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Chapter 1: Overview
Automatic MDIX
Detection
Port Pinouts
16
Draft 11-11-2016
Table 2. Twisted Pair Cable for the LAN Port
Cable Type
Standard TIA/EIA 568-
B-compliant Category 3
shielded or unshielded
cabling with 100 ohm
impedance and 16 MHz
frequency.
Standard TIA/EIA 568-
A-compliant Category 5
shielded or unshielded
cabling with 100 ohm
impedance and 100
MHz frequency.
Standard TIA/EIA 568-
B-compliant Enhanced
Category 5 (Cat 5e)
shielded or unshielded
cabling with 100 ohm
impedance and 100
MHz frequency.
Standard TIA/EIA 568-
B-compliant Category 6
or 6a shielded cabling.
The 10/100/1000 Mbps twisted-pair port is IEEE 802.3ab compliant and
features automatic MDIX detection when operating at 10 or 100 Mbps.
(Automatic MDIX detection does not apply to 1000 Mbps.) This feature
automatically configures the port to MDI or MDI-X, depending on the
wiring configuration of the port on the Ethernet switch.
You may not disable automatic MDIX detection. For automatic MDIX
detection to work properly, it must also be present on the Ethernet switch.
The LAN port defaults to MDIX if it is connected to a network device that
does not support automatic MDIX detection.
Refer to Table 9 on page 35 for the port pinouts of the LAN port when it is
operating at 10 or 100 Mbps in the MDI configuration and Table 10 on
page 36 for the MDI-X configuration. Refer to Table 11 on page 36 for the
port pinouts when the port is operating at 1000 Mbps.
10Mbps
100Mbps
Non-
Non-
PoE+
PoE+
PoE+
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
1000Mbps
Non-
PoE+
PoE+
PoE+
No
No
No
Yes
No
No
Yes
Yes
Yes
Yes
Yes
Yes
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