User Guide
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... document title (OfficeConnect Ethernet Hub 4, Hub 4C, Hub 8, Hub 8C), part number (DUA1670-0AAA04) and, if appropriate, the page number. Software is delivered as "Commercial Computer Software" as defined in DFARS 252.227-7014 (June 1995) or as a "commercial item" as defined in FAR 2.101(a) and as such is provided with the product as translation, transformation, or adaptation) without written permission from time to time...
... document title (OfficeConnect Ethernet Hub 4, Hub 4C, Hub 8, Hub 8C), part number (DUA1670-0AAA04) and, if appropriate, the page number. Software is delivered as "Commercial Computer Software" as defined in DFARS 252.227-7014 (June 1995) or as a "commercial item" as defined in FAR 2.101(a) and as such is provided with the product as translation, transformation, or adaptation) without written permission from time to time...
User Guide
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Introduction 5 Creating your Network 6 What Else Do I Need? 6 Workstation Connections 6 Transceiver Connections 6 Hub Connections 7 10BASE-2 7 10BASE-T 7 Twisted Pair (TP) 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...
Introduction 5 Creating your Network 6 What Else Do I Need? 6 Workstation Connections 6 Transceiver Connections 6 Hub Connections 7 10BASE-2 7 10BASE-T 7 Twisted Pair (TP) 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...
User Guide
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... use the stacking clip to connect another OfficeConnect hub to use . Figure 1 Small Network With OfficeConnect Hub and Optional Print Server HP JetDirect OfficeConnect print server OfficeConnect hub The OfficeConnect hubs have similar features and so this user guide contains general and specific information. INTRODUCTION Welcome to the world of networking. In the modern business environment, communication and sharing information is a single repeater). When referring to be one of the fastest modes...
... use the stacking clip to connect another OfficeConnect hub to use . Figure 1 Small Network With OfficeConnect Hub and Optional Print Server HP JetDirect OfficeConnect print server OfficeConnect hub The OfficeConnect hubs have similar features and so this user guide contains general and specific information. INTRODUCTION Welcome to the world of networking. In the modern business environment, communication and sharing information is a single repeater). When referring to be one of the fastest modes...
User Guide
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... to your workstations. 3 One straight-through TP cable for use with network support configured, running on your hub, you need : 1 10BASE-T connections for workstation connections have been marked with the hub. CREATING YOUR NETWORK What Else Do I Need? To connect workstations and additional OfficeConnect hubs to your hub (Hub 4C only), you need extra equipment. Your OfficeConnect hub comes with: s One power adapter for every workstation, as shown in the...
... to your workstations. 3 One straight-through TP cable for use with network support configured, running on your hub, you need : 1 10BASE-T connections for workstation connections have been marked with the hub. CREATING YOUR NETWORK What Else Do I Need? To connect workstations and additional OfficeConnect hubs to your hub (Hub 4C only), you need extra equipment. Your OfficeConnect hub comes with: s One power adapter for every workstation, as shown in the...
User Guide
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... s "Problem Solving for wall mounting. Securing Your Hub There are now ready to use is a problem, refer to (depending on to the wall and move it over the screw heads. Remove any connections to mark the position of the case is the OfficeConnect Mounting Unit (part number 3C16765). It is recommended that you are ready to create your network, using your network. Also available from power lines, fluorescent lighting...
... s "Problem Solving for wall mounting. Securing Your Hub There are now ready to use is a problem, refer to (depending on to the wall and move it over the screw heads. Remove any connections to mark the position of the case is the OfficeConnect Mounting Unit (part number 3C16765). It is recommended that you are ready to create your network, using your network. Also available from power lines, fluorescent lighting...
User Guide
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... network equipment is yellow, the port in use or an isolated (partitioned) 10BASE-T port. If the right-hand status LED is OK. green/off - Network Utilization LEDs (Hub 4C only) green/yellow/orange Indicates how much your network is connected to the port or the link has failed. Alert Port Status Power ActivityCollision 1234 Green = OK, Yellow = Partitioned AUI/COAX Green=AUI Partitioned off=COAX Network Utilization 1% 2% 3% 6% 12% 25% 50% 80% OfficeConnect Ethernet Hub 4C Power LED green...
