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Parity Disable Jumper
3.1.3.
Parity check function can be disabled by Jumper. Parity check is disabled while left end jumper is installed. Parity
generate function is always enabled.
Parity
Disable
Enable
: = OPEN
| = CLOSED
Data Compression ON Switch
3.1.4.
Data compression can be selected by DIP switch.
DC Control-1
DC Control-2
OFF
OFF
ON
ON
Power Connector
3.1.5.
The power connector is illustrated as Figure 3-5.
SCSI 68 pin Connector
3.1.6.
Figure 3-6 illustrates SCSI 68 pin connector, and table 3-4 shows the assignments for the pins of the connector.
SDX-550V supports both Low-Voltage-Differential SCSI configuration as shown table 3-4 and Single-Ended SCSI
configuration as shown table 3-5. SDX-550V detects and switches SCSI configuration between
Low-Voltage-Differential and single-ended modes by monitoring DIFSENS signal assigned pin 16 in SCSI bus. (refer
to table 3-4)
SONY AIT-2 Turbo drive SDX-550V series Ver.1.0
Setting
|
:
Jumper not installed
Jumper installed
Table 3-3: Data Compression Switches
OFF
Compression disabled at power-on. The host is allowed to control
compression.
ON
Compression disabled at power-on. The host is not allowed to control
compression.
OFF
Compression enabled at power-on. The host is allowed to control
compression.
ON
Compression enabled at power-on. The host is not allowed to control
compression.
4
3
5V
GND
Figure 3-5: Power Connector
Pin 34
Pin 68
Figure 3-6: Non-shielded SCSI Device Connector
Definition
2
1
GND
12V
1
35
3.Installation
3-3
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