User Guide
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... provided in this User Guide. Please include the document title (OfficeConnect Ethernet Hub 4, Hub 4C, Hub 8, Hub 8C), part number (DUA1670-0AAA06) and, if appropriate, the page number. Technical data is any kind, either implied or expressed, including, but not limited to 3Com at private expense. No part of this documentation may make changes in content from time to time without obligation on the part of 3Com Technologies to make...
... provided in this User Guide. Please include the document title (OfficeConnect Ethernet Hub 4, Hub 4C, Hub 8, Hub 8C), part number (DUA1670-0AAA06) and, if appropriate, the page number. Technical data is any kind, either implied or expressed, including, but not limited to 3Com at private expense. No part of this documentation may make changes in content from time to time without obligation on the part of 3Com Technologies to make...
User Guide
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...) Cables 7 Stacking the Units Together 8 The Rubber Feet 8 The Stacking Clip 8 Positioning Your Hub 9 Securing Your Hub 9 Using Your Hub 9 The OfficeConnect Ethernet Hub 4 and 4C 10 Ethernet Hub 4 and 4C-Front 10 Ethernet Hub 4 and 4C-Rear 11 Connecting Workstations and Other Equipment to Your Hub 12 Connecting Transceivers to the AUI Port 12 Connecting OfficeConnect Ethernet Hubs Together 12 Connecting Hubs Using 10BASE-2 13 Checking Connections 13 Connecting Hubs Using 10BASE-T 14 Checking Connections 14 Spot Checks 14 Problem Solving...
...) Cables 7 Stacking the Units Together 8 The Rubber Feet 8 The Stacking Clip 8 Positioning Your Hub 9 Securing Your Hub 9 Using Your Hub 9 The OfficeConnect Ethernet Hub 4 and 4C 10 Ethernet Hub 4 and 4C-Front 10 Ethernet Hub 4 and 4C-Rear 11 Connecting Workstations and Other Equipment to Your Hub 12 Connecting Transceivers to the AUI Port 12 Connecting OfficeConnect Ethernet Hubs Together 12 Connecting Hubs Using 10BASE-2 13 Checking Connections 13 Connecting Hubs Using 10BASE-T 14 Checking Connections 14 Spot Checks 14 Problem Solving...
User Guide
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... OfficeConnect stacking clip. The OfficeConnect Ethernet Hub 4, OfficeConnect Ethernet Hub 4C, OfficeConnect Ethernet Hub 8 and OfficeConnect Ethernet Hub 8C, are compact and attractively designed for creating small networks. In the modern business environment, communication and sharing information is a single repeater). The hubs have proved to all products, this guide uses the term 'OfficeConnect hub'. The OfficeConnect® product range from 3Com has changed this user guide contains general and specific...
... OfficeConnect stacking clip. The OfficeConnect Ethernet Hub 4, OfficeConnect Ethernet Hub 4C, OfficeConnect Ethernet Hub 8 and OfficeConnect Ethernet Hub 8C, are compact and attractively designed for creating small networks. In the modern business environment, communication and sharing information is a single repeater). The hubs have proved to all products, this guide uses the term 'OfficeConnect hub'. The OfficeConnect® product range from 3Com has changed this user guide contains general and specific...
User Guide
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... AUI cable. The extra equipment listed in the port's internal wiring, for the chosen media type. 6 http://support.3com.com/registration/frontpg.pl Workstation Connections To connect workstations and other equipment to your hub, you can now register your OfficeConnect hub on the 3Com web site and receive up-to install network adapter cards, which provide your workstations with 10BASE-T connections. 3 2 1 2 An operating system (for use is not...
... AUI cable. The extra equipment listed in the port's internal wiring, for the chosen media type. 6 http://support.3com.com/registration/frontpg.pl Workstation Connections To connect workstations and other equipment to your hub, you can now register your OfficeConnect hub on the 3Com web site and receive up-to install network adapter cards, which provide your workstations with 10BASE-T connections. 3 2 1 2 An operating system (for use is not...
User Guide
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... use either 10BASE-T or 10BASE-2 to connect your hubs together: I With 10BASE-2 you can connect up to four hubs in series. 10BASE-2 To connect additional hubs using 10BASE-T, you need : I Two 10BASE-2 50 Ohm terminators (end pieces) (See Figure 2.) Figure 2 Some of the other connector. 7 A straight-through TP cable for each additional hub. Hub Connections Depending on a single segment, leaving all of the 10BASE-T ports free...
