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the cable into an open port (1 through 5 except the crossover port) on the hub
(See Figure 1). The length of the cable must be less than 328 feet (100
meters). A proper network connection between the hub and an
active
workstation is indicated by a steady green LINK LED for that port.
2.1 Connecting Hub to Hub
The network can be expanded
beyond five workstations by
daisy-chaining two or more
hubs together. The hub’s fifth
port features an additional
cross-over connection to facili-
tate daisy-chaining hubs using
standard UTP cable. Plug one
end of a standard UTP cable
into the cross-over port and the
other end into a regular port (1
through 5) of a second hub
(see Figure 2). A maximum of 4 hubs can be connected together by daisy-chain-
ing.
Note: The cross-over port is port number 5 with a reversed pin-out. The cross-
over port and port 5 cannot be used simultaneously.
Section 3 - LED indicators
12 LEDs (see Figure 3) show the status of the hub and its network connections.
LED Function
POWER On - Hub is powered on.
Off - Hub is powered off.
LINK/RX On - A network link is established.
(1 through 5) Blink - Data is being received.
PARTITION On - The port has been disconnected from the network due to excessive
(1 through 5) collisions caused by the attached computer
COLLISION Blink - Two workstations have attempted to send data at the same time.
Figure 2 - Connecting Hubs
LINK/RX
PARTITION
54321
POWER
COLLISION
Figure 3 - HUB LEDs