10/100/ 1000base-t management port leds, 10/100/1000base-t management port leds, Table 4: link/activity led on the management port – Allied Telesis AT-MCF2000M User Manual
Page 35: At-mcf2000m

AT-MCF2000M Management Module Installation Guide
35
10/100/
1000Base-T
Management
Port LEDs
The 10/100/1000Base-T Management port has a L/A (Link/
Activity) LED and a D/C (Duplex-mode/Collisions) LED.
Figure 9. Link/Activity and Duplex-mode LEDs on the
Management Port
The states of the Link/Activity LED are defined in Table 4.
Table 4. Link/Activity LED on the Management Port
State
Description
Off
The port has not established a link with a
network device.
Steady
Green
The port has established an 1000 Mbps
link with a network device, but is not
forwarding or receiving network packets.
Flashing
Green
The port has established an 1000 Mbps
link with a network device and is
forwarding or receiving network packets.
Steady
Amber
The port has established a 10 or 100 Mbps
link with a network device, but is not
forwarding or receiving network packets.
Flashing
Amber
The port has established a 10 or 100 Mbps
link with a network device and is
forwarding or receiving network packets.
AT-MCF2000M
STACK
MANAGEMENT
TERMINAL
10/100/1000BASE-T
RS-232
1000 LINK
AC
LINK
ACT
1199b
Link/Activity
LED
Duplex-mode/
Collisions LED