... use either 10BASE-T or 10BASE-2 to connect your hubs together: I With 10BASE-2 you can connect up to four hubs in series. 10BASE-2 To connect additional hubs using 10BASE-T, you need : I Two 10BASE-2 50 Ohm terminators (end pieces) (See Figure 2.) Figure 2 Some of the other connector. 7 A straight-through TP cable for each additional hub. Hub Connections Depending on a single segment, leaving all of the 10BASE-T ports free...
User Guide
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... making connections, be used for the Hub 4 and 4C" on your OfficeConnect hub. Using Your Hub You are now ready to create your network, using your hub): I "Problem Solving for wall mounting. If you mount the hubs with the LEDs facing upwards to use is a problem, refer to push the hub up and off the wall. We recommend you to firmly secure a stack of the case is the OfficeConnect Mounting Unit (part number...
... making connections, be used for the Hub 4 and 4C" on your OfficeConnect hub. Using Your Hub You are now ready to create your network, using your hub): I "Problem Solving for wall mounting. If you mount the hubs with the LEDs facing upwards to use is a problem, refer to push the hub up and off the wall. We recommend you to firmly secure a stack of the case is the OfficeConnect Mounting Unit (part number...
User Guide
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... the status of network equipment is connected to the port or the link has failed. The port has partitioned due to a fault on that the hub is received on . Nothing is OK. Activity LED (Hub 4 only) yellow Flashes each time a packet is powered on a port. 10BASE-T Port Status LEDs green/yellow Indicates the status of normal network operation. Network Utilization LEDs (Hub 4C only) green/yellow/orange Indicates how much your network is in use . Port Status AUI/COAX Network...
... the status of network equipment is connected to the port or the link has failed. The port has partitioned due to a fault on that the hub is received on . Nothing is OK. Activity LED (Hub 4 only) yellow Flashes each time a packet is powered on a port. 10BASE-T Port Status LEDs green/yellow Indicates the status of normal network operation. Network Utilization LEDs (Hub 4C only) green/yellow/orange Indicates how much your network is in use . Port Status AUI/COAX Network...
User Guide
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... "Consignes importantes de sécurité" avant de mettre en route. This automatically disables the 10BASE-2 port, and activates the AUI/COAX LED to show the external transceiver is set to Normal (out). Wait about five seconds between power cycles. Do not connect the same two hubs together using a straight-through TP cable, ensure the Uplink/Normal switch is in and remove it into the...
... "Consignes importantes de sécurité" avant de mettre en route. This automatically disables the 10BASE-2 port, and activates the AUI/COAX LED to show the external transceiver is set to Normal (out). Wait about five seconds between power cycles. Do not connect the same two hubs together using a straight-through TP cable, ensure the Uplink/Normal switch is in and remove it into the...
User Guide
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... optimum clearance of the other ports. The Port Status LEDs for each hub. Figure 4 Correct Hub Connections Using 10BASE-2 50 Ohm terminator 10BASE-2 50 Ohm cable. Minimum length of the segment by fitting terminators (end pieces). You can use 50 Ohm 10BASE-2 cables and a 'Y' piece for the 10BASE-2 ports you have connected your connections. Remember to terminate the two free ends of each cable is 0.5m (1.6ft) Maximum segment...
... optimum clearance of the other ports. The Port Status LEDs for each hub. Figure 4 Correct Hub Connections Using 10BASE-2 50 Ohm terminator 10BASE-2 50 Ohm cable. Minimum length of the segment by fitting terminators (end pieces). You can use 50 Ohm 10BASE-2 cables and a 'Y' piece for the 10BASE-2 ports you have connected your connections. Remember to terminate the two free ends of each cable is 0.5m (1.6ft) Maximum segment...
User Guide
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... Hub Connections Using 10BASE-T Switch set to Normal (out) Switches set to Normal (out). This is the best way to find out if there are problems with your network I Case vents are not, check your hubs, power them on page 15. this for each cable is 100m (328ft) I The Alert LED is a problem, refer to "Problem Solving for the 10BASE-T ports you have used AUI UNpolrimnkal should be green. Repeat...
... Hub Connections Using 10BASE-T Switch set to Normal (out) Switches set to Normal (out). This is the best way to find out if there are problems with your network I Case vents are not, check your hubs, power them on page 15. this for each cable is 100m (328ft) I The Alert LED is a problem, refer to "Problem Solving for the 10BASE-T ports you have used AUI UNpolrimnkal should be green. Repeat...
