10
6 x 4 ELECTRONIC SCSI SWITCH
2. Introduction
2.1 About the SCSI Switch
The 6 x 4 Electronic SCSI Switch is a high-performance electronic crosspoint
switch for use with the SCSI (Small Computer System Interface) bus. It enables
groups of four and six independent SCSI buses to be selected and electrically
connected in any combination via internal electronic switching circuits. The
6 x 4 Electronic SCSI Switch eliminates the need to swap and reconfigure SCSI
cables and bus terminators when alternate system configurations are required.
In conjunction with the 6 x 4 Electronic SCSI Switch’s dual RS-232 serial
interface, a Graphical User Interface (GUI) allows the system administrator to
remotely operate and control SCSI port configuration and termination, report
SCSI-bus activity, gather performance statistics, and set internal temperature points
for alarm notification. Standard DOS or modem software can also be used to
control the switch using simple ASCII control commands.
Up to thirty-two 6 x 4 Electronic SCSI Switches can be connected together and
controlled by one serial port.
2.2 Features
• Ultra2, Ultra, and Fast SCSI compatible. SW487A-R2 is Ultra160 SCSI (a.k.a.
“Ultra3 SCSI”) compatible.
• 80-MBps or (SC487A-R2 only) 160-MBps throughput.
• Easy-to-use LCD panel.
• Daisychain up to 32 switches.
• Share up to 90 SCSI peripherals.
• SW485A supports differential SCSI. SW487A-R2 supports single-ended or LVD
SCSI.
• Transparent electronic switching.
• LAN port for TCP/IP-based network control, RS-232 ports for serial control.
• Does not require SCSI-bus ID.
• User-installable.
