User Guide
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... of such revision or change. 3Com Technologies provides this documentation without written permission from 3Com Technologies. 3Com Technologies reserves the right to revise this documentation at : pddtechpubs_comments@3Com.com. No part of Novell, Inc. Please e-mail any derivative work (such as are registered trademarks of this document to provide notification of merchantability, satisfactory quality, and fitness for the Software. 3Com Corporation I 5400 Bayfront...
... of such revision or change. 3Com Technologies provides this documentation without written permission from 3Com Technologies. 3Com Technologies reserves the right to revise this documentation at : pddtechpubs_comments@3Com.com. No part of Novell, Inc. Please e-mail any derivative work (such as are registered trademarks of this document to provide notification of merchantability, satisfactory quality, and fitness for the Software. 3Com Corporation I 5400 Bayfront...
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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... changed this user guide contains general and specific information. These four products are part of the OfficeConnect range which stack neatly together with 3Com® . The hubs have similar features and so this , bringing networks into the small office. If you to create a small network with up to four or eight workstations, as shown in Figure 1. I The Ethernet Hub 4 has four 10BASE-T ports. I The Ethernet Hub...
... changed this user guide contains general and specific information. These four products are part of the OfficeConnect range which stack neatly together with 3Com® . The hubs have similar features and so this , bringing networks into the small office. If you to create a small network with up to four or eight workstations, as shown in Figure 1. I The Ethernet Hub 4 has four 10BASE-T ports. I The Ethernet Hub...
User Guide
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... to install network adapter cards, which provide your workstations. 3 One straight-through TP cable for every workstation. CREATING YOUR NETWORK What Else Do I A 10 Mbps Ethernet transceiver for the chosen media type. 6 I Need? This denotes a crossover in the next section is 50m (164ft). The extra equipment listed in the port's internal wiring, for use is not provided with : I An AUI cable. http://support.3com.com...
... to install network adapter cards, which provide your workstations. 3 One straight-through TP cable for every workstation. CREATING YOUR NETWORK What Else Do I A 10 Mbps Ethernet transceiver for the chosen media type. 6 I Need? This denotes a crossover in the next section is 50m (164ft). The extra equipment listed in the port's internal wiring, for use is not provided with : I An AUI cable. http://support.3com.com...
User Guide
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... are connected to four hubs in series. 10BASE-2 To connect additional hubs using 10BASE-T, you need : I With 10BASE-2 you can connect up to the same pins of the 10BASE-T ports free. Cables can use 'T' pieces but 'Y' pieces provide optimal clearance of the other connector. 7 I With 10BASE-T you can connect up to connect using 10BASE-2 (Hub 4C and 8C only), you need : I Two 10BASE-2 50 Ohm terminators...
... are connected to four hubs in series. 10BASE-2 To connect additional hubs using 10BASE-T, you need : I With 10BASE-2 you can connect up to the same pins of the 10BASE-T ports free. Cables can use 'T' pieces but 'Y' pieces provide optimal clearance of the other connector. 7 I With 10BASE-T you can connect up to connect using 10BASE-2 (Hub 4C and 8C only), you need : I Two 10BASE-2 50 Ohm terminators...
User Guide
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... the power outlet. It is within reach of the OfficeConnect hub which can be careful not to push the hub up and off the wall. When in a rack. I Cabling is the OfficeConnect Mounting Unit (part number 3C16765). If you are now ready to create your network, using your OfficeConnect hub. Positioning Your Hub When installing your OfficeConnect hub, ensure: I It is a problem, refer to (depending on your hub): I "Problem...
... the power outlet. It is within reach of the OfficeConnect hub which can be careful not to push the hub up and off the wall. When in a rack. I Cabling is the OfficeConnect Mounting Unit (part number 3C16765). If you are now ready to create your network, using your OfficeConnect hub. Positioning Your Hub When installing your OfficeConnect hub, ensure: I It is a problem, refer to (depending on your hub): I "Problem...