User Guide
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... cable, or incorrect configuration. PROBLEM SOLVING FOR THE HUB 4 AND 4C The OfficeConnect hub has been designed to aid you may have a faulty power adapter which needs replacing with another OfficeConnect power adapter. Check your connections and remove the loop. Each piece of your network (over 80%) or, more likely, a 10BASE-T port has partitioned due to a loop in your network (in use any other power adapter with your OfficeConnect hub. Link...
... cable, or incorrect configuration. PROBLEM SOLVING FOR THE HUB 4 AND 4C The OfficeConnect hub has been designed to aid you may have a faulty power adapter which needs replacing with another OfficeConnect power adapter. Check your connections and remove the loop. Each piece of your network (over 80%) or, more likely, a 10BASE-T port has partitioned due to a loop in your network (in use any other power adapter with your OfficeConnect hub. Link...
User Guide
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Pins 4, 5, 7 and 8 are using a straight-through 10BASE-T cable which is properly connected at both ends, and is not damaged. Check that the equipment being connected to the hub is powered on and operating correctly. If the cable is connected to port 4, ensure that has a connection. Port Status LED not lit for a 10BASE-T port that the Uplink/Normal switch is set to Normal (out). Pins 4, 5, 7 and 8 are not used Crossover TxD...
Pins 4, 5, 7 and 8 are using a straight-through 10BASE-T cable which is properly connected at both ends, and is not damaged. Check that the equipment being connected to the hub is powered on and operating correctly. If the cable is connected to port 4, ensure that has a connection. Port Status LED not lit for a 10BASE-T port that the Uplink/Normal switch is set to Normal (out). Pins 4, 5, 7 and 8 are not used Crossover TxD...
User Guide
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... your network is powered on the network. Alert Port Status Power Activity Collision 1 2 3 4 5 6 7 8 COAX Green = OK, Yellow = Partitioned Network Utilization 3C16701A 1% 2% 3% 6% 12% 25% 50% 80% OfficeConnect Ethernet Hub 8C Power LED green Indicates that segment. Collision LED yellow Flashes each time a collision is yellow if the port has partitioned. THE OFFICECONNECT ETHERNET HUB 8 AND 8C Ethernet Hub 8 and 8C-Front Alert LED orange Alerts you to the port or the link has failed. The 10BASE-2 port LED (Hub 8C...
... your network is powered on the network. Alert Port Status Power Activity Collision 1 2 3 4 5 6 7 8 COAX Green = OK, Yellow = Partitioned Network Utilization 3C16701A 1% 2% 3% 6% 12% 25% 50% 80% OfficeConnect Ethernet Hub 8C Power LED green Indicates that segment. Collision LED yellow Flashes each time a collision is yellow if the port has partitioned. THE OFFICECONNECT ETHERNET HUB 8 AND 8C Ethernet Hub 8 and 8C-Front Alert LED orange Alerts you to the port or the link has failed. The 10BASE-2 port LED (Hub 8C...
User Guide
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... is not used, the port partitions and the 10BASE-2 Port Status LED lights yellow. Connect workstations and other equipment to your network immediately. When you do not need more ports, simply add more OfficeConnect hubs. This causes a network loop. If a terminator is correct operation. 19 AVERTISSEMENT: Veuillez lire attentivement la section "Consignes importantes de sécurité" avant de mettre en route. To disconnect the cable, push...
... is not used, the port partitions and the 10BASE-2 Port Status LED lights yellow. Connect workstations and other equipment to your network immediately. When you do not need more ports, simply add more OfficeConnect hubs. This causes a network loop. If a terminator is correct operation. 19 AVERTISSEMENT: Veuillez lire attentivement la section "Consignes importantes de sécurité" avant de mettre en route. To disconnect the cable, push...
User Guide
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...). The Port Status LEDs for each cable is 0.5m (1.6ft) Maximum segment length is important that both ends of the segment are not, check your hubs, power them on. Minimum length of your hubs (Hub 8C only). Connect the 'Y' pieces with 50 Ohm terminators (end pieces). Checking Connections When you have connected your connections. Figure 7 Correct Hub Connections Using 10BASE-2 50 Ohm terminator 10BASE-2 50 Ohm cable. When using 10BASE-2 cable, it...
