Technical data

Port side LED patterns during normal operation (Continued)TABLE 3
LED name LED color Status of hardware Recommended action
Slow-flashing amber (on 2
seconds; then off 2
seconds)
Port is disabled because of
diagnostics or the
portDisable command.
Reset the port.
The
portCfgPersistentDisable
command is persistent
across reboots.
Fast-flashing amber (on
1/2 second; then off 1/2
second)
SFP or port is faulty. Reset the port.
Replace the SFP. Must be
a Brocade-branded SFP.
10 GE/40 GE Ethernet
Port Status
No light (LED is off) Port is offline. No activity. Verify that the power LED
is on; check the
transceiver and cable.
Steady green Port is online and active. No action required.
LEDs on the nonport side of the switch
The nonport side of the switch has the following LEDs:
• One LED per fan FRU
• One AC LED per PSU FRU
• One DC LED per PSU FRU
Refer to Nonport side of the switch on page 14 for a diagram of the nonport side of the switch.
FIGURE 8 LEDs on nonport side
1 Power supply DC status LED
3 Fan status LED
LEDs on the nonport side of the switch
34 Brocade 7840 Extension Switch Hardware Reference Manual
53-1003127-02