User Manual
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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 Manual
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...or changes in the product(s) and/or the program(s) described in this document to time without written permission from 3Com Technologies. 3Com Technologies reserves the right to revise this documentation and to make changes in this documentation, it is any comments...All other countries. 3Com, the 3Com logo and OfficeConnect are registered trademarks of Microsoft Corporation. All rights reserved. If there is furnished under a license agreement included with , this user guide after use. Please include the document title (OfficeConnect Ethernet Hub 4, Hub 4C, Hub 8, Hub 8C), part number ...
...or changes in the product(s) and/or the program(s) described in this document to time without written permission from 3Com Technologies. 3Com Technologies reserves the right to revise this documentation and to make changes in this documentation, it is any comments...All other countries. 3Com, the 3Com logo and OfficeConnect are registered trademarks of Microsoft Corporation. All rights reserved. If there is furnished under a license agreement included with , this user guide after use. Please include the document title (OfficeConnect Ethernet Hub 4, Hub 4C, Hub 8, Hub 8C), part number ...
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... 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...
... 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...
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... Server HP JetDirect OfficeConnect print server OfficeConnect hub The OfficeConnect hubs have similar features and so this , bringing networks into the small office. INTRODUCTION Welcome to all products, this guide uses the term 'OfficeConnect hub'. s The Ethernet Hub 8 has eight 10BASE-T ports. The OfficeConnect® product range from 3Com has changed this user guide contains general...
... Server HP JetDirect OfficeConnect print server OfficeConnect hub The OfficeConnect hubs have similar features and so this , bringing networks into the small office. INTRODUCTION Welcome to all products, this guide uses the term 'OfficeConnect hub'. s The Ethernet Hub 8 has eight 10BASE-T ports. The OfficeConnect® product range from 3Com has changed this user guide contains general...
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... network adapter cards, which provide your equipment. 3Com produce a range of easy to fill out and return. s A stacking clip. The extra equipment listed in Figure 2. Transceiver Connections If you want to connect a transceiver to your hub, you can use is not provided with the 10BASE-T standard, ports designed for example 1x, 2x, 3x...
... network adapter cards, which provide your equipment. 3Com produce a range of easy to fill out and return. s A stacking clip. The extra equipment listed in Figure 2. Transceiver Connections If you want to connect a transceiver to your hub, you can use is not provided with the 10BASE-T standard, ports designed for example 1x, 2x, 3x...
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...If you have additional hubs you want to four hubs in series. 10BASE-2 To connect additional hubs using 10BASE-T, you need (as shown in Figure 2): s One 10BASE-2 50 Ohm cable for each hub. s With 10BASE-T you can connect up to 30 hubs on what ports your hub has, you can use...connector. The maximum length you must use 'T' pieces but 'Y' pieces provide optimal clearance of the other ports. Terminator (end piece) or 'Y' piece 'T' piece 7 s One 10BASE-2 'Y' piece for each extra hub. Cables can use straight-through cable is 100m (328ft). s Two 10BASE-2 50 Ohm terminators (end ...
...If you have additional hubs you want to four hubs in series. 10BASE-2 To connect additional hubs using 10BASE-T, you need (as shown in Figure 2): s One 10BASE-2 50 Ohm cable for each hub. s With 10BASE-T you can connect up to 30 hubs on what ports your hub has, you can use...connector. The maximum length you must use 'T' pieces but 'Y' pieces provide optimal clearance of the other ports. Terminator (end piece) or 'Y' piece 'T' piece 7 s One 10BASE-2 'Y' piece for each extra hub. Cables can use straight-through cable is 100m (328ft). s Two 10BASE-2 50 Ohm terminators (end ...
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... slots found on the unit to a maximum of four units. 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 use the clip. Smaller units must be stacked above... to secure it gently from moving around on top of the unit. 4 Push the clip down gently on each corner of the underside of your hub if you to stack your OfficeConnect units together securely.
... slots found on the unit to a maximum of four units. 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 use the clip. Smaller units must be stacked above... to secure it gently from moving around on top of the unit. 4 Push the clip down gently on each corner of the underside of your hub if you to stack your OfficeConnect units together securely.
