE 802 3 2005 Ethernet Fast Ethernet Gigabit Ethernet Full duplex flow control Link Aggregation Control Protocol IEEE 802 1D 2004 Spanning Tree Protocol Rapid Spanning Tree Protocol Multiple Spanning Tree Protocol ISO IEC 8802 3 ...

Page 59: ... specification for Gigabit Ethernet over two strands of 50 125 62 5 125 or 9 125 micron core fiber cable 1000BASE SX IEEE 802 3z specification for Gigabit Ethernet over two strands 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 5e or 6 twisted pair cable using all four wire pairs AUTO NEGOTIATION Signalling method al...

Page 60: ...system developed and standardized by DEC Intel and Xerox using baseband transmission CSMA CD access logical bus topology and coaxial cable The successor IEEE 802 3 standard provides for integration into the OSI model and extends the physical layer and media with repeaters and implementations that operate on fiber thin coax and twisted pair cable FAST ETHERNET A 100 Mbps network communication syste...

Page 61: ... and physical layer specifications for 100BASE TX Fast Ethernet Now incorporated in IEEE 802 3 2005 IEEE 802 3X Defines Ethernet frame start stop requests and timers used for flow control on full duplex links Now incorporated in IEEE 802 3 2005 IEEE 802 3Z Defines CSMA CD access method and physical layer specifications for 1000BASE Gigabit Ethernet Now incorporated in IEEE 802 3 2005 LAN SEGMENT S...

Page 62: ...th the modal field or core diameter of the fiber Modal bandwidth is specified in units of MHz per km which indicates the amount of bandwidth supported by the fiber for a one km distance NETWORK DIAMETER Wire distance between two end stations in the same collision domain RJ 45 CONNECTOR A connector for twisted pair wiring SWITCHED PORTS Ports that are on separate collision domains or LAN segments T...

Page 63: ...y be discarded before reaching their targets UDP is useful when TCP would be too complex too slow or just unnecessary 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 workgroup with no physical barriers allowing us...

Page 64: ...GLOSSARY 64 ...

Page 65: ...es 10 Mbps 45 100 Mbps 44 1000 Mbps 43 console port pin assignments 36 contents of package 29 cooling problems 48 cord sets international 35 D desktop mounting 32 device connections 39 E electrical interference avoiding 27 equipment checklist 29 Ethernet connectivity rules 45 F Fast Ethernet connectivity rules 44 features 57 fiber cables 41 front panel of switch 14 full duplex connectivity 21 G Gi...

Page 66: ... 35 R rack mounting 32 rear panel of switch 14 rear panel socket 20 RJ 45 port 16 connections 39 pinouts 52 RMON 16 RS 232 port 16 S serial port 16 SFP transceiver slots 17 single mode fiber optic cables 41 site selelction 27 SNMP agent 16 specifications environmental 56 power 56 standards IEEE 58 status LEDs 18 surge suppressor using 27 switch architecture 15 T Telnet 48 troubleshooting in band a...

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