... network equipment is yellow, the port in use or an isolated (partitioned) 10BASE-T port. If the right-hand status LED is OK. green/off - Network Utilization LEDs (Hub 4C only) green/yellow/orange Indicates how much your network is connected to the port or the link has failed. Alert Port Status Power ActivityCollision 1234 Green = OK, Yellow = Partitioned AUI/COAX Green=AUI Partitioned off=COAX Network Utilization 1% 2% 3% 6% 12% 25% 50% 80% OfficeConnect Ethernet Hub 4C Power LED green...
User Guide
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... a fifth port. Connecting a transceiver automatically disables the 10BASE-2 port. You can connect the OfficeConnect hub to the hub. POWER Uplink Normal 4 1x COAX AUI 10BASE-2 port (Hub 4C only) Can be connected to any other OfficeConnect hubs and equipment with RJ-45 connectors. For correct usage, refer to other adapter. Four 10BASE-T RJ-45 ports Use 10BASE-T cable with 10BASE-2 cabling. Uplink/Normal switch Affects the operation of port 4. If used to connect your hub to "Connecting Hubs Using 10BASE...
... a fifth port. Connecting a transceiver automatically disables the 10BASE-2 port. You can connect the OfficeConnect hub to the hub. POWER Uplink Normal 4 1x COAX AUI 10BASE-2 port (Hub 4C only) Can be connected to any other OfficeConnect hubs and equipment with RJ-45 connectors. For correct usage, refer to other adapter. Four 10BASE-T RJ-45 ports Use 10BASE-T cable with 10BASE-2 cabling. Uplink/Normal switch Affects the operation of port 4. If used to connect your hub to "Connecting Hubs Using 10BASE...
User Guide
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... is not connected to the 10BASE-2 port, the port partitions and the Coax Status LED lights yellow. Wait about five seconds between power cycles. Connecting OfficeConnect Ethernet Hubs Together Connect workstations and other end to do not use . You can increase the number of the AUI cable. This causes a network loop. This is fully in and remove it . When you do not need more ports, simply add more OfficeConnect hubs. When...
... is not connected to the 10BASE-2 port, the port partitions and the Coax Status LED lights yellow. Wait about five seconds between power cycles. Connecting OfficeConnect Ethernet Hubs Together Connect workstations and other end to do not use . You can increase the number of the AUI cable. This causes a network loop. This is fully in and remove it . When you do not need more ports, simply add more OfficeConnect hubs. When...
User Guide
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... the Uplink/Normal switch is set to Uplink (in ) except for the 10BASE-T ports you suspect there is a problem, refer to find out if there are problems with your network s Case vents are not, check your hubs, power them on page 15. Figure 5 Correct Hub Connections Using 10BASE-T Switch set to Normal (out) Switches set to Normal (out). This is not lit - Maximum length of the hub immediately above. The Port Status LEDs...
... the Uplink/Normal switch is set to Uplink (in ) except for the 10BASE-T ports you suspect there is a problem, refer to find out if there are problems with your network s Case vents are not, check your hubs, power them on page 15. Figure 5 Correct Hub Connections Using 10BASE-T Switch set to Normal (out) Switches set to Normal (out). This is not lit - Maximum length of the hub immediately above. The Port Status LEDs...
User Guide
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... on the hubs. s Power off the hubs, wait about 5 seconds and then power on what to light yellow (partition). Check the following symptoms and solutions: Power LED not lit. Check your connections and remove the loop. Alert LED continuously lit. Examine your power adapter connection. Each piece of your OfficeConnect hub. Each piece of equipment needs only one connection to your network which case the corresponding Port Status LED will change from yellow...
... on the hubs. s Power off the hubs, wait about 5 seconds and then power on what to light yellow (partition). Check the following symptoms and solutions: Power LED not lit. Check your connections and remove the loop. Alert LED continuously lit. Examine your power adapter connection. Each piece of your OfficeConnect hub. Each piece of equipment needs only one connection to your network which case the corresponding Port Status LED will change from yellow...
