3.Installation

3.1.3.Parity Disable Jumper

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

Setting

Disable

Enable

:

: = OPEN

Jumper not installed

= CLOSED

Jumper installed

3.1.4.Data Compression ON Switch

Data compression can be selected by DIP switch.

Table 3-3: Data Compression Switches

DC Control-1

DC Control-2

Definition

OFF

OFF

Compression disabled at power-on. The host is allowed to control

 

 

compression.

OFF

ON

Compression disabled at power-on. The host is not allowed to control

 

 

compression.

ON

OFF

Compression enabled at power-on. The host is allowed to control

 

 

compression.

ON

ON

Compression enabled at power-on. The host is not allowed to control

 

 

compression.

3.1.5.Power Connector

The power connector is illustrated as Figure 3-4.

4 3 2 1

5V GND GND 12V

Figure 3-4: Power Connector

3.1.6.SCSI 68 pin Connector

Figure 3-5 illustrates SCSI 68 pin connector, and table 3-4 shows the assignments for the pins of the connector.

Pin

34

1

Pin

68

35

Figure 3-5: Non-shielded SCSI Device Connector

SDX-800V supports both Low-Voltage-Differential SCSI configuration as shown table 3-4 and Single-Ended SCSI configuration as shown table 3-5. SDX-800V detects and switches SCSI configuration between Low-Voltage-Differential and single-ended modes by monitoring DIFFSENS signal assigned pin 16 in SCSI bus. (Refer to table 3-4)

SONY AIT-3Ex drive SDX-800V series Ver.1.1

3-3

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Sony SDX-800V/R manual Parity Disable Jumper, Data Compression on Switch, Power Connector, Scsi 68 pin Connector