Allied Telesis AT-8550SP - Manual (Page 49)

AT-8500 Series Fast Ethernet Switch Installation Guide
49
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)