Technical data

Using the Centillion 100 ATMSpeed/155 Switch Modules and Media Dependent Adapters
2-18 893-01047-A
The ATMSpeed/155 MCP module also has three LEDs for the 10BASE-T
Ethernet MCP port, as shown in Figure
2-28. Table 2-2 lists the meaning of each
LED.
Figure 2-28. ATMSpeed/155 MCP module LEDs for the 10BASE-T MCP
port
The ATMSpeed/155 MDA MCP module also has three LEDs for the 10BASE-T
EThernet MCP port, as shown in Figure
2-29. Table 2-2 lists the meaning of each
LED.
Figure 2-29. ATMSpeed/155 MDA MCP module LEDs for the 10BASE-T
MCP port
Table 2-1. ATMSpeed/155, ATMSpeed/155 MCP, and ATMSpeed/155
MDA and MDA MCP module LED definitions for ATM ports
LED name Meaning
En Remains on while port is enabled from network management.
RX Turns on as calls are received on the port.
TX Turns on as cells are transmitted on the port.
FERF Turns on for far end receiver fault (FERF), also known as remote
defect indication (RDI).
LOF Turns on to indicate loss of frame.
LOS Turns on to indicate loss of signal.
TX
RX
L
6728.1
Diag
Activity
Link
7882PEA