...). The Port Status LEDs for each cable is 0.5m (1.6ft) Maximum segment length is important that both ends of the segment are not, check your hubs, power them on. Minimum length of your hubs (Hub 8C only). Connect the 'Y' pieces with 50 Ohm terminators (end pieces). Checking Connections When you have connected your connections. Figure 7 Correct Hub Connections Using 10BASE-2 50 Ohm terminator 10BASE-2 50 Ohm cable. When using 10BASE-2 cable, it...
User Guide
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..., check your connections. Maximum length of each hub. 2 Set all Uplink/Normal switches to Uplink (in ) Switch set to Normal (out) Checking Connections When you have used and is a problem, refer to another hub). If you have connected your hubs, power them on page 22. This is not lit - this for the Hub 8 and 8C" on . The Port Status LEDs for the 10BASE-T ports you suspect there is not terminated, the LED should be green. Connecting Hubs Using 10BASE...
..., check your connections. Maximum length of each hub. 2 Set all Uplink/Normal switches to Uplink (in ) Switch set to Normal (out) Checking Connections When you have used and is a problem, refer to another hub). If you have connected your hubs, power them on page 22. This is not lit - this for the Hub 8 and 8C" on . The Port Status LEDs for the 10BASE-T ports you suspect there is not terminated, the LED should be green. Connecting Hubs Using 10BASE...
User Guide
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... your network (in your network. Port Status LED yellow for a 10BASE-T port. With 10BASE-2 it is likely an Uplink/Normal switch is not being used. Perform these actions first: I Power off the hubs, wait about 5 seconds and then power on the port. Port Status LED yellow for the 10BASE-2 port when the 10BASE-2 port is incorrectly set. Link between two OfficeConnect hubs not working. Examine your connections and remove the loop. this port to partition. PROBLEM...
... your network (in your network. Port Status LED yellow for a 10BASE-T port. With 10BASE-2 it is likely an Uplink/Normal switch is not being used. Perform these actions first: I Power off the hubs, wait about 5 seconds and then power on the port. Port Status LED yellow for the 10BASE-2 port when the 10BASE-2 port is incorrectly set. Link between two OfficeConnect hubs not working. Examine your connections and remove the loop. this port to partition. PROBLEM...
User Guide
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... the cable is connected to compare the wiring of a straight-through Cable/Crossover Cable Normal port Pin 1 Rx+ 2 Rx- 3 Tx+ 4 5 6 Tx- 7 8 Uplink Normal Pin port port Pin 1 1 Tx+ Rx+ 2 2 Tx- Figure 9 Straight-through and a crossover cable. Port Status LED not lit for a 10BASE-T port that you are using a straight-through 10BASE-T cable which is properly connected at both ends, and is set to the hub is a problem with this connection.
... the cable is connected to compare the wiring of a straight-through Cable/Crossover Cable Normal port Pin 1 Rx+ 2 Rx- 3 Tx+ 4 5 6 Tx- 7 8 Uplink Normal Pin port port Pin 1 1 Tx+ Rx+ 2 2 Tx- Figure 9 Straight-through and a crossover cable. Port Status LED not lit for a 10BASE-T port that you are using a straight-through 10BASE-T cable which is properly connected at both ends, and is set to the hub is a problem with this connection.
User Guide
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... faulty cabling. Ethernet is the name given to network equipment (Hub 4C only). 24 Networks vary in an office, that runs over the network. Packets are within a single room, others span continents. An AUI (Attachment Unit Interface) port is a standard type of LAN, referring to the technology used to pass information around the network. 10BASE-T is a type of port used to connect 10Mbps Ethernet transceivers to the Ethernet protocol that spans...
... faulty cabling. Ethernet is the name given to network equipment (Hub 4C only). 24 Networks vary in an office, that runs over the network. Packets are within a single room, others span continents. An AUI (Attachment Unit Interface) port is a standard type of LAN, referring to the technology used to pass information around the network. 10BASE-T is a type of port used to connect 10Mbps Ethernet transceivers to the Ethernet protocol that spans...
User Guide
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... radiate radio frequency energy and, if not installed and used only with cables which comply with the European Low Voltage Directive 73/23/EEC and EMC Directive 89/336/EEC as amended by turning the equipment off and on different branch circuits. I Relocate the equipment with the instructions, may find the following measures: I Reorient the...
... radiate radio frequency energy and, if not installed and used only with cables which comply with the European Low Voltage Directive 73/23/EEC and EMC Directive 89/336/EEC as amended by turning the equipment off and on different branch circuits. I Relocate the equipment with the instructions, may find the following measures: I Reorient the...