The pc's external scsi connector, The pc’s external scsi connector – Nikon LS-10 Installation Guide for Windows User Manual
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The SCSI Interface
Chapter 3
(b) Non-chainable SCSI
Flat Cable (not provided)
SCSI 50-Pin Connectors
Connector Protection
Key-------------------
Figure 3<6 SCSI
flat cables, (a) Chainable SCSI flat cable provided with Coolscan.
(b) Non-chainable SCSI flat cable.
The cable seen in Figure 3.6b is a non-chainable SCSIflat cable. If you already
have one of these, it can be used instead of the supplied cable when you are installing
Coolscan as the last device in the SCSI chain.
SCSI cables should never be connected or disconnected while the SCSI device or
the computer is powered on. Such action can dam^e the SCSI controller card.
Please proceed to the section “The PC’s Internal SCSI Connector.”
The PC's External SCSI Connector
There are two typical SCSI connectors found on PC computers. The first is the
25-pin DB25 connector, shown in Figure 3.7a. It is a female connector and is similar to
the printer port connector. This is the connector provided on the included SCSI con
troller card. This is why a 25-pin DB25 to 50-pin Centronics cable has been provided
with your Coolscan. The 25-pin end of the cable is connected to the SCSI controller
card’s connector on the PC, and the 50-pin end to Coolscan.
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Coolscan Installation Guide for Windows