IBM TotalStorage SAN256N Director 2045-N16, Руководство по установке и обслуживанию, Страница: 128 / 157

SAN256N Director 2045-N16
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Figure 43. TSW Board LED Locations
Normal TSW operation
During normal operation, the TSW Status LEDs provide the following information:
• The PWR OK LED is green, indicating that DC power to the module is within
tolerances and the module is not in a power on reset condition.
• The ONLINE LED is green, indicating that the TSW is active and logged into the fabric.
• The HEARTBEAT LED is flashing yellow, indicating that the module is functioning
correctly.
• The FAULT LED is not lit.
TSW problem indications and solutions
The following is a list of possible TSW problem indications, descriptions of the problems,
a probable cause, and an action to take.
Table 10. TSW problem indications, solution 1
PWR OK LED is not lit
Problem Summary Hardware diagnostics have failed.
Probable Cause The board may not be seated properly, or it may be faulty.
TSW Board
Online LED
Heartbeat LED
Fault LED
Pwr OK LED