AT-GS950/10PS, AT-GS950/16PS, and AT-GS950/48PS Switches Installation Guide
21
Twisted Pair Ports
The AT-GS950/10PS, AT-GS950/16PS, and AT-GS950/48PS Layer 2
Gigabit Ethernet Switches feature 10, 16, and 48 twisted pair ports,
respectively. All ports are 10Base-T, 100Base-TX, and 1000Base-TX
compliant. You can set the port speeds and duplex modes either
automatically with IEEE 802.3u Auto-Negotiation or manually with the
management software.
The twisted pair ports feature 8-pin RJ-45 connectors. For the port pinouts,
see “Connectors and Port Pinouts” on page 63.
The ports have a maximum operating distance of 100 m (328 feet). For 10
Mbps operation, the ports require Category 3 or better 100 ohm shielded
or unshielded twisted pair cabling. For 100 or 1000 Mbps operation, the
ports require Category 5 or Enhanced Category 5 (5E) 100 ohm shielded
or unshielded twisted pair cabling.
The ports feature auto-MDI, which automatically configures the ports as
MDI or MDI-X. This feature allows you to use straight-through twisted pair
cables regardless of the wiring configurations of the ports on the end
nodes.
A switch port connected to an end node that is not using Auto-
Negotiation should not use Auto-Negotiation to set the speed and
duplex mode, because a duplex mode mismatch may occur. In this
case, disable Auto-Negotiation and set the port’s speed and duplex
mode manually.
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