Allied Telesis AT-9448Ts/XP - Manual (Page 75)

AT-9400 Stack Installation Guide
75
Note
A 10/100/1000Base-T twisted pair port must be set to Auto -
Negotiation to operate at 1000 Mbps. You cannot manually set the
speed of a twisted pair port to 1000 Mbps.
Optional
Transceiver
Cable
Specifications
The cable specifications for an optional GBIC, SFP, or XFP transceiver
can be found in the transceiver’s installation guide shipped with the device.