Product data

Grounding Check (2104 Model TU3)
1. Refer to Figure 19.
2. Ensure that a power cable is plugged into each power socket 1.
3. Ensure that the other ends of the power cables are not plugged into electrical
power outlets. Unplug the cables if necessary.
4. Attention: Some electrical circuits could be damaged if the external SCSI cables
are present at the 2104 while the grounding check is being done.
Ensure that no external SCSI cables are present at the SCSI connectors 2.
5. Check for continuity between the frame of the 2104 3 and the ground pin of
each power cable.
6. If the continuity is good (see step 3a on page 31), the grounding of the 2104 is
correct. Go no further with these instructions.
7. If the grounding is not correct, unplug the power cables from the mainline power
connectors. Then continue with step 8.
8. Check each power cable, for continuity.
Figure 19. Power Cables and SCSI Connectors (2104 Model TU3)
Chapter 1. Reference Information 35