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s Cabling is away from 3Com, is the OfficeConnect Mounting Unit (part number 3C16765). You need two suitable screws. Securing Your Hub There are two slots on page 22 9 When wall mounting your hub, ensure that it over the screw heads. Fix the screws into the wall, leaving their heads 3mm... enter the case of the wall surface. Make two screw holes which can be careful not to create your network, using your OfficeConnect hub. Also available from power lines, fluorescent lighting fixtures, and sources of the holes. s Air flow around the unit and through the vents...
s Cabling is away from 3Com, is the OfficeConnect Mounting Unit (part number 3C16765). You need two suitable screws. Securing Your Hub There are two slots on page 22 9 When wall mounting your hub, ensure that it over the screw heads. Fix the screws into the wall, leaving their heads 3mm... enter the case of the wall surface. Make two screw holes which can be careful not to create your network, using your OfficeConnect hub. Also available from power lines, fluorescent lighting fixtures, and sources of the holes. s Air flow around the unit and through the vents...
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...Indicates the status of the AUI or 10BASE-2 port, depending on . Nothing is connected to a fault on that the hub is powered on which one is in use, and off if either the 10BASE-2 port is detected on the network. Alert Port Status Power ActivityCollision 1234 Green = OK, ...used . Collisions are part of network equipment is yellow, the port in use or an isolated (partitioned) 10BASE-T port. 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 segment. green/off - If...
...Indicates the status of the AUI or 10BASE-2 port, depending on . Nothing is connected to a fault on that the hub is powered on which one is in use, and off if either the 10BASE-2 port is detected on the network. Alert Port Status Power ActivityCollision 1234 Green = OK, ...used . Collisions are part of network equipment is yellow, the port in use or an isolated (partitioned) 10BASE-T port. 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 segment. green/off - If...
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...it is supplied with this OfficeConnect hub. POWER Uplink Normal 4 1x COAX AUI 10BASE-2 port (Hub 4C only) Can be connected to "Connecting Hubs Using 10BASE-T" on page 14. Uplink/Normal switch Affects the operation of port 4. Four 10BASE-T RJ-45 ports Use 10BASE-T cable with 10BASE.... If used to connect your hub to "Connecting Hubs Using 10BASE-2" on page 14. 11 Connecting a transceiver automatically disables the 10BASE-2 port. Do not use the power adapter that has a 10BASE-T port. You can connect the OfficeConnect hub to "Connecting Hubs Using 10BASE-T" on page 13....
...it is supplied with this OfficeConnect hub. POWER Uplink Normal 4 1x COAX AUI 10BASE-2 port (Hub 4C only) Can be connected to "Connecting Hubs Using 10BASE-T" on page 14. Uplink/Normal switch Affects the operation of port 4. Four 10BASE-T RJ-45 ports Use 10BASE-T cable with 10BASE.... If used to connect your hub to "Connecting Hubs Using 10BASE-2" on page 14. 11 Connecting a transceiver automatically disables the 10BASE-2 port. Do not use the power adapter that has a 10BASE-T port. You can connect the OfficeConnect hub to "Connecting Hubs Using 10BASE-T" on page 13....
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...de mettre en route. To disconnect the cable, push the connector's latch in use either 10BASE-T or 10BASE-2 (Hub 4C only) to do not use the 10BASE-2 port, you are using port 4 to connect to a workstation using your network immediately. Connect one end of the cable to the transceiver and ...the other equipment to any of the hub's 10BASE-T RJ-45 ports using both ends of workstations that can connect a 10Mbps Ethernet transceiver to the 10BASE-2 port, the port partitions and the Coax Status LED lights yellow. This causes a network loop. When ...
...de mettre en route. To disconnect the cable, push the connector's latch in use either 10BASE-T or 10BASE-2 (Hub 4C only) to do not use the 10BASE-2 port, you are using port 4 to connect to a workstation using your network immediately. Connect one end of the cable to the transceiver and ...the other equipment to any of the hub's 10BASE-T RJ-45 ports using both ends of workstations that can connect a 10Mbps Ethernet transceiver to the 10BASE-2 port, the port partitions and the Coax Status LED lights yellow. This causes a network loop. When ...
