10/100/1000Base-T Twisted Pair Ports; Speed; Duplex Mode; Wiring Configuration - Allied Telesis AT-x510-28GPX Installation Manual

10/100/1000Base-T Twisted Pair Ports

Speed

Duplex Mode

Wiring
Configuration
The AT-x510-28GTX, AT-x510-28GPX, AT-x510L-28GT, and
AT-x510L-28GP Switches have 24 10/100/1000Base-T ports. The
AT-x510-52GTX, AT-x510-52GPX, AT-x510L-52GT, and AT-x510L-52GP
Switches have 48 10/100/1000Base-T ports.
The ports can operate at 10, 100, or 1000 Mbps. The speeds may be set
manually using the management software or automatically with Auto-
Negotiation (IEEE 802.3u), the default setting.
Note
The ports must be set to Auto-Negotiation to function at 1000 Mbps
and are not compatible with devices that are not IEEE 802.3u
compliant.
The twisted pair ports can operate in either half- or full-duplex mode. The
duplex mode of a port, like port speed, may be set manually using the
management software or automatically with Auto-Negotiation (IEEE
802.3u), the default setting.
The speed and duplex mode settings of a port may be set independently
of each other. For example, a port may be configured such that its speed
is set manually while its duplex mode is established through Auto-
Negotiation.
Note
A switch port should not use Auto-Negotiation to set its duplex mode
if it is connected to a network device that does not support Auto-
Negotiation for 10 or 100 Mbps operation and has a fixed duplex
mode of full-duplex. Otherwise, a duplex-mode mismatch may occur
in which a switch port and a network device operate at different
duplex modes. The duplex modes of switch ports that are connected
to network devices that do not support Auto-Negotiation should be
set manually through the management software.
The wiring configuration of a port operating at 10 or 100 Mbps can be MDI
or MDI-X. The wiring configurations of a switch port and a network device
connected with straight-through twisted pair cabling have to be opposite,
such that one device is using MDI and the other MDI-X. For instance, a
switch port has to be set to MDI-X if it is connected to a network device set
to MDI.
x510 Series Installation Guide for Stand-alone Switches
25