3Com 3C16792 Support Question
3Com 3C16792 Support Question
Find answers below for this question about 3Com 3C16792 - OfficeConnect Dual Speed Switch 16.Need a 3Com 3C16792 manual? We have 1 online manual for this item!
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Related 3Com 3C16792 Manual Pages
User Guide - Page 3
...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...
User Guide - Page 5
... stacking clip to connect another OfficeConnect hub to form a stack (each hub is crucial. If you to create a small network with 3Com® .
The hubs have proved to connect more workstations, simply use the OfficeConnect hubs. Figure 1 Small Network With OfficeConnect Hub and Optional Print Server
HP JetDirect OfficeConnect print server OfficeConnect hub
The OfficeConnect hubs have the...
User Guide - Page 6
... you need :
s An AUI cable. In order to fill out and return. This denotes a crossover in the next section is 50m (164ft).
To connect workstations and additional OfficeConnect hubs to your hub, you to comply with the 10BASE-T standard, ports designed for use with the graphical symbol 'x'. s A Product Registration card for example 1x, 2x...
User Guide - Page 7
... have additional hubs you want to four hubs in Figure 2): s One 10BASE-2 50 Ohm cable for each hub. A straight-through TP cable for each extra hub.
s With 10BASE-T you must use shielded. Terminator (end piece)
or 'Y' piece
'T' piece
7 Twisted Pair (TP) Cables
To connect your hubs together:
s With 10BASE-2 you can connect up to connect using 10BASE-2 (Hub 4C and...
User Guide - Page 9
... secure. 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 connected your equipment, you mount the hubs with the LEDs facing upwards to mark the position of the holes. Positioning Your Hub
When installing your OfficeConnect hub, ensure:
s It is...
User Guide - Page 10
...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. If the right-hand status LED is detected on the...port. Nothing is being used . Network Utilization LEDs (Hub 4C only) green/yellow/orange Indicates how much your network is connected to excessive network use . Collision LED yellow Flashes ...
User Guide - Page 11
... page 14.
11 Uplink/Normal switch Affects the operation of different media types to other adapter.
If used to connect your hub to be used , it is supplied with this OfficeConnect hub. For correct usage, refer to the 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...
User Guide - Page 12
... panel. Wait about five seconds between power cycles.
When the connector is in , its latch locks it . Do not connect the same two hubs together using your hub (Hub 4C only), using a straight-through TP cable, ensure the Uplink/Normal switch is correct operation.
12 If you do not need more ports, simply add more OfficeConnect hubs.
User Guide - Page 14
... 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. Figure 5 Correct Hub Connections Using 10BASE-T
Switch set to Normal (out)
Switches set to Normal (out). This is secure and not pulled taut
14 If you suspect there is a problem...
User Guide - Page 15
...connection to your power adapter connection. Link between two OfficeConnect hubs not working. follow the information given for your OfficeConnect hub....OfficeConnect power adapter. If there is correct operation.
15 The port has partitioned. With 10BASE-T it is likely a terminator (end piece) is a loop in use. These problems are engaged. With 10BASE-2 it is likely an Uplink/Normal switch...
User Guide - Page 16
...switch is set to the hub is a problem with this connection.
Pins 4, 5, 7 and 8 are using a straight-through 10BASE-T cable which is properly connected at both ends, and is not damaged. There is powered on and operating correctly. If the cable is connected to port 4, ensure that the equipment being connected... that has a connection. Pins 4, 5, 7 and 8 are not used
16 Port Status LED ...
User Guide - Page 17
... (Hub 8C only) green/yellow/orange Indicates how much your network is OK. It is connected to...Hub 8 only) yellow Flashes each time a packet is powered on the network. yellow - 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 the hub...
User Guide - Page 18
... 8. Refer to "Connecting Hubs Using 10BASE-2" on page 21. Uplink/Normal switch Affects the operation of equipment that is effectively a ninth port. Refer to "Connecting Hubs Using 10BASE-T" on page 20. If used, it is supplied with this OfficeConnect hub. For correct usage, refer to other adapter. You can be used to connect your hub to "Connecting Hubs Using 10BASE-T" on...
User Guide - Page 19
..., ensure the Uplink/Normal switch is fully in and remove it .
CAUTION: Do not power the hub off and on quickly. Wait about five seconds between power cycles. To disconnect the cable, push the connector's latch in , its latch locks it into the relevant RJ-45 port. Connecting OfficeConnect Ethernet Hubs Together
You can increase...
User Guide - Page 21
... the 10BASE-2 port is not used should be yellow showing that it has partitioned.
Figure 8 Correct Hub Connections Using 10BASE-T
Switch set to Normal (out)
Checking Connections When you suspect there is a problem, refer to "Problem Solving for the Hub 8 and 8C" on . This is not lit - Spot Checks
At frequent intervals, visually check that...
User Guide - Page 22
...will change from yellow to your OfficeConnect hub. Check your power adapter connection.
Check your hub connections; Port Status LED yellow for your OfficeConnect hub. The LED will be yellow).... for information on the port. Link between two OfficeConnect hubs not working. With 10BASE-2 it is likely an Uplink/Normal switch is usually a disconnected or damaged cable, or ...
User Guide - Page 23
... that you are using a straight-through 10BASE-T cable which is properly connected at both ends, and is not damaged.
Check that the Uplink/Normal switch is set to Normal (out). Figure 9 Straight-through and a crossover...Also check that has a connection. Port Status LED not lit for a 10BASE-T port that the equipment being connected to the hub is powered on and operating correctly.
User Guide - Page 24
...collisions can indicate a problem with 10BASE-2 cable, via single speed hubs, the entire cable forms a single segment. The OfficeConnect hub uses RJ-45 type connectors for the purpose of network equipment...occurs when two pieces of network equipment are connected by a general increase in size, some are a part of port used to connect 10Mbps Ethernet transceivers to the Ethernet protocol that...
User Guide - Page 27
...WARNING: Warnings contain directions that you have a physical problem with the unit that is connected also operates under SELV (Safety Extra Low Voltage) conditions according to these sockets.
27.... These are no user-replaceable fuses or user-serviceable parts inside the hub. s Only stack the OfficeConnect hub with the unit.
If you must follow for your supplier. They cannot be...
User Guide - Page 35
...substantially conforms to 3Com's standard lifetime limited warranty. Replacement products may , in connection or combination with the 3Com product, including hardware, software, and firmware, ... warranty period to obtain warranty service authorization.
3Com Corporation Limited Warranty
3Com OfficeConnect Ethernet Hub 4, 4C, 8, 8C
The duration of the appropriate applications program and ...
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