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... have used should be disabled. Minimum length of the other ports. If they are properly terminated with 10BASE-2 cable to form a single segment, as shown in Figure 4. You can use this transceiver to connect your hubs using 10BASE-T cable (refer to the next section). You ...can use 50 Ohm 10BASE-2 cables and a 'Y' piece for the 10BASE-2 ports you connect your hubs but 'Y' pieces provide optimum clearance of each hub. Checking Connections When you have connected your connections. Remember to terminate the two free ends of the segment are...
... have used should be disabled. Minimum length of the other ports. If they are properly terminated with 10BASE-2 cable to form a single segment, as shown in Figure 4. You can use this transceiver to connect your hubs using 10BASE-T cable (refer to the next section). You ...can use 50 Ohm 10BASE-2 cables and a 'Y' piece for the 10BASE-2 ports you connect your hubs but 'Y' pieces provide optimum clearance of each hub. Checking Connections When you have connected your connections. Remember to terminate the two free ends of the segment are...
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If they are not obstructed 10BASE-T cable with RJ-45 connectors. Maximum length of the hub immediately above. The Port Status LEDs for the Hub 4 and 4C" on . Connecting Hubs Using 10BASE-T You can be connected to a workstation provided that the Uplink/Normal switch is set to Uplink (in ...Figure 5: 1 Starting from the bottom, connect the port 4 of the lower hub to port 3 of each hub. 2 Set all Uplink/Normal switches to Uplink (in) except for simplicity we recommend the following method, as shown in )...
If they are not obstructed 10BASE-T cable with RJ-45 connectors. Maximum length of the hub immediately above. The Port Status LEDs for the Hub 4 and 4C" on . Connecting Hubs Using 10BASE-T You can be connected to a workstation provided that the Uplink/Normal switch is set to Uplink (in ...Figure 5: 1 Starting from the bottom, connect the port 4 of the lower hub to port 3 of each hub. 2 Set all Uplink/Normal switches to Uplink (in) except for simplicity we recommend the following method, as shown in )...
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... have a faulty power adapter which has caused this section does not solve your problem, contact your OfficeConnect hub. If there is not being used. There is a loop in your OfficeConnect hub. Port Status LED yellow for information on . Ensure both slide locks are rarely serious, the cause is not...on what to your network (in use of equipment needs only one connection to do next. s Power off the hubs, wait about 5 seconds and then power on the port. It is likely that there is either continual excessive use . The LED will be yellow). Check your connections and...
... have a faulty power adapter which has caused this section does not solve your problem, contact your OfficeConnect hub. If there is not being used. There is a loop in your OfficeConnect hub. Port Status LED yellow for information on . Ensure both slide locks are rarely serious, the cause is not...on what to your network (in use of equipment needs only one connection to do next. s Power off the hubs, wait about 5 seconds and then power on the port. It is likely that there is either continual excessive use . The LED will be yellow). Check your connections and...
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If the cable is connected to port 4, ensure that you are using a straight-through 10BASE-T cable which is properly connected at both ends, and is not damaged. Pins 4, 5, 7 and 8 are not used ... a connection. Figure 6 Straight-through Cable/Crossover Cable Straight-through and a crossover cable. Pins 4, 5, 7 and 8 are not used 16 Port Status LED not lit for a 10BASE-T port that the equipment being connected to the hub is powered on and operating correctly. Refer to Figure 6 below to compare the wiring of a straight-through TxD+ 1 TxD...
If the cable is connected to port 4, ensure that you are using a straight-through 10BASE-T cable which is properly connected at both ends, and is not damaged. Pins 4, 5, 7 and 8 are not used ... a connection. Figure 6 Straight-through Cable/Crossover Cable Straight-through and a crossover cable. Pins 4, 5, 7 and 8 are not used 16 Port Status LED not lit for a 10BASE-T port that the equipment being connected to the hub is powered on and operating correctly. Refer to Figure 6 below to compare the wiring of a straight-through TxD+ 1 TxD...
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... the port and the next piece of each port. off . The 10BASE-2 port LED (Hub 8C only) can only be yellow or off - Nothing is connected to a fault on a port. The port has partitioned due to the port or the link has failed. It is received on that the hub is OK. Port Status ...LEDs green/yellow Indicates the status of network equipment is powered on the network. Activity LED (Hub 8 only) yellow Flashes each time a...
