Allied Telesis AT-GS948MX - Powered Device Classes; Cable Requirements; Table 2: IEEE Powered Device Classes; Table 3: Twisted Pair Cable Requirements for the 10;100 Base-TX Ports at 10 or 100 Mbps

AT-GS900MX Series Installation Guide for VCStack
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Powered Device
Classes
Powered devices are grouped into the five classes listed in Table 2. The
classes are based on the amount of power the devices require. The
switches support all five classes.
Cable
Requirements
The cable requirements for ports operating at 10 or 100Mbps are given in
Table 3.
Table 2. IEEE Powered Device Classes
Class
Maximum Power
Output from a Switch
Port
PD Power Range
0 15.4W 0.44W to 12.95W
1 4.0W 0.44W to 3.84W
2 7.0W 3.84W to 6.49W
3 15.4W 6.49W to 12.95W
4 30.0W 12.95W to 25.5W
Table 3. Twisted Pair Cable Requirements for the 10/100Base-TX Ports at 10 or 100Mbps
Cable Type
10Mbps 100Mbps
Non-
PoE
PoE PoE+
Non-
PoE
PoE PoE+
Standard TIA/EIA 568-B-
compliant Category 3 shielded
or unshielded cabling with 100
ohm impedance and a
frequency of 16 MHz.
YesNoNoYesNoNo
Standard TIA/EIA 568-A-
compliant Category 5 shielded
or unshielded cabling with 100
ohm impedance and a
frequency of 100 MHz.
Yes Yes No Yes Yes No
Standard TIA/EIA 568-B-
compliant Enhanced Category
5 (Cat 5e) shielded or
unshielded cabling with 100
ohm impedance and a
frequency of 100 MHz.
Yes Yes Yes Yes Yes Yes