IBM 3746 Installation Instructions Manual page 8

IBML
Installation Instructions
Power Supply Status
LEDs
Yellow
(Overcurrent)
Green DC
Green AC
System Card Status
LEDs
PCMCIA 1 or
PCMCIA 2
(Yellow)
OK (Green)
OK (Yellow)
Fault Hard Drive
(Yellow)
Adapter Card Status
LEDs
OK (Green)
OK (Yellow)
Wrong slot
(Yellow)
Green port (See
note).
Yellow port (See
note).
Note: The port LEDs of the multiport WAN adapters (FC 3282, FC 3291, and FC 3292)
reflect the status of one or more of the ports.
3746 PN 25L9934 EC F12604
FFBM 8 of 10 14/04/1998
8
Meaning
On - There is an overcurrent condition with the
more of the adapters (slots 1− 8 ) or the
+ + −
On - 5 V, 12 V, and
On - AC source voltage is present and within tolerance.
Meaning
On - PCMCIA device has a fault, is not installed, or is not seated
correctly.
Off - Device passed self-tests
On - Card hardware is operating normally.
Blinking - Loading from hard file
On - Card hardware has a fault.
On - Hard drive has failed.
Meaning
On - Adapter is operating normally.
On - Adapter has a fault.
On - Adapter is in the wrong slot.
The wrong slot LED is ON only when an adapter that is plugged
into the multiaccess enclosure violates the plugging rules.
On - Port is operating normally (enabled and configured).
Off - Port is not configured or is disabled.
For the ESCON adapter:
Blinking - The optical power measurement test is running.
On - One or more ports has a hardware fault.
Blinking - One or more ports has a port I/O or network failure.
Use the Maintenance Analysis Procedures (MAPs) to isolate.
Off - No problem detected.
−
48 V to one or
+
12 V to the fan tray.
48 V are OK.