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Chapter 3
Switch Installation
Step 1
Note
Figure 3-42 Connecting to an SFP Module Port
1 3
1 4
1 5
1 6
1 7
1 8
13 X
1 9
2 0
2 1
14 X
1
1
RJ-45 connector
Step 2
Step 3
Step 4
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When connecting to servers, workstations, and routers, insert a four twisted-pair,
straight-through cable in the RJ-45 connector. When connecting to switches or
repeaters, insert a four twisted-pair, crossover cable.
When connecting to a 1000BASE-T device, be sure to use a four twisted-pair,
Category 5 cable.
2 2
C a t a ly s t
2 3
2 4
3 7 5 0
S E R IE S
23 X
1
24 X
Insert the other cable end in an RJ-45 connector on a target device.
Observe the port status LED.
The LED turns green when the switch and the target device have an established
link.
The LED turns amber while the STP discovers the network topology and searches
for loops. This process takes about 30 seconds, and then the port LED turns green.
If the LED is off, the target device might not be turned on, there might be a cable
problem, or there might be problem with the adapter installed in the target device.
See
Chapter 4, "Troubleshooting,"
If necessary, reconfigure and restart the switch or target device.
2
for solutions to cabling problems.
Catalyst 3750 Switch Hardware Installation Guide
Connecting to an SFP Module
3-49
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