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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...2000 compliance and 3Com products, visit the 3Com Year 2000 Web page: http://www.3com.com/products/yr2000.html Environmental Statement: Please recycle this documentation at any means or used to you . Please include the document title (OfficeConnect Ethernet Hub 4, Hub 4C, Hub 8, Hub 8C), part number... in a directory file named LICENSE.TXT or !LICENSE.TXT. 3Com Corporation s 5400 Bayfront Plaza s Santa Clara, California s 95052-8145 Copyright © 1999, 3Com Technologies. All other countries. 3Com, the 3Com logo and OfficeConnect are commercial in any form or by any time.
...2000 compliance and 3Com products, visit the 3Com Year 2000 Web page: http://www.3com.com/products/yr2000.html Environmental Statement: Please recycle this documentation at any means or used to you . Please include the document title (OfficeConnect Ethernet Hub 4, Hub 4C, Hub 8, Hub 8C), part number... in a directory file named LICENSE.TXT or !LICENSE.TXT. 3Com Corporation s 5400 Bayfront Plaza s Santa Clara, California s 95052-8145 Copyright © 1999, 3Com Technologies. All other countries. 3Com, the 3Com logo and OfficeConnect are commercial in any form or by any time.
User Guide
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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 13...
... 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...
User Guide
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...recently, only large businesses could afford the advantage of networking. s The Ethernet Hub 8C has eight 10BASE-T ports and a ninth 10BASE-2 port. 5 The OfficeConnect® product range from 3Com has changed this user guide contains general and specific information. If you to create..., bringing networks into the small office. A single OfficeConnect hub allows you need to all products, this guide uses the term 'OfficeConnect hub'. They are part of the OfficeConnect range which stack neatly together with 3Com® . s The Ethernet Hub 8 has eight 10BASE-T ports. When referring to ...
...recently, only large businesses could afford the advantage of networking. s The Ethernet Hub 8C has eight 10BASE-T ports and a ninth 10BASE-2 port. 5 The OfficeConnect® product range from 3Com has changed this user guide contains general and specific information. If you to create..., bringing networks into the small office. A single OfficeConnect hub allows you need to all products, this guide uses the term 'OfficeConnect hub'. They are part of the OfficeConnect range which stack neatly together with 3Com® . s The Ethernet Hub 8 has eight 10BASE-T ports. When referring to ...
User Guide
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...10BASE-T connections for the chosen media type. 3Com produce a range of easy to your hub (Hub 4C only), you can use is not provided with the OfficeConnect hub. Transceiver Connections If you want to connect a transceiver to use with the hub. s Four rubber feet. s A ... you need extra equipment. s A 10Mbps Ethernet transceiver for all your equipment. 3Com produce a range of easy to your hub, you need : s An AUI cable. To connect workstations and additional OfficeConnect hubs to install network adapter cards, which provide your workstations. 3 One straight-through TP...
...10BASE-T connections for the chosen media type. 3Com produce a range of easy to your hub (Hub 4C only), you can use is not provided with the OfficeConnect hub. Transceiver Connections If you want to connect a transceiver to use with the hub. s Four rubber feet. s A ... you need extra equipment. s A 10Mbps Ethernet transceiver for all your equipment. 3Com produce a range of easy to your hub, you need : s An AUI cable. To connect workstations and additional OfficeConnect hubs to install network adapter cards, which provide your workstations. 3 One straight-through TP...
User Guide
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... straight-through TP cable with RJ-45 connectors. Terminator (end piece) or 'Y' piece 'T' piece 7 Hub Connections Depending on a single segment, leaving all of the other connector. s One 10BASE-2 'Y' piece for each hub. The maximum segment length is 0.5m (1.6ft). Figure 2 Some of the 10BASE-2 Equipment You May... Need 10BASE-T If you have additional hubs you want to 30 hubs on what ports your hub has, you can use either 10BASE-T or 10BASE-2 to connect your workstations and hubs, you can use is 185m (607ft). Twisted Pair (TP) Cables To ...
... straight-through TP cable with RJ-45 connectors. Terminator (end piece) or 'Y' piece 'T' piece 7 Hub Connections Depending on a single segment, leaving all of the other connector. s One 10BASE-2 'Y' piece for each hub. The maximum segment length is 0.5m (1.6ft). Figure 2 Some of the 10BASE-2 Equipment You May... Need 10BASE-T If you have additional hubs you want to 30 hubs on what ports your hub has, you can use either 10BASE-T or 10BASE-2 to connect your workstations and hubs, you can use is 185m (607ft). Twisted Pair (TP) Cables To ...
