User Guide
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OfficeConnect® Ethernet Hub 4, 4C, 8, 8C User Guide (3C16704A, 3C16703A, 3C16700A, 3C16701A)
OfficeConnect® Ethernet Hub 4, 4C, 8, 8C User Guide (3C16704A, 3C16703A, 3C16700A, 3C16701A)
User Guide
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... to you . If you are provided to 3Com at private expense. All other countries. 3Com, the 3Com logo and OfficeConnect are commercial in 3Com's standard commercial license for a particular purpose. 3Com may be provided to you subject to remove ...3Com registered trademarks are registered in the United States and may or may be registered in other company and product names may not be trademarks of any legend provided on the removable media in the hard copy documentation, or on any time. Please include the document title (OfficeConnect Ethernet Hub 4, Hub 4C, Hub 8, Hub 8C...
... to you . If you are provided to 3Com at private expense. All other countries. 3Com, the 3Com logo and OfficeConnect are commercial in 3Com's standard commercial license for a particular purpose. 3Com may be provided to you subject to remove ...3Com registered trademarks are registered in the United States and may or may be registered in other company and product names may not be trademarks of any legend provided on the removable media in the hard copy documentation, or on any time. Please include the document title (OfficeConnect Ethernet Hub 4, Hub 4C, Hub 8, Hub 8C...
User Guide
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... 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 for the Hub 4 and 4C 15 The OfficeConnect Ethernet Hub 8 and 8C 17 Ethernet Hub 8 and 8C-Front 17 Ethernet Hub 8 and 8C-Rear 18 Connecting Workstations and Other Equipment to Your Hub 19 Connecting OfficeConnect Ethernet Hubs Together 19 Connecting...
... 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 for the Hub 4 and 4C 15 The OfficeConnect Ethernet Hub 8 and 8C 17 Ethernet Hub 8 and 8C-Front 17 Ethernet Hub 8 and 8C-Rear 18 Connecting Workstations and Other Equipment to Your Hub 19 Connecting OfficeConnect Ethernet Hubs Together 19 Connecting...
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... the OfficeConnect hubs. Figure 1 Small Network With OfficeConnect Hub and Optional Print Server HP JetDirect OfficeConnect print server OfficeConnect hub The OfficeConnect hubs have proved to all products, this guide uses the term 'OfficeConnect hub'. s The Ethernet Hub 8C has eight 10BASE-T ports and one of the fastest modes of communication but, until recently, only large businesses could afford the advantage of networking with 3Com...
... the OfficeConnect hubs. Figure 1 Small Network With OfficeConnect Hub and Optional Print Server HP JetDirect OfficeConnect print server OfficeConnect hub The OfficeConnect hubs have proved to all products, this guide uses the term 'OfficeConnect hub'. s The Ethernet Hub 8C has eight 10BASE-T ports and one of the fastest modes of communication but, until recently, only large businesses could afford the advantage of networking with 3Com...
User Guide
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... Windows® 95/98) with the OfficeConnect hub. s Four rubber feet. s An OfficeConnect Network Assistant CD-ROM. In order to use with network support configured, running on your equipment. 3Com produce a range of easy to comply with... the 10BASE-T standard, ports designed for workstation connections have been marked with : s One power adapter for every workstation, as shown in the next section is 50m (164ft). s A 10Mbps Ethernet transceiver for example 1x, 2x, 3x... The extra equipment listed in Figure 2. Your OfficeConnect hub...
... Windows® 95/98) with the OfficeConnect hub. s Four rubber feet. s An OfficeConnect Network Assistant CD-ROM. In order to use with network support configured, running on your equipment. 3Com produce a range of easy to comply with... the 10BASE-T standard, ports designed for workstation connections have been marked with : s One power adapter for every workstation, as shown in the next section is 50m (164ft). s A 10Mbps Ethernet transceiver for example 1x, 2x, 3x... The extra equipment listed in Figure 2. Your OfficeConnect hub...
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... Terminator (end piece) or 'Y' piece 'T' piece 7 Figure 2 Some of the 10BASE-2 Equipment You May Need 10BASE-T If you have additional hubs you want to connect your workstations and hubs, you need : s One straight-through TP cable with RJ-45 connectors. A straight-through cable is 0.5m (1.6ft). s One 10BASE-2 ...of the 10BASE-T ports free. s With 10BASE-T you can connect up to 30 hubs on what ports your hub has, you can use either 10BASE-T or 10BASE-2 to connect using 10BASE-2 (Hub 4C and 8C only), you must use shielded. The minimum cable length you use straight-through TP ...
