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AT-8500 Series Fast Ethernet Switch Installation Guide

Note

The 10/100/1000Base-T ports, Ports 49R and 50R, on the AT-8550GB

and AT-8550SP switches can operate at 1000 Mbps only when set

to Auto-Negotiation, which is the default setting. You cannot

manually set these ports to 1000 Mbps.

Table 9 contains the cabling specifications for the fiber optic ports on an

AT-8516F/SC switch.

Note

For cabling specifications for an optional GBIC module, SFP

module, expansion module, or stacking module, refer to the

installation guide included with the option.

Table 9 Fiber Optic Cabling and Distance

Model Speed Type of Cable Maximum

Operating

Distance

AT-8516F/SC 100 Mbps 50/125 or 62.5/125

micron (core/

cladding)

multimode fiber

optic cable

Full-duplex

mode: 2 km

(1.25 mi)

Half-duplex

mode: 412 m

(1,360 ft)

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Allied-telesis AT-8550SP Bedienungsanleitung Seite 49