Installation Manual
Installing S25N and S25V Systems 13
Table 3 describes the LED status indicators on the left side of the front panel.
* Each of the four XFP LEDs on the front panel also indicate the status when CX4 ports are installed in the rear bays.
Table 3 Status Panel LED Display
Label LED Color Description
Left Side of the Status LED Group
OK
Green
Off
Green Blinking
Amber
Unit is online.
Unit is powered off.
Unit is booting up. (blinking rate is 16 Hz)
Error during boot-up.
AC1 (on S25N)
AC (on S25V)
Green
Amber
Off
Power supply is present and OK.
Power supply is present but failed.
Power supply is not present.
XFP25*
Green
Blinking Green
Off
A valid 10G link is established on the port.
Transmitting or receiving packets on the port.
No link is established on the port.
XFP26*
Green
Blinking Green
Off
A valid 10G link is established on the port.
Transmitting or receiving packets on the port.
No link is established on the port.
STACK ID Green
Indicates the stack ID (sometimes called "switch ID") of the unit.
Starting with FTOS 7.8.1.0:
•“A” is displayed to the left of the stack ID if the unit is a standalone or
master (management) unit.
•“B” is displayed for a standby unit. (Actually, it’s an 8, because of the
limitations of the 7-segment LED.)
•“0” is displayed next to the stack ID, as before, for the other units.
Right Side of the Status LED Group
Alarm
Amber
Red
Off
Minor alarm: Fan or temperature is operating outside parameters.
Major alarm
No alarm
AC2 (on S25N)
DC (on S25V)
Green
Amber
Off
Power supply is present and OK.
Power supply is present but failed.
Power supply is not present.
XFP27*
Green
Blinking Green
Off
A valid 10G link is established on the port.
Transmitting or receiving packets on the port.
No link is established on the port.
XFP28*
Green
Blinking Green
Off
A valid 10G link is established on the port.
Transmitting or receiving packets on the port.
No link is established on the port.