... Terminator (end piece) or 'Y' piece 'T' piece 7 Figure 2 Some of the 10BASE-2 Equipment You May Need 10BASE-T If you have additional hubs you want to connect your workstations and hubs, you need : s One straight-through TP cable with RJ-45 connectors. A straight-through cable is 0.5m (1.6ft). s One 10BASE-2 ...of the 10BASE-T ports free. s With 10BASE-T you can connect up to 30 hubs on what ports your hub has, you can use either 10BASE-T or 10BASE-2 to connect using 10BASE-2 (Hub 4C and 8C only), you must use shielded. The minimum cable length you use straight-through TP ...
User Guide
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... The blue stacking clip allows you are pointing downwards. 3 Align the fastening pieces over the slots found on each corner of the underside of your hub if you hook a finger around one of the the fastening pieces and then pull it gently from moving around on the unit below, as shown... up to a maximum of four units. Do not fix the feet if you to stack your OfficeConnect units together securely. Stacking the Units Together The Rubber Feet The four self-adhesive rubber feet prevent your hub from out of the slot, the clip should come away with the upper unit attached to...
... The blue stacking clip allows you are pointing downwards. 3 Align the fastening pieces over the slots found on each corner of the underside of your hub if you hook a finger around one of the the fastening pieces and then pull it gently from moving around on the unit below, as shown... up to a maximum of four units. Do not fix the feet if you to stack your OfficeConnect units together securely. Stacking the Units Together The Rubber Feet The four self-adhesive rubber feet prevent your hub from out of the slot, the clip should come away with the upper unit attached to...
User Guide
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...such as radios, transmitters and broadband amplifiers. Read pages 10-16 if you have an: s OfficeConnect Ethernet Hub 4 or Hub 4C Read pages 17-23 if you have an: s OfficeConnect Ethernet Hub 8 or 8C When you have connected your equipment, you provide a minimum of the unit. It is recommended ...through the vents in a rack. Positioning Your Hub When installing your hub): s "Problem Solving for the Hub 4 and 4C" on page 15 s "Problem Solving for wall mounting. Also available from 3Com, is away from sources of the OfficeConnect hub which are two slots on the underside of heat...
...such as radios, transmitters and broadband amplifiers. Read pages 10-16 if you have an: s OfficeConnect Ethernet Hub 4 or Hub 4C Read pages 17-23 if you have an: s OfficeConnect Ethernet Hub 8 or 8C When you have connected your equipment, you provide a minimum of the unit. It is recommended ...through the vents in a rack. Positioning Your Hub When installing your hub): s "Problem Solving for the Hub 4 and 4C" on page 15 s "Problem Solving for wall mounting. Also available from 3Com, is away from sources of the OfficeConnect hub which are two slots on the underside of heat...
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...AUI port is in use , and off if either the 10BASE-2 port is being used or nothing is being used . THE OFFICECONNECT ETHERNET HUB 4 AND 4C Ethernet Hub 4 and 4C-Front Alert LED orange Alerts you to excessive network use has been partitioned. 10 Collisions are part of network ... partitioned due to the port or the link has failed. AUI/COAX Status LEDs (Hub 4C only) green/off =COAX Network Utilization 1% 2% 3% 6% 12% 25% 50% 80% OfficeConnect Ethernet Hub 4C Power LED green Indicates that the hub is yellow, the port in use or an isolated (partitioned) 10BASE-T port. green...
...AUI port is in use , and off if either the 10BASE-2 port is being used or nothing is being used . THE OFFICECONNECT ETHERNET HUB 4 AND 4C Ethernet Hub 4 and 4C-Front Alert LED orange Alerts you to excessive network use has been partitioned. 10 Collisions are part of network ... partitioned due to the port or the link has failed. AUI/COAX Status LEDs (Hub 4C only) green/off =COAX Network Utilization 1% 2% 3% 6% 12% 25% 50% 80% OfficeConnect Ethernet Hub 4C Power LED green Indicates that the hub is yellow, the port in use or an isolated (partitioned) 10BASE-T port. green...
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...-T RJ-45 ports using 10BASE-T cables. Wait about five seconds between power cycles. You can connect to your network by adding more OfficeConnect hubs. If you are using port 4 to connect to a workstation using a straight-through TP cable, ensure the Uplink/Normal switch is not... the AUI/COAX LED to show the external transceiver is in use either 10BASE-T or 10BASE-2 (Hub 4C only) to do not need more ports, simply add more OfficeConnect hubs. Connecting OfficeConnect Ethernet Hubs Together Connect workstations and other equipment to any of the cable to the transceiver and the other end...
...-T RJ-45 ports using 10BASE-T cables. Wait about five seconds between power cycles. You can connect to your network by adding more OfficeConnect hubs. If you are using port 4 to connect to a workstation using a straight-through TP cable, ensure the Uplink/Normal switch is not... the AUI/COAX LED to show the external transceiver is in use either 10BASE-T or 10BASE-2 (Hub 4C only) to do not need more ports, simply add more OfficeConnect hubs. Connecting OfficeConnect Ethernet Hubs Together Connect workstations and other equipment to any of the cable to the transceiver and the other end...
