Setting the SCSI ID number and termination
You may not need this step. You can skip this topic if
mthe scanner is the only external SCSI device to be connected to your Macintosh
or
myou’re setting the scanner up as the last device in a SCSI chain
If you need to change the SCSI ID number or termination setting, do so after you review this topic and before you connect any cables.
About the SCSI ID number
A SCSI ID selector on the back of the scanner identifies the Macintosh port through which scanner information travels. The SCSI ID number is preset to
2.This factory setting is valid if you have no other SCSI device occupying SCSI ID number 2.
To choose a SCSI ID with termination on, use the “I” side of the dial. To choose a SCSI ID with termination off, use the “O” side. The ID numbers are the same on
both sides.
6 | 7 | 0 | 1 |
|
| 2 | |
5 |
|
| 2 |
|
|
| 3 |
4 |
|
| 4 |
3 |
|
| |
|
| 5 | |
|
|
| |
2 |
| 6 | |
| 1 |
| |
| 0 | 7 | |
|
|
SCSI ID selector switch set to 2 “on” (default setting)
1
2
12
You can change the SCSI ID number if your configuration requires a different number.
Numbers to avoid: Don’t assign numbers 0, 3, or 7 to the scanner. The default setting for the Macintosh computer is 7. The default setting for an internal
12Chapter 2