
Chapter 4: AT-MCF2000M Management Module
68 Section I: Features
RS-232 Terminal
Port LED
The RS-232 Terminal port, used for local management of the chassis or
stack, has a L/A (Link/Activity) LED.
Figure 29. Link/Activity LED on the RS-232 Terminal Port
Table 15 defines the states of the LED.
Power Off The management module is not receiving
power or the power is not within the
permitted operating range.
Green The management module is receiving
power.
Table 14. General Status LEDs (Continued)
LED State Description
Table 15. Link/Activity LED on the RS-232 Terminal Port
State Description
Off This LED setting is reserved for future use.
Green The management module has established a link to
the console connected to the port.
Flashing Green The management module is sending or receiving data
from the console connected to the port.
AT-MCF2000M
STACK MANAGEMENT
TERMINAL
10/100/1000BASE-T
RS-232
RESET
SD
RDY
BUSY
MASTER
POWER
BOOT
RDY
FAULT
1000 LINK ACT 10/100 LINK ACT FDX HDX COL
LINK ACT
PORT ACTIVITY
1421
SYSTEM
ID
31
0
RS-232 Terminal
Port LED
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