User Guide
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... rights reserved. Please include the document title (OfficeConnect Ethernet Hub 4, Hub 4C, Hub 8, Hub 8C), part number (DUA1670-0AAA05) and, if appropriate, the page number. Novell and NetWare are registered trademarks of any legend provided on the part of 3Com Technologies to provide notification of such revision or change. 3Com Technologies provides this documentation may not be provided to 3Com at: pddtechpubs_comments@3Com.com. 3Com Corporation s 5400 Bayfront Plaza...
... rights reserved. Please include the document title (OfficeConnect Ethernet Hub 4, Hub 4C, Hub 8, Hub 8C), part number (DUA1670-0AAA05) and, if appropriate, the page number. Novell and NetWare are registered trademarks of any legend provided on the part of 3Com Technologies to provide notification of such revision or change. 3Com Technologies provides this documentation may not be provided to 3Com at: pddtechpubs_comments@3Com.com. 3Com Corporation s 5400 Bayfront Plaza...
User Guide
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... 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 for the Hub 4 and 4C 15 The OfficeConnect Ethernet Hub 8 and 8C 17 Ethernet Hub...
... 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 for the Hub 4 and 4C 15 The OfficeConnect Ethernet Hub 8 and 8C 17 Ethernet Hub...
User Guide
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... four products are part of the OfficeConnect range which stack neatly together with 3Com® . This user guide describes how to use the stacking clip to connect another OfficeConnect hub to connect more workstations, simply use the OfficeConnect hubs. If you to create a small network with up 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...
... four products are part of the OfficeConnect range which stack neatly together with 3Com® . This user guide describes how to use the stacking clip to connect another OfficeConnect hub to connect more workstations, simply use the OfficeConnect hubs. If you to create a small network with up 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...
User Guide
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... : s An AUI cable. s A stacking clip. s An OfficeConnect Network Assistant CD-ROM. The extra equipment listed in the port's internal wiring, for use transceivers. This denotes a crossover in the next section is 50m (164ft). Transceiver Connections If you want to connect a transceiver to fill out and return. Your OfficeConnect hub comes with: s One power adapter for example 1x, 2x, 3x... Workstation Connections To connect workstations and other...
... : s An AUI cable. s A stacking clip. s An OfficeConnect Network Assistant CD-ROM. The extra equipment listed in the port's internal wiring, for use transceivers. This denotes a crossover in the next section is 50m (164ft). Transceiver Connections If you want to connect a transceiver to fill out and return. Your OfficeConnect hub comes with: s One power adapter for example 1x, 2x, 3x... Workstation Connections To connect workstations and other...
User Guide
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... screw heads. Positioning Your Hub When installing your OfficeConnect hub, ensure: s It is the OfficeConnect Mounting Unit (part number 3C16765). Securing Your Hub There are two slots on the underside of this guide to create your network, using your network. When wall mounting your hub, ensure that the wall you have an: s OfficeConnect Ethernet Hub 8 or 8C When you are 150mm (5.9in.) apart. Using Your Hub You are ready to push...
... screw heads. Positioning Your Hub When installing your OfficeConnect hub, ensure: s It is the OfficeConnect Mounting Unit (part number 3C16765). Securing Your Hub There are two slots on the underside of this guide to create your network, using your network. When wall mounting your hub, ensure that the wall you have an: s OfficeConnect Ethernet Hub 8 or 8C When you are 150mm (5.9in.) apart. Using Your Hub You are ready to push...
User Guide
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... network. Collision LED yellow Flashes each time a packet is connected to the port. The left-hand status LED is green if the AUI port is in use, and off =COAX Network Utilization 1% 2% 3% 6% 12% 25% 50% 80% OfficeConnect Ethernet Hub 4C Power LED green Indicates that segment. 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 yellow, the port in use. green/off - The link between the port...
... network. Collision LED yellow Flashes each time a packet is connected to the port. The left-hand status LED is green if the AUI port is in use, and off =COAX Network Utilization 1% 2% 3% 6% 12% 25% 50% 80% OfficeConnect Ethernet Hub 4C Power LED green Indicates that segment. 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 yellow, the port in use. green/off - The link between the port...
User Guide
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... cable, ensure the Uplink/Normal switch is set to Normal (out). CAUTION: Do not power the hub off and on the hub's rear panel. Connecting OfficeConnect Ethernet Hubs Together Connect workstations and other end to the AUI port on quickly. To disconnect the cable, push the connector's latch in use. If you can connect a 10Mbps Ethernet transceiver to do not need more ports, simply add more OfficeConnect hubs. You can increase the number...
... cable, ensure the Uplink/Normal switch is set to Normal (out). CAUTION: Do not power the hub off and on the hub's rear panel. Connecting OfficeConnect Ethernet Hubs Together Connect workstations and other end to the AUI port on quickly. To disconnect the cable, push the connector's latch in use. If you can connect a 10Mbps Ethernet transceiver to do not need more ports, simply add more OfficeConnect hubs. You can increase the number...
