CANOGA PERKINS 9151 Network Interface Device - Manual (Page 11)

The LEDs on the front panel show the system and port conditions. The STA and CFG LEDs show
the management conditions; see Table 1. Each interface module includes from two to six LEDs;
Table 2 lists all possible LEDs. For details about the LEDs, see your interface module and Tables 1
and 2.
Table 1. 9151 Management LEDs
LED Status Description
P1 (Primary) or Off No power/power supply not installed
P2 (Secondary) Power Green Normal operation
Amber System self-test
Red Power failure/Major alarm
Fans Green Normal operation
Amber System self-test/one fan failed
Red Power failure
Red blinking Fan not installed
Management Off No power
Green Normal operation
Green blinking Management traffic
Amber System self-test/over-temperature
Amber blinking Management traffic with over-temperature
Red Diagnostic or CPU failure
Table 2. 9151 Interface LEDs
LED Status Description
TX Off No transmission activity
Green blinking Transmission activity
Amber System self-test
Amber blinking Collisions
Red Port disabled; may be due to Link Loss Forwarding (LLF)
RX Off No link
Green Link established
Green blinking Receiving activity; if UTP port, full duplex (FDX)
Amber System self-test or, if UTP port, half duplex (HDX)
Amber blinking Receiving activity; if UTP port, HDX
NET Off Non-network connection
Green Network connection
Amber System self-test
9151 Network Interface Device 2-3