Grass Valley PDX 208 - Manual (Page 59)

Removing and Replacing the SCSI Distribution
PDX208 Instruction Manual 3-27
To remove the SCSI Distribution board:
1. Remove the PDX208 from the equipment rack.
2. Remove the top cover (Figure 3-8)
3. Remove the Disk Tray cover (Figure 3-9).
4. Unsnap the front panel bezel (Figure 3-1).
5. Remove the retaining screws from the front panel (Figure 3-4). (These screws also
retain the caddies.)
6. Lower the front panel.
7. Remove the disk drive caddies (Figure 3-5).
8. Disconnect all cables (listed below) from the SCSI Distribution board (Figure
3-15).
- Fan power cable from each side
- LED board cable (right side)
- 2 SCSI Bus 1 cables (right side)
- 2 SCSI Bus 2 cables (left side)
- SCSI Distribution board power cable (left side)
9. Remove the two SCSI Distribution board mounting screws on the left side. These
two screws hold the fuse shield in place. (The fuse shield also captures these
screws.)
10.Remove the remaining screws and lift the board up and out of the chassis.
To install the SCSI Distribution board:
1. Align the SCSI Distribution board in the chassis by attaching the screw at the lower
right and the screw at the upper left (Figure 3-15).
Note that the upper and lower left screws are held captive on the fuse shield.)
2. Attach the lower left screw and all other mounting screws previously removed.
3. Connect all previously disconnected cables to the SCSI Distribution board (Figure
3-15).
4. Replace the disk drive caddies (Figure 3-5).
5. Replace the Disk Tray cover (Figure 3-9).
6. Replace the top cover (Figure 3-8)
7. Raise the front panel and secure with the retaining screws previously removed
(Figure 3-4).
8. Position the front panel bezel mounting posts over the holes in the front panel and
press firmly until the bezel snaps back in place (Figure 3-1).
9. Reinstall the PDX208 into the equipment rack.