User Guide
Page 3
... 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 Hubs Using 10BASE-2 20 Checking Connections 20 Connecting Hubs Using 10BASE-T 21 Checking Connections 21 Spot Checks 21 Problem Solving for the Hub 8 and 8C 22 Networking Terminology 24 ...
... 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 Hubs Using 10BASE-2 20 Checking Connections 20 Connecting Hubs Using 10BASE-T 21 Checking Connections 21 Spot Checks 21 Problem Solving for the Hub 8 and 8C 22 Networking Terminology 24 ...
User Guide
Page 9
... out of direct sunlight and away from 3Com, is within reach of OfficeConnect devices to mark the position of the wall surface. Positioning Your Hub When installing your OfficeConnect hub, ensure: s It is smooth...a minimum of heat. 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...you are two slots on to (depending on your OfficeConnect hub. CAUTION: Only wall mount single hubs, do not wall mount stacked hubs. s Cabling is a problem, refer to the wall and move it over ...
... out of direct sunlight and away from 3Com, is within reach of OfficeConnect devices to mark the position of the wall surface. Positioning Your Hub When installing your OfficeConnect hub, ensure: s It is smooth...a minimum of heat. 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...you are two slots on to (depending on your OfficeConnect hub. CAUTION: Only wall mount single hubs, do not wall mount stacked hubs. s Cabling is a problem, refer to the wall and move it over ...
User Guide
Page 14
... to Normal (out) Switches set to Normal (out). This unused port can connect hubs together with 10BASE-T in a number of the hub immediately above. If you suspect there is a problem, refer to "Problem Solving for the 10BASE-T ports you have connected your connections. The Port Status LEDs for the Hub 4..., visually check that it has partitioned. This is AUI 1x correct operation. Repeat this is the best way to find out if there are problems with your network s Case vents are not, check your hubs, power them on page 15. Connecting Hubs Using 10BASE-T You can be connected...
... to Normal (out) Switches set to Normal (out). This unused port can connect hubs together with 10BASE-T in a number of the hub immediately above. If you suspect there is a problem, refer to "Problem Solving for the 10BASE-T ports you have connected your connections. The Port Status LEDs for the Hub 4..., visually check that it has partitioned. This is AUI 1x correct operation. Repeat this is the best way to find out if there are problems with your network s Case vents are not, check your hubs, power them on page 15. Connecting Hubs Using 10BASE-T You can be connected...
User Guide
Page 15
...switch is either continual excessive use . These problems are engaged. Perform these actions first: s Ensure all equipment is usually a disconnected or damaged cable, or incorrect configuration. Check the following symptoms and solutions: Power LED not lit. Each piece of equipment needs only one connection to your OfficeConnect...for information on . Alert LED continuously lit. follow the information given for a 10BASE-T port. PROBLEM SOLVING FOR THE HUB 4 AND 4C The OfficeConnect hub has been designed to aid you may have a faulty power adapter which case the corresponding...
...switch is either continual excessive use . These problems are engaged. Perform these actions first: s Ensure all equipment is usually a disconnected or damaged cable, or incorrect configuration. Check the following symptoms and solutions: Power LED not lit. Each piece of equipment needs only one connection to your OfficeConnect...for information on . Alert LED continuously lit. follow the information given for a 10BASE-T port. PROBLEM SOLVING FOR THE HUB 4 AND 4C The OfficeConnect hub has been designed to aid you may have a faulty power adapter which case the corresponding...
User Guide
Page 16
Also check that you 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 RxD- Pins 4, 5, 7 and 8 are using a straight-through 10BASE-T cable which is properly ... is not damaged. Refer to Figure 6 below to port 4, ensure that has a connection. Port Status LED not lit for a 10BASE-T port that the Uplink/Normal switch is a problem with this connection. If the cable is connected to compare the wiring of a straight-through TxD+ 1 TxD- 2 RxD+ 3 RxD- 6 1 TxD+ 2 TxD3 RxD+ 6 RxD...
Also check that you 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 RxD- Pins 4, 5, 7 and 8 are using a straight-through 10BASE-T cable which is properly ... is not damaged. Refer to Figure 6 below to port 4, ensure that has a connection. Port Status LED not lit for a 10BASE-T port that the Uplink/Normal switch is a problem with this connection. If the cable is connected to compare the wiring of a straight-through TxD+ 1 TxD- 2 RxD+ 3 RxD- 6 1 TxD+ 2 TxD3 RxD+ 6 RxD...
User Guide
Page 21
...this for each cable is secure and not pulled taut. 21 Switch set to Uplink (in) Switch set to a workstation provided that : s The Alert LED is not lit - s Cabling is 100m (328ft) If you suspect there is a problem, refer to "Problem Solving for the 10BASE-T ports you have used and is set... another hub). The Port Status LEDs for the Hub 8 and 8C" on . s Case vents are problems with RJ-45 connectors. Spot Checks At frequent intervals, visually check that the Uplink/Normal switch is not terminated, the LED should be green. Maximum length of each hub. 2 Set all Uplink/Normal...
...this for each cable is secure and not pulled taut. 21 Switch set to Uplink (in) Switch set to a workstation provided that : s The Alert LED is not lit - s Cabling is 100m (328ft) If you suspect there is a problem, refer to "Problem Solving for the 10BASE-T ports you have used and is set... another hub). The Port Status LEDs for the Hub 8 and 8C" on . s Case vents are problems with RJ-45 connectors. Spot Checks At frequent intervals, visually check that the Uplink/Normal switch is not terminated, the LED should be green. Maximum length of each hub. 2 Set all Uplink/Normal...
