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All the ports automatically detect the signal from the connected devices
to negotiate the link speed and duplex mode. Auto MDI/MDIX allows you
to connect another switch, hub, or workstation without changing straight-
through or crossover cables. Crossover cables cross-connect the transmit
lines at each end to the received lines at the opposite end.
Connect one side of an Ethernet cable into any switch port and connect the
other side to your attached device. The LINK/ACT LED is lit when the cable is
correctly connected. Always make sure that the cables between the switches
and attached devices (for example, switch, hub, or workstation) are less than
100 meters (328 feet).
The wiring cable types are as follows:
•
1000BASE-T/802.3af: Cat 5
•
802.3at: Cat 5e/6
Connecting the SFP Transceivers
You can optionally connect SFP transceivers. Comtrol recommends using
Comtrol-approved SFP mini GBIC transceivers. The SFP ports also provide
Digital Diagnostic Monitoring, which can assist you in monitoring the quality
of the optical signal, and diagnose the transmission. This function is only
available for Comtrol certified DDM SFP transceivers, and does not support
4
1000BASE-TX
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