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PRIMERGY TX200 S2 User’s Guide
Installing hardware options
7
7.9 Connecting External SCSI Devices

This section explains connection of external SCSI devices.

7.9.1 Connecting a Hard Disk Cabinet

When a RAID Ctrl 2-Channel 128MB w/ BBU (PG-142E3) is used, a hard disk cabinet (PRIMERGY
SX30) can be connected to configure a large-capacity array system.
The following shows an example of system configuration and connection.

7.9.2 Connecting External SCSI Devices

External SCSI devices with different SCSI IDs are connected in a daisy chain as shown in the following
figure.
Up to two external SCSI devices can be connected.
Server
Hard disk cabinet
(PRIMERGY SX30)
Example of system configuration connected to hard disk cabinet(PRIMERGY SX30)
SCSI cable
(Standard)
SCSI cable
(PG-CBLS004 / PG-CBLS005: Option)
RAID Ctrl 2-Channel 128MB
w/ BBU (PG-142E3)
ch0
ch0ch1 ch1
chB chA
SCSI cable
(PG-CBLS023: Option)
SCSI cable
< External SCSI option>
<Server>
SCSI cable
Terminal resistor
SCSI Ctrl U160 (PG-128)