724-746-5500 | blackbox.com
Page 9
Chapter 1: Specifications
1.3 Front-Panel LEDs: LIG1014A
LED Name
Status
Condition
(1) P1 LED
ON, Green
P1 power line has power
OFF
P1 power line is disconnected or does not
have power
(1) P2 LED
ON, Green
P2 power line has power
OFF
P2 power line is disconnected or does not
have power
(1) Alarm LED
ON, Red
Power failure alarm occurs
OFF
No power failure alarm
(10) Link/Act
LEDs for RJ-45
ports
On, Green
Ethernet link is up but no traffic is detected
OFF
Ethernet link is down
(10) Speed LEDs
for RJ-45 ports
ON, Yellow
1000-Mbps connection is detected.
OFF
No link, a 10-Mbps or 100-Mbps
connection is detected
(4) Link/Act LED
for SFP port
ON, Green
Ethernet link is up
OFF
Ethernet link is down
(4) Speed LED
for SFP port
ON, Yellow
SFP port speed 1000-Mbps connection is
detected
OFF
No link, or an SFP port speed 100-Mbps con-
nection is detected