Black Box SC120A-R2 User Manual download pdf (Page 35)

2 X 2 SCSI MATRIX SWITCH

5.9 Connecting Multiple SCSI Switches

Up to 32 SCSI Switches can be controlled by a single RS-232 serial interface. To

operate in this configuration, set the serial ports to operate in daisychained mode.

In Figure 5-7, “1” is RS-232 port 1 on each switch and “2” is RS-232 port 2.

Figure 5-7. Multiple SCSI Switch configuration.

5.10 Typical Application

Figure 5-8 shows a sample application for the SCSI Switch. Many other

configurations are possible.

Figure 5-8. Sample application.

Server

Ethernet

LAN

Tape Drive

RAID

Server

SCSI

Switch

10BASE-T

connection

for LAN-

based

switch

control

Computer

SCSI Switch

Box 1

SCSI Switch

Box 2

SCSI Switch

Box 3

SCSI Switch

Box 4

RS-232

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Black Box SC120A-R2 User Manual Page 35