Parts Listing; List - IBM TotalStorage DS4000 Hardware Maintenance Manual

Table 51. Symptom-to-FRU index for FAStT EXP500 storage expansion unit (continued)
Problem Indicator
Amber temperature LED enabled in RAID management
software. (ESM Board)
Amber conflict LED on. (ESM Board)
GBIC bypass LED.
Note:
It is normal for the LED to be on when no GBIC or
cable is installed.
Note: If you cannot find the problem using this Symptom-to-FRU Index, test the

Parts listing

Figure 70 and the following table provide a parts listing for the FAStT EXP500
storage expansion unit.
Figure 70. FAStT EXP500 storage expansion unit parts list
Index System (IBM FAStT EXP500 storage expansion unit - Type 3560,
Model 1RU)
1 Rail Kit Left/Right (Model 1RU)
2 Blower Assembly (Model 1RU)
3 350-W Power Supply Assembly (Model 1RU)
4 Electronic Module (ESM, LVD/LVD) (Model 1RU)
116
IBM TotalStorage DS4000: Hardware Maintenance Manual
entire system. See the server documentation for detailed information on
testing and diagnostic tools.
6
7
Action/FRU
1. Check for fan fault LED
2. Unit is overheating; check temperature.
3. ESM Board
1. Tray numbers of ESM boards within a single FAStT
EXP500 do not match
1. Check ESM fault LED
2. GBIC does not detect an incoming signal
a. FC Cable
b. GBIC or other end on the FC cable
c. GBIC adjacent to amber LEDC cable
2
5
1
3
4
FRU No.
37L0067
09N7285
37L0059
37L0103