Toshiba Magnia 560S - Manual (Page 22)

Overview 4
Overview
SCSI Connectors
RAID Controller Kit-G has one very high-density 68-pin external connector for
external storage subsystem, and one high-density 68-pin internal connector.
Single Ended and Differential SCSI Buses
The SCSI standard defines two electrical buses:
•
A single-ended bus
•
Low-voltage differential bus
Maximum Cable Length for SCSI Standards
Table 1.1 contains the maximum cable length that you can use depending on the SCSI
speeds, and type of device.
Table 1.1 Maximum Cable Length for SCSI Standards
Standard Single ended Low-voltage
Differential Maximum Number of
Drives
Ultra SCSI 1.5 m 12 m 7
Ultra SCSI 3 m 12 m 3
Wide Ultra SCSI 12 m 15
Wide Ultra SCSI 1.5 m 12 m 7
Wide Ultra SCSI 3 m 12 m 3
Ultra 2 SCSI 25 m 1
Ultra 2 SCSI 12 m 7
Wide Ultra 2 SCSI 25 m 1
Wide Ultra 2 SCSI 12 m 15
Ultra160 SCSI 25m 1
Ultra160 SCSI 12m 7
Wide Ultra160
SCSI 25m 1
Wide Ultra160
SCSI 12m 15
Ultra320 12m 15
Ultra320 20m 1