Head2 - status leds, Head2 - cable specifications, Status leds – Allied Telesis AT-PBC18 User Manual
Page 58: Cable specifications

Installing a Media Converter Module
58
Status LEDs
Table 8 lists the status LEDs.
Table 8 AT-PB100 Series Status LEDs
Cable
Specifications
Table 9 lists the cabling specifications for the 100Base-TX twisted pair
port for all AT-PB100 Series modules.
Table 9 100Base-TX Twisted Pair Specifications
LED
Color
Description
PR
Green
Power is applied to the media converter.
LK
Green
A link has been established on the port.
AT
Green
Data is being received on the port.
FD
Green
OFF
The media converter is operating in full-duplex
mode.
The media converter is operating in half-duplex
mode.
ML ON
Green
OFF
The MissingLink feature is enabled on the media
converter.
The MissingLink feature is disabled and the media
converter is performing a link test.
Connector
Cable Maximum
Distance
RJ-45
Shielded or unshielded twisted
pair Category 5 or better
100 m (328 ft)