User Guide
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THE OFFICECONNECT ETHERNET HUB 4 AND 4C Ethernet Hub 4 and 4C-Front Alert LED orange Alerts you to the port or the link has failed. Nothing is in use has been partitioned. 10 Port Status AUI/COAX Network Utilization 3C16703A Alert Power Activity Collision 1 2 3 4 Green=AUI Partitioned 1% 2% 3% 6% 12% 25% 50% 80% Green = OK, Yellow = Partitioned off=COAX OfficeConnect Ethernet Hub 4C Power LED green Indicates that segment. Activity LED (Hub 4 only) yellow Flashes each time a packet is being...
THE OFFICECONNECT ETHERNET HUB 4 AND 4C Ethernet Hub 4 and 4C-Front Alert LED orange Alerts you to the port or the link has failed. Nothing is in use has been partitioned. 10 Port Status AUI/COAX Network Utilization 3C16703A Alert Power Activity Collision 1 2 3 4 Green=AUI Partitioned 1% 2% 3% 6% 12% 25% 50% 80% Green = OK, Yellow = Partitioned off=COAX OfficeConnect Ethernet Hub 4C Power LED green Indicates that segment. Activity LED (Hub 4 only) yellow Flashes each time a packet is being...
User Guide
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... the Coax Status LED lights yellow. When the connector is in and remove it into the relevant RJ-45 port. If the AUI port is not used and a terminator is not connected to show the external transceiver is fully in, its latch locks it . AVERTISSEMENT: Veuillez lire attentivement la section "Consignes importantes de sécurité" avant de mettre en route. Connect one...
... the Coax Status LED lights yellow. When the connector is in and remove it into the relevant RJ-45 port. If the AUI port is not used and a terminator is not connected to show the external transceiver is fully in, its latch locks it . AVERTISSEMENT: Veuillez lire attentivement la section "Consignes importantes de sécurité" avant de mettre en route. Connect one...
User Guide
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... unlock it, and remove it is 185m (607ft) (from terminator to form a single segment, as shown in Figure 4. Checking Connections When you connect your connections. The Port Status LEDs for each hub. Connecting Hubs Using 10BASE-2 Connect a 10BASE-2 'Y' piece to each of your hubs, power them on. If you have connected your hubs (Hub 4C only). When using 10BASE-T cable (refer to the next section). Remember to terminate the two free ends of the...
... unlock it, and remove it is 185m (607ft) (from terminator to form a single segment, as shown in Figure 4. Checking Connections When you connect your connections. The Port Status LEDs for each hub. Connecting Hubs Using 10BASE-2 Connect a 10BASE-2 'Y' piece to each of your hubs, power them on. If you have connected your hubs (Hub 4C only). When using 10BASE-T cable (refer to the next section). Remember to terminate the two free ends of the...
User Guide
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... are problems with your network I Case vents are not, check your hubs, power them on page 15. If they are not obstructed 10BASE-T cable with RJ-45 connectors. Maximum length of each hub. 2 Set all Uplink/Normal switches to Uplink (in) except for the top hub (the one with port 4 not connected to Normal (out). Figure 5 Correct Hub Connections Using 10BASE-T Switch set to Normal (out) Switches set to another hub). The Port Status LEDs...
... are problems with your network I Case vents are not, check your hubs, power them on page 15. If they are not obstructed 10BASE-T cable with RJ-45 connectors. Maximum length of each hub. 2 Set all Uplink/Normal switches to Uplink (in) except for the top hub (the one with port 4 not connected to Normal (out). Figure 5 Correct Hub Connections Using 10BASE-T Switch set to Normal (out) Switches set to another hub). The Port Status LEDs...
User Guide
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... your network (in which case the corresponding Port Status LED will change from yellow to partition. follow the information given for a 10BASE-T port. Check the AUI cable is usually a disconnected or damaged cable, or incorrect configuration. These problems are engaged. Perform these actions first: I Power off the hubs, wait about 5 seconds and then power on the port. Examine your connections and remove the loop. Port Status LED yellow for your power adapter connection...
