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Chapter 4: Install Twisted-Pair Ports Cables
Twisted-Pair Port Cables
62
Here are the guidelines to cabling the 10/100/1000Base-T twisted-pair
ports:
The ports have 8-pin RJ45 connectors.
The cable specifications for the twisted-pair ports are listed in
Table 1 on page 24.
The cable specifications for the PoE twisted-pair ports are listed in
Table 3 on page 26.
The connectors on the cables should fit snugly into the ports, and
the tabs should lock the connectors into place.
The default setting for PoE on ports 1 to 8 on the IS230-10GP
switch is enabled.
The 10/100/1000Base-T ports must be set to Auto-Negotiation, the
default setting, to operate at 1000Mbps.
The default duplex mode setting for the ports is Auto-Negotiation.
This setting is appropriate for ports connected to network devices
that also support Auto-Negotiation for duplex modes.
The default duplex mode setting of Auto-Negotiation is not
appropriate for ports connected to network devices that do not
support Auto-Negotiation and have a fixed duplex mode. Disable
Auto-Negotiation on those ports and set their duplex modes
manually to avoid the possibility of duplex mode mismatches. A
switch port using Auto-Negotiation defaults to half-duplex if it
detects that the end node is not using Auto-Negotiation. This can
result in a mismatch if the end node is operating at a fixed duplex
mode of full-duplex.
The default wiring configuration of the ports is automatic MDIX
detection, which configures the MDI/MDIX setting automatically.
This setting is appropriate for switch ports that are connected to
network devices that also support the feature.
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