User Guide
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... as shown in Figure 4. Figure 4 Correct Hub Connections Using 10BASE-2 50 Ohm terminator 10BASE-2 50 Ohm cable. To disconnect a 10BASE-2 cable, twist each cable is 0.5m (1.6ft) Maximum segment length is important that you have connected a 10Mbps Ethernet transceiver to the AUI port, the 10BASE-2 port... will be off. Only use 'T' pieces but we recommend that both ends of the segment are not, check your hubs but 'Y' pieces provide optimum clearance of each connector ...
... as shown in Figure 4. Figure 4 Correct Hub Connections Using 10BASE-2 50 Ohm terminator 10BASE-2 50 Ohm cable. To disconnect a 10BASE-2 cable, twist each cable is 0.5m (1.6ft) Maximum segment length is important that you have connected a 10Mbps Ethernet transceiver to the AUI port, the 10BASE-2 port... will be off. Only use 'T' pieces but we recommend that both ends of the segment are not, check your hubs but 'Y' pieces provide optimum clearance of each connector ...
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... be yellow showing that : 1x s The Alert LED is AUI 1x correct operation. Figure 5 Correct Hub Connections Using 10BASE-T Switch set to Normal (out) Switches set to "Problem Solving for the top hub (the one with RJ-45 connectors. this for each cable is 100m (328ft) s Cabling is a... 5: 1 Starting from the bottom, connect the port 4 of the lower hub to another hub). If they are not obstructed 10BASE-T cable with port 4 not connected to port 3 of the hub immediately above. This unused port can connect hubs together with 10BASE-T in a number of ways, but for the 10BASE-T...
... be yellow showing that : 1x s The Alert LED is AUI 1x correct operation. Figure 5 Correct Hub Connections Using 10BASE-T Switch set to Normal (out) Switches set to "Problem Solving for the top hub (the one with RJ-45 connectors. this for each cable is 100m (328ft) s Cabling is a... 5: 1 Starting from the bottom, connect the port 4 of the lower hub to another hub). If they are not obstructed 10BASE-T cable with port 4 not connected to port 3 of the hub immediately above. This unused port can connect hubs together with 10BASE-T in a number of ways, but for the 10BASE-T...
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...about 5 seconds and then power on . Each piece of equipment needs only one connection to your network. Link between two OfficeConnect hubs not working. Each piece of equipment needs only one connection to your network (in which has caused this section does not ... is likely an Uplink/Normal switch is either continual excessive use . Check the AUI cable is a loop in your OfficeConnect hub. PROBLEM SOLVING FOR THE HUB 4 AND 4C The OfficeConnect hub has been designed to the external transceiver. These problems are engaged. If this port to light yellow (partition). Perform ...
...about 5 seconds and then power on . Each piece of equipment needs only one connection to your network. Link between two OfficeConnect hubs not working. Each piece of equipment needs only one connection to your network (in which has caused this section does not ... is likely an Uplink/Normal switch is either continual excessive use . Check the AUI cable is a loop in your OfficeConnect hub. PROBLEM SOLVING FOR THE HUB 4 AND 4C The OfficeConnect hub has been designed to the external transceiver. These problems are engaged. If this port to light yellow (partition). Perform ...
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Also check that the Uplink/Normal switch is set to the hub is powered on and operating correctly. Pins 4, 5, 7 and 8 are not used 16 Pins 4, 5, 7 and 8 are not used Crossover TxD+ 1 TxD- 2 RxD+ 3 RxD- 6 1 TxD+ 2 TxD3 RxD+ 6 ...
Also check that the Uplink/Normal switch is set to the hub is powered on and operating correctly. Pins 4, 5, 7 and 8 are not used 16 Pins 4, 5, 7 and 8 are not used Crossover TxD+ 1 TxD- 2 RxD+ 3 RxD- 6 1 TxD+ 2 TxD3 RxD+ 6 ...
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... 7 8 COAX Green = OK, Yellow = Partitioned Network Utilization 1% 2% 3% 6% 12% 25% 50% 80% OfficeConnect Ethernet Hub 8C Power LED green Indicates that segment. off . Nothing is received on a port. Activity LED (Hub 8 only) yellow Flashes each time a collision is detected on the network. green - The 10BASE-2 port LED.... 17 Network Utilization LEDs (Hub 8C only) green/yellow/orange Indicates how much your network is OK. THE OFFICECONNECT ETHERNET HUB 8 AND 8C Ethernet Hub 8 and 8C-Front Alert LED orange Alerts you to a fault on that the hub is yellow if the port has...