... your network (in which case the corresponding Port Status LED will change from yellow to partition. follow the information given for a 10BASE-T port. Check the AUI cable is usually a disconnected or damaged cable, or incorrect configuration. These problems are engaged. Perform these actions first: I Power off the hubs, wait about 5 seconds and then power on the port. Examine your connections and remove the loop. Port Status LED yellow for your power adapter connection...
User Guide
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Port Status LED not lit for a 10BASE-T port that the Uplink/Normal switch is powered on and operating correctly. Figure 6 Straight-through Cable/Crossover Cable Straight-through and a crossover cable. Pins 4, 5, 7 and 8 are not used 16 Check that you are using a straight-through 10BASE-T cable which is properly connected at both ends, and is a problem with this connection. Refer to Figure 6 below to compare the wiring of a straight-through...
Port Status LED not lit for a 10BASE-T port that the Uplink/Normal switch is powered on and operating correctly. Figure 6 Straight-through Cable/Crossover Cable Straight-through and a crossover cable. Pins 4, 5, 7 and 8 are not used 16 Check that you are using a straight-through 10BASE-T cable which is properly connected at both ends, and is a problem with this connection. Refer to Figure 6 below to compare the wiring of a straight-through...
User Guide
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... powered on that the hub is being used. Nothing is OK. 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 link between the port and the next piece of each time a packet is detected on a port. Collision LED yellow Flashes each time a collision is received on the network. green - Port Status LEDs green/yellow Indicates the status of network equipment is connected...
... powered on that the hub is being used. Nothing is OK. 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 link between the port and the next piece of each time a packet is detected on a port. Collision LED yellow Flashes each time a collision is received on the network. green - Port Status LEDs green/yellow Indicates the status of network equipment is connected...
User Guide
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... connect a terminator (end piece) to it. Connecting OfficeConnect Ethernet Hubs Together You can start . CAUTION: Do not power the hub off and on quickly. When you can increase the number of the hub's 10BASE-T RJ-45 ports using both 10BASE-T and 10BASE-2. If you do not need more ports, simply add more OfficeConnect hubs. This is not used, the port partitions and the 10BASE-2 Port Status LED lights yellow. To connect a 10BASE-T cable...
... connect a terminator (end piece) to it. Connecting OfficeConnect Ethernet Hubs Together You can start . CAUTION: Do not power the hub off and on quickly. When you can increase the number of the hub's 10BASE-T RJ-45 ports using both 10BASE-T and 10BASE-2. If you do not need more ports, simply add more OfficeConnect hubs. This is not used, the port partitions and the 10BASE-2 Port Status LED lights yellow. To connect a 10BASE-T cable...
User Guide
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... terminated with 10BASE-2 cable to terminate the two free ends of the segment by fitting terminators (end pieces). Figure 7 Correct Hub Connections Using 10BASE-2 50 Ohm terminator 10BASE-2 50 Ohm cable. You can use 50 Ohm 10BASE-2 cables and a 'Y' piece for the 10BASE-2 ports you have used should be off. Minimum length of the segment are not, check your hubs, power them on. When using 10BASE-2 cable, it . The Port Status LEDs...
... terminated with 10BASE-2 cable to terminate the two free ends of the segment by fitting terminators (end pieces). Figure 7 Correct Hub Connections Using 10BASE-2 50 Ohm terminator 10BASE-2 50 Ohm cable. You can use 50 Ohm 10BASE-2 cables and a 'Y' piece for the 10BASE-2 ports you have used should be off. Minimum length of the segment are not, check your hubs, power them on. When using 10BASE-2 cable, it . The Port Status LEDs...
User Guide
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... Port Status LEDs for the 10BASE-T ports you have connected your connections. If they are not obstructed. This is set to Normal (out). I The Alert LED is secure and not pulled taut. 21 Switch set to Uplink (in) Switch set to another hub). If the 10BASE-2 port is not used should be green. If you have used and is a problem, refer to "Problem Solving for the top hub (the one with your network...