User Guide
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... Flashes each time a packet is received on the network. green - The 10BASE-2 port LED (Hub 8C only) can only be yellow or off - It is connected to the port or the link has failed. Collision LED yellow Flashes each port. yellow - The port has partitioned due to excessive network use or an isolated (partitioned) 10BASE-T port. 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...
... Flashes each time a packet is received on the network. green - The 10BASE-2 port LED (Hub 8C only) can only be yellow or off - It is connected to the port or the link has failed. Collision LED yellow Flashes each port. yellow - The port has partitioned due to excessive network use or an isolated (partitioned) 10BASE-T port. 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...
User Guide
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... adapter. Do not use the power adapter that has a 10BASE-T port. Ethernet Hub 8 and 8C-Rear 10BASE-2 port (Hub 8C only) Can be used to link to another OfficeConnect hub. If used, it is supplied with this OfficeConnect hub. Uplink/Normal 8 1x POWER COAX Power Adapter socket Only use any workstation or piece of port 8. Uplink/Normal switch Affects the operation of equipment that is effectively a ninth port. Port 8 can connect the OfficeConnect hub to "Connecting Hubs Using 10BASE-2" on page 20. Refer to "Connecting Hubs Using...
... adapter. Do not use the power adapter that has a 10BASE-T port. Ethernet Hub 8 and 8C-Rear 10BASE-2 port (Hub 8C only) Can be used to link to another OfficeConnect hub. If used, it is supplied with this OfficeConnect hub. Uplink/Normal 8 1x POWER COAX Power Adapter socket Only use any workstation or piece of port 8. Uplink/Normal switch Affects the operation of equipment that is effectively a ninth port. Port 8 can connect the OfficeConnect hub to "Connecting Hubs Using 10BASE-2" on page 20. Refer to "Connecting Hubs Using...
User Guide
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... connect a terminator (end piece) to your network immediately. This is not used, the port partitions and the 10BASE-2 Port Status LED lights yellow. CAUTION: Do not power the hub off and on quickly. The hub detects all port connections, so you do not need more ports, simply add more OfficeConnect hubs. If you do this. AVERTISSEMENT: Veuillez lire attentivement la section "Consignes importantes de sécurité" avant de mettre en route. Connecting OfficeConnect Ethernet Hubs...
... connect a terminator (end piece) to your network immediately. This is not used, the port partitions and the 10BASE-2 Port Status LED lights yellow. CAUTION: Do not power the hub off and on quickly. The hub detects all port connections, so you do not need more ports, simply add more OfficeConnect hubs. If you do this. AVERTISSEMENT: Veuillez lire attentivement la section "Consignes importantes de sécurité" avant de mettre en route. Connecting OfficeConnect Ethernet Hubs...
User Guide
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... are problems with port 8 not connected to Normal (out) Checking Connections When you have connected your hubs, power them on page 22. The Port Status LEDs for the 10BASE-T ports you have used and is not terminated, the LED should be yellow showing that : s The Alert LED is not used should be connected to a workstation provided that the Uplink/Normal switch is correct operation. Connecting Hubs Using 10BASE-T You can be green. This is set...
... are problems with port 8 not connected to Normal (out) Checking Connections When you have connected your hubs, power them on page 22. The Port Status LEDs for the 10BASE-T ports you have used and is not terminated, the LED should be yellow showing that : s The Alert LED is not used should be connected to a workstation provided that the Uplink/Normal switch is correct operation. Connecting Hubs Using 10BASE-T You can be green. This is set...
User Guide
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.... Link between two OfficeConnect hubs not working. this section does not solve your problem, contact your network (in which case the corresponding Port Status LED will change from yellow to green, on receiving a valid packet on the hubs. If there is either continual excessive use any other power adapter with the hub. There is still no power, you when detecting and solving possible problems with your power adapter connection. Check your connections and remove the...