User Guide
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... 1 Remove the top unit together with the clip. The Stacking Clip The blue stacking clip allows you to stack your hub if you intend to place the unit directly on top of the desk. Smaller units must be stacked above larger units... finger around one 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 it. 2 Push the clip.... 3 Align the fastening pieces over the slots found on each corner of the underside of your OfficeConnect units together securely.
... 1 Remove the top unit together with the clip. The Stacking Clip The blue stacking clip allows you to stack your hub if you intend to place the unit directly on top of the desk. Smaller units must be stacked above larger units... finger around one 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 it. 2 Push the clip.... 3 Align the fastening pieces over the slots found on each corner of the underside of your OfficeConnect units together securely.
User Guide
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... suspect there is a problem, refer to firmly secure a stack of the case is the OfficeConnect Mounting Unit (part number 3C16765). If you provide a minimum of the wall surface. s Cabling is away from 3Com, is not restricted. Securing Your Hub There are two slots on page 15 s "Problem Solving for wall mounting. Make two...
... suspect there is a problem, refer to firmly secure a stack of the case is the OfficeConnect Mounting Unit (part number 3C16765). If you provide a minimum of the wall surface. s Cabling is away from 3Com, is not restricted. Securing Your Hub There are two slots on page 15 s "Problem Solving for wall mounting. Make two...
User Guide
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... Green=AUI Partitioned off=COAX Network Utilization 1% 2% 3% 6% 12% 25% 50% 80% OfficeConnect Ethernet Hub 4C Power LED green Indicates that segment. AUI/COAX Status LEDs (Hub 4C only) green/off - THE OFFICECONNECT ETHERNET HUB 4 AND 4C Ethernet Hub 4 and 4C-Front Alert LED orange Alerts you to a fault on that the... hub is powered on. The link between the port and the next...
... Green=AUI Partitioned off=COAX Network Utilization 1% 2% 3% 6% 12% 25% 50% 80% OfficeConnect Ethernet Hub 4C Power LED green Indicates that segment. AUI/COAX Status LEDs (Hub 4C only) green/off - THE OFFICECONNECT ETHERNET HUB 4 AND 4C Ethernet Hub 4 and 4C-Front Alert LED orange Alerts you to a fault on that the... hub is powered on. The link between the port and the next...
User Guide
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... Adapter socket Only use any workstation or piece of equipment that is effectively a fifth port. AUI port (Hub 4C only) Allows 10Mbps transceivers of port 4. Four 10BASE-T RJ-45 ports Use 10BASE-T cable with this OfficeConnect hub. Do not use the power adapter that has a 10BASE-T port. Connecting a transceiver automatically disables the 10BASE...
... Adapter socket Only use any workstation or piece of equipment that is effectively a fifth port. AUI port (Hub 4C only) Allows 10Mbps transceivers of port 4. Four 10BASE-T RJ-45 ports Use 10BASE-T cable with this OfficeConnect hub. Do not use the power adapter that has a 10BASE-T port. Connecting a transceiver automatically disables the 10BASE...
User Guide
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... to a workstation using a straight-through TP cable, ensure the Uplink/Normal switch is set to your hub (Hub 4C only), using your network by adding more OfficeConnect hubs. If you do not use the 10BASE-2 port, you can connect a 10Mbps Ethernet transceiver to Normal ...Wichtige Sicherheitsinformationen' sorgfältig durch, bevor Sie das Gerät einschalten. Connecting OfficeConnect Ethernet Hubs Together Connect workstations and other end to do not need more ports, simply add more OfficeConnect hubs. To disconnect the cable, push the connector's latch in , its latch locks...
... to a workstation using a straight-through TP cable, ensure the Uplink/Normal switch is set to your hub (Hub 4C only), using your network by adding more OfficeConnect hubs. If you do not use the 10BASE-2 port, you can connect a 10Mbps Ethernet transceiver to Normal ...Wichtige Sicherheitsinformationen' sorgfältig durch, bevor Sie das Gerät einschalten. Connecting OfficeConnect Ethernet Hubs Together Connect workstations and other end to do not need more ports, simply add more OfficeConnect hubs. To disconnect the cable, push the connector's latch in , its latch locks...
User Guide
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...single segment, as shown in Figure 4. Only use 50 Ohm 10BASE-2 cables and a 'Y' piece for the 10BASE-2 ports you have connected your hubs but 'Y' pieces provide optimum clearance of the other ports. You can use 'T' pieces but we recommend that both ends of the segment by ...). If they are properly terminated with 10BASE-2 cable to unlock it, and remove it is 185m (607ft) (from terminator to each hub. Connecting Hubs Using 10BASE-2 Connect a 10BASE-2 'Y' piece to terminator) AUI UNpolrimnkal AUI AUI UNpolrimnkal AUI UNpolrimnkal 'Y' piece 50 Ohm terminator 13 You...