User Guide
Page 22
...the 10BASE-2 port is powered on what to your network (in your OfficeConnect hub. With 10BASE-2 it is likely an Uplink/Normal switch is either continual excessive use any other power adapter with your OfficeConnect hub. There is incorrectly set. Each piece of your network (over...If there is not properly fitted; This is usually a disconnected or damaged cable, or incorrect configuration. Link between two OfficeConnect hubs not working. These problems are rarely serious, the cause is correct operation. Do not use of equipment needs only one connection to a loop ...
...the 10BASE-2 port is powered on what to your network (in your OfficeConnect hub. With 10BASE-2 it is likely an Uplink/Normal switch is either continual excessive use any other power adapter with your OfficeConnect hub. There is incorrectly set. Each piece of your network (over...If there is not properly fitted; This is usually a disconnected or damaged cable, or incorrect configuration. Link between two OfficeConnect hubs not working. These problems are rarely serious, the cause is correct operation. Do not use of equipment needs only one connection to a loop ...
User Guide
Page 23
...+ 4 5 6 Tx- 7 8 23 If the cable is connected to port 8, ensure that has a connection. Port Status LED not lit for a 10BASE-T port that the Uplink/Normal switch is a problem with this connection. There is set to Normal (out).
...+ 4 5 6 Tx- 7 8 23 If the cable is connected to port 8, ensure that has a connection. Port Status LED not lit for a 10BASE-T port that the Uplink/Normal switch is a problem with this connection. There is set to Normal (out).
User Guide
Page 24
... it is not accompanied by more than a single site. An AUI (Attachment Unit Interface) port is 10BASE-T, 10BASE-2, or other over the network. The OfficeConnect hub uses RJ-45 type connectors for the purpose of exchanging information. Your hub detects this cable is a standard type of port used to pass...and other equipment (for example, printers), connected for connecting your workstations and other equipment send to each other type. Networks vary in collisions can indicate a problem with 10BASE-2 cable, via single speed hubs, the entire cable forms a single segment.
... it is not accompanied by more than a single site. An AUI (Attachment Unit Interface) port is 10BASE-T, 10BASE-2, or other over the network. The OfficeConnect hub uses RJ-45 type connectors for the purpose of exchanging information. Your hub detects this cable is a standard type of port used to pass...and other equipment (for example, printers), connected for connecting your workstations and other equipment send to each other type. Networks vary in collisions can indicate a problem with 10BASE-2 cable, via single speed hubs, the entire cable forms a single segment.
User Guide
Page 27
... unit. s There are shielded RJ-45 data sockets. Only connect RJ-45 data connectors to IEC 950. s Only stack the OfficeConnect hub with problem solving actions in this guide, contact your personal safety. s Disconnect the power adapter before you must follow for your supplier. s ... user-serviceable parts inside the hub. If you have a physical problem with international safety standards, only use the power adapter that cannot be used as telephone sockets. They cannot be solved with other OfficeConnect units. s The socket outlet must read the following safety information ...
... unit. s There are shielded RJ-45 data sockets. Only connect RJ-45 data connectors to IEC 950. s Only stack the OfficeConnect hub with problem solving actions in this guide, contact your personal safety. s Disconnect the power adapter before you must follow for your supplier. s ... user-serviceable parts inside the hub. If you have a physical problem with international safety standards, only use the power adapter that cannot be used as telephone sockets. They cannot be solved with other OfficeConnect units. s The socket outlet must read the following safety information ...
User Guide
Page 36
...THE POSSIBILITY OF SUCH DAMAGES, AND LIMITS ITS LIABILITY TO REPAIR, REPLACEMENT, OR REFUND OF THE PURCHASE PRICE PAID, AT 3COM'S OPTION. This OfficeConnect® product comes with telephone technical support for repair, whether under warranty or not. The ninety (90) day period ...or integrated with any time, without advance notice. Response to 3Com within the first forty-eight (48) hours of installation but may include assistance with installation, product specific configuration, and identification of equipment problems. Please refer to the Technical Support appendix in the User ...
...THE POSSIBILITY OF SUCH DAMAGES, AND LIMITS ITS LIABILITY TO REPAIR, REPLACEMENT, OR REFUND OF THE PURCHASE PRICE PAID, AT 3COM'S OPTION. This OfficeConnect® product comes with telephone technical support for repair, whether under warranty or not. The ninety (90) day period ...or integrated with any time, without advance notice. Response to 3Com within the first forty-eight (48) hours of installation but may include assistance with installation, product specific configuration, and identification of equipment problems. Please refer to the Technical Support appendix in the User ...
User Guide
Page 38
... off and on different branch circuits. In order to meet FCC emissions limits, this equipment does cause interference to Identify and Resolve Radio-TV Interference Problems This booklet is available from the receiver. This equipment generates, uses and can be determined by the Federal Communications Commission helpful: How to radio or...
... off and on different branch circuits. In order to meet FCC emissions limits, this equipment does cause interference to Identify and Resolve Radio-TV Interference Problems This booklet is available from the receiver. This equipment generates, uses and can be determined by the Federal Communications Commission helpful: How to radio or...