IBM totalstorage 200, Service Manual

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Operator information panel
The operator information panel on the front of the appliance contains status LEDs.
1
Information LED
2
System Error LED
3
Ethernet Transmit/Receive Activity (TX/RX) LED
4
Ethernet Link Status (LINK OK) LED
5
Ethernet Speed (100 MB) LED
6
Power-on LED
7
POST Complete (OK) LED
8
SCSI Hard Drive In-use LED
Information LED
This amber LED is on when the information log contains information about
certain conditions in your appliance that might affect performance. For
example, the LED is on if your appliance does not have redundant power. A
LED on the diagnostic panel on the system board will also be on.
System Error LED
This amber LED is on when a system error occurs. A LED on the diagnostic
panel on the system board will also be on to further isolate the error.
Ethernet Transmit/Receive Activity LED
This green LED is on when there is transmit or receive activity to or from
the appliance on the Service Ethernet port.
Ethernet Link Status LED
This green LED is on when there is an active connection on the Service
Ethernet port.
Ethernet Speed LED
This green LED is on when the Service Ethernet LAN speed is 100 Mbps.
Power-on LED
This green LED is on when system power is present in the appliance.
When this LED flashes, the appliance is in standby mode (the system
power supply is turned off and AC current is present). If this LED is not on,
the power cord is not connected, the power supply has failed, or this LED
has failed.
OK
100
MB
LINK
OK
TX
RX
Figure 5. Operator information panel
Chapter 1. Troubleshooting
5