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Installing and Setting Up the Unit
9
Grounding
Reliable grounding of this equipment must be maintained. Particular attention should be given
to electrical connections when connecting to a power strip, rather than direct connections to the
electrical outlet.
Connecting Ethernet Devices
For optimum performance, the Ethernet segments connected to the NH2025-10 must be
configured carefully. Generally, the segments should be configured so that machines on a given
port communicate primarily among themselves; that is, most traffic does not need to cross the
switch. However, this is not the best configuration for certain situations.
Connecting Your Network
The cable connections to the 10/100BaseTX ports can be UTP or STP Category 3 and above, and
cable length is limited to 100 meters on each port. STP cable carries a higher quality of signal
and is less sensitive to environmental noise.
The RJ-45 ports of the switch are defined as MDI-X ports.
The 10/100BaseTX ports on the NH2025-10 are designed to be connected directly to a
workstation, using a standard straight through patch cable. In order to cascade switches or
connect a hub to the switch, a crossover cable must be used.
Figure 7 - Straight Cable Connection Between a NH2025-10 and a Workstation
Figure 8 - Crossover Cable Connection Between an NH2025-10 and a Hub