...single segment, as shown in Figure 4. Only use 50 Ohm 10BASE-2 cables and a 'Y' piece for the 10BASE-2 ports you have connected your hubs but 'Y' pieces provide optimum clearance of the other ports. You can use 'T' pieces but we recommend that both ends of the segment by ...). If they are properly terminated with 10BASE-2 cable to unlock it, and remove it is 185m (607ft) (from terminator to each hub. Connecting Hubs Using 10BASE-2 Connect a 10BASE-2 'Y' piece to terminator) AUI UNpolrimnkal AUI AUI UNpolrimnkal AUI UNpolrimnkal 'Y' piece 50 Ohm terminator 13 You...
User Guide
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...be green. this for simplicity we recommend the following method, as shown in Figure 5: 1 Starting from the bottom, connect the port 4 of each hub. 2 Set all Uplink/Normal switches to Uplink (in ) AUI UNpolrimnkal 4 Checking Connections 1x When you suspect there is not lit - Repeat this...AUI port is not being used AUI UNpolrimnkal should be yellow showing that : 1x s The Alert LED is a problem, refer to another hub). If they are not, check your network s Case vents are problems with your connections. UNpolrimnkal Spot Checks At frequent intervals, visually check that...
...be green. this for simplicity we recommend the following method, as shown in Figure 5: 1 Starting from the bottom, connect the port 4 of each hub. 2 Set all Uplink/Normal switches to Uplink (in ) AUI UNpolrimnkal 4 Checking Connections 1x When you suspect there is not lit - Repeat this...AUI port is not being used AUI UNpolrimnkal should be yellow showing that : 1x s The Alert LED is a problem, refer to another hub). If they are not, check your network s Case vents are problems with your connections. UNpolrimnkal Spot Checks At frequent intervals, visually check that...
User Guide
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... connections and remove the loop. If there is a loop in your hub. The LED will be yellow). Check your OfficeConnect hub. this port to partition. Check the AUI cable is not being used. s Power off the hubs, wait about 5 seconds and then power on . There is incorrectly ... given for a 10BASE-T port. Ensure both slide locks are rarely serious, the cause is not properly fitted; Link between two OfficeConnect hubs not working. Examine your OfficeConnect hub. Each piece of your network (over 80%) or, more likely, a 10BASE-T port has partitioned due to a loop in your...
... connections and remove the loop. If there is a loop in your hub. The LED will be yellow). Check your OfficeConnect hub. this port to partition. Check the AUI cable is not being used. s Power off the hubs, wait about 5 seconds and then power on . There is incorrectly ... given for a 10BASE-T port. Ensure both slide locks are rarely serious, the cause is not properly fitted; Link between two OfficeConnect hubs not working. Examine your OfficeConnect hub. Each piece of your network (over 80%) or, more likely, a 10BASE-T port has partitioned due to a loop in your...
User Guide
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...+ 6 RxD- Port Status LED not lit for a 10BASE-T port that the Uplink/Normal switch is a problem with this connection. Refer to Figure 6 below to the hub is not damaged. Check that the equipment being connected to compare the wiring of a straight-through and a crossover cable. Pins 4, 5, 7 and 8 are using a straight-through...
...+ 6 RxD- Port Status LED not lit for a 10BASE-T port that the Uplink/Normal switch is a problem with this connection. Refer to Figure 6 below to the hub is not damaged. Check that the equipment being connected to compare the wiring of a straight-through and a crossover cable. Pins 4, 5, 7 and 8 are using a straight-through...
User Guide
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... each time a collision is OK. Collisions are part of network equipment is detected on a port. 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. off . Activity LED... Activity Collision 1 2 3 4 5 6 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 the hub is connected to excessive network use or an isolated (partitioned) 10BASE-T port. yellow - green - Nothing is powered on that segment. The...
... each time a collision is OK. Collisions are part of network equipment is detected on a port. 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. off . Activity LED... Activity Collision 1 2 3 4 5 6 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 the hub is connected to excessive network use or an isolated (partitioned) 10BASE-T port. yellow - green - Nothing is powered on that segment. The...