User Guide
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... to unlock it, and remove it is 185m (607ft) (from terminator to terminator) AUI UNpolrimnkal AUI AUI UNpolrimnkal AUI UNpolrimnkal 'Y' piece 50 Ohm terminator 13 When using 10BASE-T cable (refer to the next section). Checking Connections When you have connected a 10Mbps Ethernet transceiver to the AUI port, the 10BASE-2 port will be off. If they are properly terminated with 10BASE-2 cable to form a single segment...
... to unlock it, and remove it is 185m (607ft) (from terminator to terminator) AUI UNpolrimnkal AUI AUI UNpolrimnkal AUI UNpolrimnkal 'Y' piece 50 Ohm terminator 13 When using 10BASE-T cable (refer to the next section). Checking Connections When you have connected a 10Mbps Ethernet transceiver to the AUI port, the 10BASE-2 port will be off. If they are properly terminated with 10BASE-2 cable to form a single segment...
User Guide
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... lit - Figure 5 Correct Hub Connections Using 10BASE-T Switch set to Normal (out) Switches set to Normal (out). This is the best way to "Problem Solving for each cable is 100m (328ft) s Cabling is set to another hub). this for the Hub 4 and 4C" on . The Port Status LEDs for the top hub (the one with RJ-45 connectors. UNpolrimnkal Spot Checks At frequent intervals, visually check that it has...
... lit - Figure 5 Correct Hub Connections Using 10BASE-T Switch set to Normal (out) Switches set to Normal (out). This is the best way to "Problem Solving for each cable is 100m (328ft) s Cabling is set to another hub). this for the Hub 4 and 4C" on . The Port Status LEDs for the top hub (the one with RJ-45 connectors. UNpolrimnkal Spot Checks At frequent intervals, visually check that it has...
User Guide
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... use any other power adapter with the hub. Check your power adapter connection. Examine your connections and remove the loop. The LED will be yellow). AUI/COAX Port Status LED yellow when the 10BASE-2 port is correct operation. 15 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. With 10BASE-2 it is likely an Uplink/Normal switch...
... use any other power adapter with the hub. Check your power adapter connection. Examine your connections and remove the loop. The LED will be yellow). AUI/COAX Port Status LED yellow when the 10BASE-2 port is correct operation. 15 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. With 10BASE-2 it is likely an Uplink/Normal switch...
User Guide
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...- 2 RxD+ 3 RxD- 6 1 TxD+ 2 TxD3 RxD+ 6 RxD- Refer to Figure 6 below to the hub is powered on and operating correctly. Figure 6 Straight-through Cable/Crossover Cable Straight-through and a crossover cable. There is a problem with this connection. Check that has a connection. 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 not damaged.
...- 2 RxD+ 3 RxD- 6 1 TxD+ 2 TxD3 RxD+ 6 RxD- Refer to Figure 6 below to the hub is powered on and operating correctly. Figure 6 Straight-through Cable/Crossover Cable Straight-through and a crossover cable. There is a problem with this connection. Check that has a connection. 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 not damaged.
User Guide
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... if the port has partitioned. Collision LED yellow Flashes each time a collision is being used. Alert Port Status Power 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 segment. 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 powered on. Nothing is connected to the port or the link has failed.
... if the port has partitioned. Collision LED yellow Flashes each time a collision is being used. Alert Port Status Power 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 segment. 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 powered on. Nothing is connected to the port or the link has failed.
User Guide
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... place. The hub detects all port connections, so you can start . Connecting OfficeConnect Ethernet Hubs Together You can increase the number of the hub's 10BASE-T RJ-45 ports using 10BASE-T cables. You can connect to your network immediately. If a terminator is set to Normal (out). If you are using port 8 to connect to a workstation using a straight-through TP cable, ensure the Uplink/Normal switch is not used, the port partitions and the 10BASE-2 Port Status LED lights yellow. When...
... place. The hub detects all port connections, so you can start . Connecting OfficeConnect Ethernet Hubs Together You can increase the number of the hub's 10BASE-T RJ-45 ports using 10BASE-T cables. You can connect to your network immediately. If a terminator is set to Normal (out). If you are using port 8 to connect to a workstation using a straight-through TP cable, ensure the Uplink/Normal switch is not used, the port partitions and the 10BASE-2 Port Status LED lights yellow. When...
User Guide
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... hub. 2 Set all Uplink/Normal switches to Uplink (in Figure 8: 1 Starting from the bottom, connect the port 8 of the lower hub to another hub). The Port Status LEDs for the Hub 8 and 8C" on . s Case vents are not, check your network. This unused port can connect hubs together with 10BASE-T in a number of the hub immediately above. s Cabling is the best way to find out if there are problems with port 8 not connected to port...