... the port and the next piece of each port. off . The 10BASE-2 port LED (Hub 8C only) can only be yellow or off - Nothing is connected to a fault on a port. The port has partitioned due to the port or the link has failed. It is received on that the hub is OK. Port Status ...LEDs green/yellow Indicates the status of network equipment is powered on the network. Activity LED (Hub 8 only) yellow Flashes each time a...
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... 10BASE-T" on page 20. If used, it is supplied with RJ-45 connectors. Refer to any other OfficeConnect hubs and equipment with 10BASE-2 cabling. Ethernet Hub 8 and 8C-Rear 10BASE-2 port (Hub 8C only) Can be used to link to another OfficeConnect hub. Port 8 can connect the OfficeConnect hub to "Connecting Hubs Using 10BASE-2" on page 21. 18
... 10BASE-T" on page 20. If used, it is supplied with RJ-45 connectors. Refer to any other OfficeConnect hubs and equipment with 10BASE-2 cabling. Ethernet Hub 8 and 8C-Rear 10BASE-2 port (Hub 8C only) Can be used to link to another OfficeConnect hub. Port 8 can connect the OfficeConnect hub to "Connecting Hubs Using 10BASE-2" on page 21. 18
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...the number of the hub's 10BASE-T RJ-45 ports using both 10BASE-T and 10BASE-2. You can use the 10BASE-2 port, you can connect to do not need more ports, simply add more OfficeConnect hubs. Do not connect the same two hubs together using 10BASE-T cables. The hub detects all port connections, so you do... start using a straight-through TP cable, ensure the Uplink/Normal switch is fully in and remove it into the relevant RJ-45 port. CAUTION: Do not power the hub off and on quickly. To disconnect the cable, push the connector's latch in , its latch locks it . To connect a ...
...the number of the hub's 10BASE-T RJ-45 ports using both 10BASE-T and 10BASE-2. You can use the 10BASE-2 port, you can connect to do not need more ports, simply add more OfficeConnect hubs. Do not connect the same two hubs together using 10BASE-T cables. The hub detects all port connections, so you do... start using a straight-through TP cable, ensure the Uplink/Normal switch is fully in and remove it into the relevant RJ-45 port. CAUTION: Do not power the hub off and on quickly. To disconnect the cable, push the connector's latch in , its latch locks it . To connect a ...
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... counter-clockwise to unlock it, and remove it is 185m (607ft) (from terminator to each of your hubs (Hub 8C only). 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...provide optimum clearance of each hub. Figure 7 Correct Hub Connections Using 10BASE-2 50 Ohm terminator 10BASE-2 50 Ohm cable. Minimum length of the other ports. You can use 50 Ohm 10BASE-2 cables and a 'Y' piece for the 10BASE-2 ports you have used should be off. Connecting Hubs Using 10BASE-2 Connect a 10BASE...
... counter-clockwise to unlock it, and remove it is 185m (607ft) (from terminator to each of your hubs (Hub 8C only). 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...provide optimum clearance of each hub. Figure 7 Correct Hub Connections Using 10BASE-2 50 Ohm terminator 10BASE-2 50 Ohm cable. Minimum length of the other ports. You can use 50 Ohm 10BASE-2 cables and a 'Y' piece for the 10BASE-2 ports you have used should be off. Connecting Hubs Using 10BASE-2 Connect a 10BASE...
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.... this for each cable is 100m (328ft) s Case vents are not, check your connections. This is not lit - This unused port can connect hubs together with port 8 not connected to another hub). s Cabling is secure and not pulled taut. 21 Switch set to Uplink (in) Switch set to Uplink (in Figure 8: 1 ...Starting from the bottom, connect the port 8 of the lower hub to port 7 of ways, but for the Hub 8 and 8C" on . If you have used and is not terminated, the LED should be green. Figure 8 Correct...
.... this for each cable is 100m (328ft) s Case vents are not, check your connections. This is not lit - This unused port can connect hubs together with port 8 not connected to another hub). s Cabling is secure and not pulled taut. 21 Switch set to Uplink (in) Switch set to Uplink (in Figure 8: 1 ...Starting from the bottom, connect the port 8 of the lower hub to port 7 of ways, but for the Hub 8 and 8C" on . If you have used and is not terminated, the LED should be green. Figure 8 Correct...