Polaroid PDC 3000 - Manual (Page 46)

Setting up 46
Follow the steps below if your computer has other external
SCSI devices in addition to the PDC-3000 camera. Because
the PDC-3000 camera is internally terminated, you must
install it as the last device in your SCSI chain as follows:
1 Turn off the computer, all SCSI devices, and the camera.
2 Remove the terminator (a) from the last device in your SCSI
chain.
10D.CDR
Note: Keep the terminator. You will need to reconnect it if
you wish to use the computer while the camera is
disconnected from it.
3 If necessary for your installation, attach the DB25/50 pin
Centronics adapter (b) to the end of the SCSI cable (c).
If your PC has other
SCSI devices