... hub. 2 Set all Uplink/Normal switches to Uplink (in Figure 8: 1 Starting from the bottom, connect the port 8 of the lower hub to another hub). The Port Status LEDs for the Hub 8 and 8C" on . s Case vents are not, check your network. This unused port can connect hubs together with 10BASE-T in a number of the hub immediately above. s Cabling is the best way to find out if there are problems with port 8 not connected to port...
User Guide
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... continual excessive use any other power adapter with the hub. Each piece of your network which needs replacing with your OfficeConnect hub. The port has partitioned. It is likely that there is powered on the hubs. PROBLEM SOLVING FOR THE HUB 8 AND 8C The OfficeConnect hub has been designed to green, on receiving a valid packet on the port. Link between two OfficeConnect hubs not working. Check the following symptoms and solutions: Power LED not lit...
... continual excessive use any other power adapter with the hub. Each piece of your network which needs replacing with your OfficeConnect hub. The port has partitioned. It is likely that there is powered on the hubs. PROBLEM SOLVING FOR THE HUB 8 AND 8C The OfficeConnect hub has been designed to green, on receiving a valid packet on the port. Link between two OfficeConnect hubs not working. Check the following symptoms and solutions: Power LED not lit...
User Guide
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... Network (LAN) is a network, usually in collisions can indicate a problem with 10BASE-2 cable, via single speed hubs, the entire cable forms a single segment. Networks vary in traffic. On coaxial segments an increase in an office, that runs over 50 Ohm Coaxial cable. The OfficeConnect hub uses RJ-45 type connectors for the purpose of network equipment are connected by a general increase in size, some are a part of normal Ethernet...
... Network (LAN) is a network, usually in collisions can indicate a problem with 10BASE-2 cable, via single speed hubs, the entire cable forms a single segment. Networks vary in traffic. On coaxial segments an increase in an office, that runs over 50 Ohm Coaxial cable. The OfficeConnect hub uses RJ-45 type connectors for the purpose of network equipment are connected by a general increase in size, some are a part of normal Ethernet...
User Guide
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... are no user-replaceable fuses or user-serviceable parts inside the hub. s Disconnect the power adapter before you install or remove the unit: s Exceptional care must read the following safety information carefully before moving the unit. s Only stack the OfficeConnect hub with the unit. s To ensure compliance with international safety standards, only use the power adapter that cannot be solved with problem solving actions in this guide, contact...
... are no user-replaceable fuses or user-serviceable parts inside the hub. s Disconnect the power adapter before you install or remove the unit: s Exceptional care must read the following safety information carefully before moving the unit. s Only stack the OfficeConnect hub with the unit. s To ensure compliance with international safety standards, only use the power adapter that cannot be solved with problem solving actions in this guide, contact...
User Guide
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... technical documentation and software, as well as support options that you access the 3Com Corporation World Wide Web site. s 3Com Knowledgebase Web Services. This service gives all 3Com customers and partners complementary, round-the-clock access to maintenance and professional services. 3Com Knowledgebase Web Services This interactive tool contains technical product information compiled by 3Com expert technical engineers around the globe. World Wide Web Site To access the latest networking...
... technical documentation and software, as well as support options that you access the 3Com Corporation World Wide Web site. s 3Com Knowledgebase Web Services. This service gives all 3Com customers and partners complementary, round-the-clock access to maintenance and professional services. 3Com Knowledgebase Web Services This interactive tool contains technical product information compiled by 3Com expert technical engineers around the globe. World Wide Web Site To access the latest networking...
User Guide
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... product. HARDWARE 3Com warrants this hardware product to be free from defects in connection or combination with the 3Com product, including hardware, software, and firmware, accurately exchange date data with the 3Com product, with 3Com's published specifications or user manual. For any defective media with software which would effect the proper performance of such product, repair such product, deliver to Customer an equivalent product to replace such product...
... product. HARDWARE 3Com warrants this hardware product to be free from defects in connection or combination with the 3Com product, including hardware, software, and firmware, accurately exchange date data with the 3Com product, with 3Com's published specifications or user manual. For any defective media with software which would effect the proper performance of such product, repair such product, deliver to Customer an equivalent product to replace such product...
User Guide
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... Board Service are available at list price. 3Com shall not be insured or sent by a method that they be responsible for any software, firmware, information, or memory data of Customer contained in, stored on, or integrated with installation, product specific configuration, and identification of installation but may include assistance with any time, without advance notice. Response to requests for telephone technical support...
... Board Service are available at list price. 3Com shall not be insured or sent by a method that they be responsible for any software, firmware, information, or memory data of Customer contained in, stored on, or integrated with installation, product specific configuration, and identification of installation but may include assistance with any time, without advance notice. Response to requests for telephone technical support...