Allied-telesis x310 Series Uživatelský manuál stáhnout pdf (Strana 24)

Chapter 1: Overview

Maximum

Distance

The ports have a maximum operating distance of 100 meters (328 feet).

Power Over

Ethernet

The 10/100Base-TX ports on the AT-x310-26FP and AT-x310-50FP

Switches support Power over Ethernet (PoE). The ports supply DC power

to network devices over the network twisted pair cables. The switches

support PoE (IEEE 802.3af) and PoE+ (IEEE 802.3at). For background

information, refer to “Power Over Ethernet” on page 27.

Cable

Requirements

The cable requirements of the ports are given in Table 1.

Table 1. Twisted Pair Cable Requirements for the 10/100Base-TX Ports

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.

Yes No No Yes No No

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

Standard TIA/EIA 568-B-

compliant Category 6 or 6a

shielded cabling.

Yes Yes Yes Yes Yes Yes

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