Allied Telesis AT-x230-10GP Installation Guide download pdf (Page 29)

AT-x230-10GP and AT-x230-18GP Switches Installation Guide

Power budget The AT-x230-10GP and AT-x230-18GP switches each have a power

budget of 124 and 247 watts, respectively. This is the maximum amount of

power the switches can provide at one time to the powered devices.

The power requirements of the PoE devices determine the maximum

number of devices the switch can support at one time. So long as the total

power requirements of the powered devices is less than the power budget

of the switch, the switch can supply power to all the devices. But if the total

power requirements exceed the power budget, the switch denies power to

one or more ports using a mechanism referred to as port prioritization.

To determine whether the power requirements of the PoE devices you

plan to connect to the switch exceed its power budget, refer to their

documentation for their power requirements and add the requirements

together. The switch should be able to power all of the devices

simultaneously as long as the total is below its power budget. If the total

exceeds the available power budget, you should consider reducing the

ABLE 3. TWISTED PAIR CABLE REQUIREMENTS FOR THE 10/1000BASE-T

AND 100BASE-TX PORTS AT 1000MBPS

Cable type

1000Mbps

Non-PoE PoE PoE+

Cat 3: Standard TIA/EIA 568-B-

compliant Category 3 shielded

or unshielded cabling with 100

ohm impedance and a

frequency of 16 MHz

No No No

Cat 5: 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

Cat 5e: 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

Cat 6 or 6a: Standard TIA/EIA

568-B-compliant Category 6 or

6a shielded cabling

Yes Yes Yes

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Allied Telesis AT-x230-10GP Installation Guide Page 29

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