Normal Tsw Operation; Tsw Problem Indications And Solutions; Tsw Board Led Locations - IBM TotalStorage SAN256N Director 2045-N16 Installation And Maintenance Manual

Fault LED
Pwr OK LED
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
Probable Cause
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SAN256N Director 2045-N16
TSW Board
Heartbeat LED
Online LED
Hardware diagnostics have failed.
The board may not be seated properly, or it may be faulty.