IBM 5500 Operational, Installation, And Maintenance Manual page 75

Figure 29: Token Ring Startup Sequence of LED
Amber Green
Blinking Blinking
Off Off
Off Blinking
Off On
Explanation and Action
Slow blink; the adapter is waiting for
initialization. Perform the procedure
"Shutting Down" on page 65 and power up
your 5500 Control Unit. If the problem
persists, call service.
The adapter initialization is in progress, or the
controller is powered off. Perform the
procedure "Shutting Down" on page 65 and
power up your 5500 Control Unit. If the
problem persists, call service.
The adapter did not detect any problems
during its self-diagnostic tests and is waiting
to open.
If this LED state occurs after the adapter has
been opened, this state indicates that the
adapter has been closed under software
control. Perform the procedure "Shutting
Down" on page 65 and power up your 5500
Control Unit. If the problem persists, call
service.
The adapter is open and operating correctly
Check your TCP/IP configuration. See
"Configuring the LAN" on page 62
75