NEC N8551-28F Instruction Manual page 28

Built-in ait
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5
When the SCSI bus can be set on the side of the basic processing unit, set the following on the
Built-In AIT.
• Transfer rate
• Data bus width
• DISCONNECT/RECONNECT function
For details, see the instruction manual provided with the basic processing unit.
Important
Set the maximum transfer rates as follows according to the number of devices connected to the
bus and the SCSI cable length.
SCSI ID
Ultra Wide SCSI
Ultra Wide SCSI
Ultra Wide SCSI
Fast Wide SCSI
Wide SCSI
* When the SCSI host and all devices connected to the same bus are LVD-compatible.
10 Built-in AIT
Maximum transfer
rate (Mbyte/s)
40
40
40
20
10
: 40 MByte/second (max., synchronous)
: 16 bits (Ultra Wide SCSI, LVD/SE)
: Enable
Data bus
Maximum cable Maximum number
width (bit)
length (m)
Single-ended
(LVD*)
16
3 (-)
16
1.5 (-)
16
- (3)
16
3 (3)
16
6 (3)
of devices
(SCSI host +
number of
devices)
4
8
16
16
8

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