Juniper T320 Manual page 120

T320 Core Router Interface Module Reference
LEDs
Related
Documentation
104
Status LED, one bicolor:
Off—PIC ports not enabled
Green—PIC is operating normally
Red—PIC has an error or failure
4-port PIC—One pair of port LEDs:
Link LED—If green, the port is online; if there is no light, the port is down
RX LED—If flashing green, the port is receiving data; if there is no light, the port might be on but
is not receiving data
12-port PIC—One port LED per port:
Green—100-Mbps link established
Flashing green—100-Mbps activity
Yellow—10-Mbps link established
Flashing yellow—10-Mbps activity
Off—No link present
NOTE: The port LEDs remain lit on the 12-port PIC when the ports are down.
NOTE: The 48-port PIC does not have port LEDs. To check port status on a 48-port PIC, use the
fpc/pic/port command. For more information about this command, see the
show interfaces fe-
Junos OS Network Interfaces Library for Routing Devices.
T320 PIC Description
T320 PIC Combination Limitations
T320 PICs Supported on page 3
T320 FPCs Supported
T320 PIC/FPC Compatibility on page 10
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