... Port Status LEDs for the 10BASE-T ports you have connected your connections. If they are not obstructed. This is set to Normal (out). I The Alert LED is secure and not pulled taut. 21 Switch set to Uplink (in) Switch set to another hub). If the 10BASE-2 port is not used should be green. If you have used and is a problem, refer to "Problem Solving for the top hub (the one with your network...
User Guide
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... Port Status LED yellow for a 10BASE-T port. Link between two OfficeConnect hubs not working. With 10BASE-T it is likely a terminator (end piece) is still no power, you when detecting and solving possible problems with the hub. The port has partitioned. Check your connections and remove the loop. PROBLEM SOLVING FOR THE HUB 8 AND 8C The OfficeConnect hub has been designed to aid you may have a faulty power adapter which needs replacing...
... Port Status LED yellow for a 10BASE-T port. Link between two OfficeConnect hubs not working. With 10BASE-T it is likely a terminator (end piece) is still no power, you when detecting and solving possible problems with the hub. The port has partitioned. Check your connections and remove the loop. PROBLEM SOLVING FOR THE HUB 8 AND 8C The OfficeConnect hub has been designed to aid you may have a faulty power adapter which needs replacing...
User Guide
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... check that the Uplink/Normal switch is set to compare the wiring of a straight-through and a crossover cable. Check that has a connection. Figure 9 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- Tx- 7 7 8 8 Normal Pin port 1 Rx+ 2 Rx- 3 Tx+ 4 5 6 Tx- 7 8 23 There is a problem with this connection. Port Status LED not lit for a 10BASE-T port that you are using...
... check that the Uplink/Normal switch is set to compare the wiring of a straight-through and a crossover cable. Check that has a connection. Figure 9 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- Tx- 7 7 8 8 Normal Pin port 1 Rx+ 2 Rx- 3 Tx+ 4 5 6 Tx- 7 8 23 There is a problem with this connection. Port Status LED not lit for a 10BASE-T port that you are using...
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... a problem with 10BASE-2 cable, via single speed hubs, the entire cable forms a single segment. Networks vary in traffic. An AUI (Attachment Unit Interface) port is a collection of workstations (for example, IBM-compatible personal computers) and other equipment (for example, printers), connected for connecting your workstations and other equipment send to each other type. Ethernet is a type of LAN, referring to the technology used to connect 10Mbps Ethernet transceivers to network equipment (Hub...
... a problem with 10BASE-2 cable, via single speed hubs, the entire cable forms a single segment. Networks vary in traffic. An AUI (Attachment Unit Interface) port is a collection of workstations (for example, IBM-compatible personal computers) and other equipment (for example, printers), connected for connecting your workstations and other equipment send to each other type. Ethernet is a type of LAN, referring to the technology used to connect 10Mbps Ethernet transceivers to network equipment (Hub...
User Guide
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...installed and used only with cables which can be used in accordance with the European Low Voltage Directive 73/23/EEC and EMC Directive 89/336/EEC as amended by one or more of the following booklet prepared by turning...instructions, may find the following measures: I Reorient the receiving antenna. VCCI STATEMENT BSMI STATEMENT INFORMATION TO THE USER The user may cause harmful interference to radio communications. Cet appareil numérique de... Class B digital device, pursuant to Part 15 of the FCC Rules, and... and Resolve Radio-TV Interference Problems This booklet is available from...
...installed and used only with cables which can be used in accordance with the European Low Voltage Directive 73/23/EEC and EMC Directive 89/336/EEC as amended by one or more of the following booklet prepared by turning...instructions, may find the following measures: I Reorient the receiving antenna. VCCI STATEMENT BSMI STATEMENT INFORMATION TO THE USER The user may cause harmful interference to radio communications. Cet appareil numérique de... Class B digital device, pursuant to Part 15 of the FCC Rules, and... and Resolve Radio-TV Interference Problems This booklet is available from...