Allied Telesis AT-GS2002 Series, Руководство по установке

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Chapter 2: Installing the Bridging Converter
34
Planning the Installation
Be sure to observe the following guidelines when planning the installation
of your bridging converter.
ˆ
The end-node connected to the 1000Base-SX port must be
compatible with the SFP transceiver.
ˆ
The 10/100/1000Base-T twisted pair port may be set to match the
speed and mode of the connected device or allowed to Auto-
Negotiate.
ˆ
The end-node connected to a port on the bridging converter can be
any other ethernet network device, such as an adapter card, repeater,
router, hub, or another switch.
ˆ
The twisted pair cabling must be kept away from sources of electrical
noise, such as radios, transmitters, power lines, broadband
amplifiers, electrical motor, and fluorescent fixtures.
Table 6 lists the twisted pair port cabling specifications.
Table 6. Twisted Pair Cabling and Distance Specifications
Speed Type of Cable
Maximum
Operating
Distance
10 Mbps Category 3 or better 100 ohm
shielded or unshielded twisted pair
cable 100 m (328 ft)
100 Mbps Category 5 or Category 5E
(Enhanced) 100 ohm shielded or
unshielded twisted pair cable 100 m (328 ft)
1000 Mbps Category 5 or Category 5E
(Enhanced) 100 ohm shielded and
unshielded twisted pair cable 100 m (328 ft)