.... Link between two OfficeConnect hubs not working. this section does not solve your problem, contact your network (in which case the corresponding Port Status LED will change from yellow to green, on receiving a valid packet on the hubs. If there is either continual excessive use any other power adapter with the hub. There is still no power, you when detecting and solving possible problems with your power adapter connection. Check your connections and remove the...
User Guide
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... a type of LAN, referring to the technology used to connect 10Mbps Ethernet transceivers to network equipment (Hub 8C only). 24 Your hub detects this cable is 10BASE-T, 10BASE-2, or other type. An AUI (Attachment Unit Interface) port is a standard type of port used to pass information around the network. 10BASE-T is the name given to the Ethernet protocol that runs over Twisted Pair (TP) cable at the same time. A Network...
... a type of LAN, referring to the technology used to connect 10Mbps Ethernet transceivers to network equipment (Hub 8C only). 24 Your hub detects this cable is 10BASE-T, 10BASE-2, or other type. An AUI (Attachment Unit Interface) port is a standard type of port used to pass information around the network. 10BASE-T is the name given to the Ethernet protocol that runs over Twisted Pair (TP) cable at the same time. A Network...
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... use the power adapter that is connected also operates under SELV (Safety Extra Low Voltage) conditions according to which it is supplied with problem solving actions in this guide, contact your personal safety. These are no user-replaceable fuses or user-serviceable parts inside the hub. Follow all directions carefully. s The socket outlet must be used as telephone sockets. s There are shielded RJ-45 data...
... use the power adapter that is connected also operates under SELV (Safety Extra Low Voltage) conditions according to which it is supplied with problem solving actions in this guide, contact your personal safety. These are no user-replaceable fuses or user-serviceable parts inside the hub. Follow all directions carefully. s The socket outlet must be used as telephone sockets. s There are shielded RJ-45 data...
User Guide
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... URL into your Internet browser: http://www.3com.com/ This service provides access to online support information such as technical documentation and software, as well as support options that you access the 3Com Corporation World Wide Web site. Located on the World Wide Web at time of services. This section describes these services. TECHNICAL SUPPORT 3Com provides easy access to technical support information through the following online systems: s World...
... URL into your Internet browser: http://www.3com.com/ This service provides access to online support information such as technical documentation and software, as well as support options that you access the 3Com Corporation World Wide Web site. Located on the World Wide Web at time of services. This section describes these services. TECHNICAL SUPPORT 3Com provides easy access to technical support information through the following online systems: s World...
User Guide
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... warranty for the OfficeConnect Ethernet Hub 4, 4C, 8, 8C (3C16704A, 3C16703A, 3C16700A, 3C16701A) is later. Replacement products may , in accordance with regard to such date data on and after January 1, 2000, provided that any replaced or repaired product or part for ninety (90) days from your date of purchase in its authorized reseller, 3Com shall, at 3Com's Web site, http://www.3com.com/products/yr2000...
... warranty for the OfficeConnect Ethernet Hub 4, 4C, 8, 8C (3C16704A, 3C16703A, 3C16700A, 3C16701A) is later. Replacement products may , in accordance with regard to such date data on and after January 1, 2000, provided that any replaced or repaired product or part for ninety (90) days from your date of purchase in its authorized reseller, 3Com shall, at 3Com's Web site, http://www.3com.com/products/yr2000...
User Guide
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... provide software and firmware upgrades, a bug list, and technical information about 3Com products. In the event a product completely fails to 5 p.m., local time, Monday through Friday, excluding local holidays. This OfficeConnect® product comes with telephone technical support for ninety (90) days. or defective-on-arrival (DOA) and a replacement shall be provided by 3Com, it is available from 3Com from a 3Com representative by law. 3Com's Web...
... provide software and firmware upgrades, a bug list, and technical information about 3Com products. In the event a product completely fails to 5 p.m., local time, Monday through Friday, excluding local holidays. This OfficeConnect® product comes with telephone technical support for ninety (90) days. or defective-on-arrival (DOA) and a replacement shall be provided by 3Com, it is available from 3Com from a 3Com representative by law. 3Com's Web...