BLACK BOX
Media Converters Installation and User Guide (01/02)
34
4.4
Front Panel LEDs - - BLACK BOX
LE1500A-UTP and LE1501A
LED
Description
PWR
Illuminates GREEN to indicate the unit is receiving DC power.
LINK
(per port)
Illuminates GREEN, to indicate proper connectivity on
each cable segment(non-Link Pass-through models). LINK will
turn off in the event connectivity is lost between the ends of the
twisted pair segment or a loss of power occurs in the unit or in the
attached device. For Link Pass-through models, see Section3.3.3#6
RX
(per port) Illuminates GREEN to indicate data is being received.
TX
(Fiber) Illuminates GREEN to indicate data is being transmitted
POL
(TP) Illuminates AMBER to indicate inverse polarity detected.
JAB
(per port) When present, illuminates to indicate half-duplex jabber
(illegal packet length) condition. (Inoperable or not present on
models with the FULL/HALF DUPLEX tag on the unit’s bottom).
COL
(per port) When present, illuminates to indicate a half-duplex
collision on the segment. (Inoperable or not present on models
with the FULL/HALF DUPLEX tag on the bottom of the unit