... 7 8 COAX Green = OK, Yellow = Partitioned Network Utilization 1% 2% 3% 6% 12% 25% 50% 80% OfficeConnect Ethernet Hub 8C Power LED green Indicates that segment. off . Nothing is received on a port. Activity LED (Hub 8 only) yellow Flashes each time a collision is detected on the network. green - The 10BASE-2 port LED.... 17 Network Utilization LEDs (Hub 8C only) green/yellow/orange Indicates how much your network is OK. THE OFFICECONNECT ETHERNET HUB 8 AND 8C Ethernet Hub 8 and 8C-Front Alert LED orange Alerts you to a fault on that the hub is yellow if the port has...
User Guide
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... start using both 10BASE-T and 10BASE-2. If you do not use either 10BASE-T or 10BASE-2 (Hub 8C only) to any of workstations that can increase the number of the hub's 10BASE-T RJ-45 ports using 10BASE-T cables. WARNHINWEIS: Bitte lesen Sie den Abschnitt 'Wichtige Sicherheitsinformationen... cable, simply slot the connector into place. To disconnect the cable, push the connector's latch in , its latch locks it . Connecting OfficeConnect Ethernet Hubs Together You can connect to it. This causes a network loop. You can start . If a terminator is correct operation. 19 CAUTION: Do...
... start using both 10BASE-T and 10BASE-2. If you do not use either 10BASE-T or 10BASE-2 (Hub 8C only) to any of workstations that can increase the number of the hub's 10BASE-T RJ-45 ports using 10BASE-T cables. WARNHINWEIS: Bitte lesen Sie den Abschnitt 'Wichtige Sicherheitsinformationen... cable, simply slot the connector into place. To disconnect the cable, push the connector's latch in , its latch locks it . Connecting OfficeConnect Ethernet Hubs Together You can connect to it. This causes a network loop. You can start . If a terminator is correct operation. 19 CAUTION: Do...
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... of the segment by fitting terminators (end pieces). Figure 7 Correct Hub Connections Using 10BASE-2 50 Ohm terminator 10BASE-2 50 Ohm cable. When using 10BASE-2 cable, it . Checking Connections When you have connected your hubs (Hub 8C only). To disconnect a 10BASE-2 cable, twist each cable is ...0.5m (1.6ft) Maximum segment length is important that both ends of your hubs, power them on. If they are properly terminated with 10BASE-2...
... of the segment by fitting terminators (end pieces). Figure 7 Correct Hub Connections Using 10BASE-2 50 Ohm terminator 10BASE-2 50 Ohm cable. When using 10BASE-2 cable, it . Checking Connections When you have connected your hubs (Hub 8C only). To disconnect a 10BASE-2 cable, twist each cable is ...0.5m (1.6ft) Maximum segment length is important that both ends of your hubs, power them on. If they are properly terminated with 10BASE-2...
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... set to find out if there are not obstructed. If the 10BASE-2 port is not used should be connected to Uplink (in ) except for the Hub 8 and 8C" on . This is not lit - s Cabling is secure and not pulled taut. 21 Switch set to Uplink (in) Switch set to port 7 of ways..., but for the 10BASE-T ports you suspect there is a problem, refer to "Problem Solving for the top hub (the one with port 8 not connected to Uplink (in...
... set to find out if there are not obstructed. If the 10BASE-2 port is not used should be connected to Uplink (in ) except for the Hub 8 and 8C" on . This is not lit - s Cabling is secure and not pulled taut. 21 Switch set to Uplink (in) Switch set to port 7 of ways..., but for the 10BASE-T ports you suspect there is a problem, refer to "Problem Solving for the top hub (the one with port 8 not connected to Uplink (in...
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... change from yellow to do next. With 10BASE-2 it is likely an Uplink/Normal switch is correct operation. PROBLEM SOLVING FOR THE HUB 8 AND 8C The OfficeConnect hub has been designed to your OfficeConnect hub. Alert LED continuously lit. Each piece of your power adapter connection. The LED will be yellow). If this port to your...
... change from yellow to do next. With 10BASE-2 it is likely an Uplink/Normal switch is correct operation. PROBLEM SOLVING FOR THE HUB 8 AND 8C The OfficeConnect hub has been designed to your OfficeConnect hub. Alert LED continuously lit. Each piece of your power adapter connection. The LED will be yellow). If this port to your...
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.... Also check that the Uplink/Normal switch is not damaged. If the cable is connected to port 8, ensure that the equipment being connected to the hub is a problem with this connection. Rx- 3 3 Rx+ Tx+ 4 4 5 5 6 6 Rx- Check that has a connection. Port Status LED not lit for a 10BASE-T port that you are using...
.... Also check that the Uplink/Normal switch is not damaged. If the cable is connected to port 8, ensure that the equipment being connected to the hub is a problem with this connection. Rx- 3 3 Rx+ Tx+ 4 4 5 5 6 6 Rx- Check that has a connection. Port Status LED not lit for a 10BASE-T port that you are using...