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4-2
Making Network Connections
4
2. If the device is a PC card and the switch is in the wiring closet, attach the other
end of the cable segment to a modular wall outlet that is connected to the wiring
closet. (See “Wiring Closet Connections” on the next page.) Otherwise, attach
the other end to an available port on the switch.
3. Make sure each twisted pair cable does not exceed 100 meters (328 ft) in
length.
Note: Avoid using flow control on a port connected to a hub unless it is actually required
to solve a problem. Otherwise back pressure jamming signals may degrade
overall performance for the segment attached to the hub.
4. As each connection is made, the green Link LED (on the switch) corresponding
to each port will light to indicate that the connection is valid.
Network Wiring Connections
Today, the punch-down block is an integral part of many of the newer equipment
racks. It is actually part of the patch panel. Instructions for making connections in the
wiring closet with this type of equipment follows.
1. Attach one end of a patch cable to an available port on the switch, and the other
end to the patch panel.
2. If not already in place, attach one end of a cable segment to the back of the
patch panel where the punch-down block is located, and the other end to a
modular wall outlet.
3. Label the cables to simplify future troubleshooting.
Figure 4-2. Network Wiring Connections
Equipment Rack
(side view)
Network Switch
Patch Panel
Punch-Down Block
Wall
witch10/100
6724L3
E
S
4
5
2
4
C