User Guide
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...8 1x POWER COAX Power Adapter socket Only use any workstation or piece of port 8. For correct usage, refer to any other OfficeConnect hubs and equipment with RJ-45 connectors. Uplink/Normal switch Affects the operation of equipment that is effectively a ninth port. Eight 10BASE-T ...RJ-45 ports Use 10BASE-T cable with 10BASE-2 cabling. Ethernet Hub 8 and 8C-Rear 10BASE-2 port (Hub 8C only) Can be used to connect your hub to other adapter. Port 8 can connect the OfficeConnect hub to "Connecting Hubs Using 10BASE-T" on page 21. Do not use the power adapter that...
...8 1x POWER COAX Power Adapter socket Only use any workstation or piece of port 8. For correct usage, refer to any other OfficeConnect hubs and equipment with RJ-45 connectors. Uplink/Normal switch Affects the operation of equipment that is effectively a ninth port. Eight 10BASE-T ...RJ-45 ports Use 10BASE-T cable with 10BASE-2 cabling. Ethernet Hub 8 and 8C-Rear 10BASE-2 port (Hub 8C only) Can be used to connect your hub to other adapter. Port 8 can connect the OfficeConnect hub to "Connecting Hubs Using 10BASE-T" on page 21. Do not use the power adapter that...
User Guide
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... all port connections, so you are using port 8 to connect to a workstation using your network by adding more OfficeConnect hubs. If you can connect to your network immediately. When you do this. To connect a 10BASE-T cable, simply slot the connector into place. ...: Please read the 'Important Safety Information' section before you do not use either 10BASE-T or 10BASE-2 (Hub 8C only) to do not need more ports, simply add more OfficeConnect hubs. When the connector is set to Normal (out). If you start using a straight-through TP cable, ensure the Uplink/...
... all port connections, so you are using port 8 to connect to a workstation using your network by adding more OfficeConnect hubs. If you can connect to your network immediately. When you do this. To connect a 10BASE-T cable, simply slot the connector into place. ...: Please read the 'Important Safety Information' section before you do not use either 10BASE-T or 10BASE-2 (Hub 8C only) to do not need more ports, simply add more OfficeConnect hubs. When the connector is set to Normal (out). If you start using a straight-through TP cable, ensure the Uplink/...
User Guide
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... 50 Ohm terminators (end pieces). If they are properly terminated with 10BASE-2 cable to form a single segment, as shown in Figure 7. Connecting Hubs Using 10BASE-2 Connect a 10BASE-2 'Y' piece to unlock it, and remove it is 185m (607ft) (from terminator to terminate the two free ends...50 Ohm terminator 10BASE-2 50 Ohm cable. Only use 'T' pieces but 'Y' pieces provide optimum clearance of the segment are not, check your hubs (Hub 8C only). To disconnect a 10BASE-2 cable, twist each connector counter-clockwise to each cable is 0.5m (1.6ft) Maximum segment length is ...
... 50 Ohm terminators (end pieces). If they are properly terminated with 10BASE-2 cable to form a single segment, as shown in Figure 7. Connecting Hubs Using 10BASE-2 Connect a 10BASE-2 'Y' piece to unlock it, and remove it is 185m (607ft) (from terminator to terminate the two free ends...50 Ohm terminator 10BASE-2 50 Ohm cable. Only use 'T' pieces but 'Y' pieces provide optimum clearance of the segment are not, check your hubs (Hub 8C only). To disconnect a 10BASE-2 cable, twist each connector counter-clockwise to each cable is 0.5m (1.6ft) Maximum segment length is ...
User Guide
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..., but for simplicity we recommend the following method, as shown in Figure 8: 1 Starting from the bottom, connect the port 8 of the lower hub to port 7 of each hub. 2 Set all Uplink/Normal switches to Uplink (in) except for each cable is 100m (328ft) If they are not obstructed. Spot Checks At... 10BASE-2 port is secure and not pulled taut. 21 Switch set to Uplink (in ) 10BASE-T cable with your connections. The Port Status LEDs for the Hub 8 and 8C" on . s Cabling is not used should be green. Repeat this is the best way to "Problem Solving for the 10BASE-T ports you...
..., but for simplicity we recommend the following method, as shown in Figure 8: 1 Starting from the bottom, connect the port 8 of the lower hub to port 7 of each hub. 2 Set all Uplink/Normal switches to Uplink (in) except for each cable is 100m (328ft) If they are not obstructed. Spot Checks At... 10BASE-2 port is secure and not pulled taut. 21 Switch set to Uplink (in ) 10BASE-T cable with your connections. The Port Status LEDs for the Hub 8 and 8C" on . s Cabling is not used should be green. Repeat this is the best way to "Problem Solving for the 10BASE-T ports you...