Scsi Cables - Siemens SIMATIC RI 45 PIII Series Manual

7.4.4

SCSI Cables

You should only use the integrated cable for internal extensions. Another two
16-bit SCSI devices may be connected up to this cable. The cable is
terminated on the drive-side.
You should only use top quality 68-pin external SCSI cables for external
extensions. The total external cable length may not exceed 2 meters.
7.4.5 Connecting External SCSI Devices
If you are connecting external SCSI devices to your host adapter, you must
obtain an external SCSI cable for each external device you install.
1. Prepare each SCSI device for installation; configure the SCSI ID and
2. Plug the connector at one end of the external SCSI cable into the host
3. Plug the connector at the other end of the cable to either one of the SCSI
4. To connect other external SCSI devices, daisy-chain each device to the
Figure 7-4
RI 45 PIII, Manual
C79000-G7076-C817-01
attach a terminating plug into the last external device. For instructions,
see the device's documentation.
adapter 's external SCSI connector.
connectors on the external SCSI device.
previous device until all external SCSI devices have been connected (see
Figure 7-4).
Terminating Plug
External Termination
SCSI Option
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