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RS423
3-10
9710 System Assurance Guide
MR0012J
more than three FIPS drives can exist in the 9710. The remaining available drive
slots can be used by SCSI drives.
Twenty SCSI data buses can exist on the I/O tower: 10 in and 10 out.
Twenty Fibre Channel data buses can exist on the I/O tower (with 9840 drives
only): 10 in and 10 out.
The 3270 ports on the I/O tower currently are not used.
■
RS423
The 9710 uses RS423 electronics in its control interface, rather than RS232. The
RS423 and RS232 protocols are the same, but the RS423 electronics can drive a
signal to greater distances.
The maximum RS423 cable length is 60 m (200 ft).
■
SCSI Library Robotic Interface
The fast/narrow interface is single-ended or differential, and supports up to
eight devices including the host.
The fast/wide interface is differential only, and supports up to 16 devices
including the host.
Both interfaces are provided with the fast/wide 68-pin connector.
Содержание 9710
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Страница 32: ...Host Interfaces 3 4 9710 System Assurance Guide MR0012J Figure 3 2 Direct Connection for AS 400 Control ...
Страница 35: ...MR0012J 9710 System Assurance Guide 3 7 Host Interfaces Figure 3 5 Host Indirect Connection ...
Страница 36: ...Host Interfaces 3 8 9710 System Assurance Guide MR0012J Figure 3 6 Subsystem Generic Software Types ...
Страница 46: ...Hardware Order Worksheets 4 6 9710 System Assurance Guide MR0012J Figure 4 3 DLT7000 Feature Selections ...
Страница 47: ...MR0012J 9710 System Assurance Guide 4 7 Hardware Order Worksheets Figure 4 4 DLT4000 Feature Selections ...
Страница 52: ...SCSI Cabling 4 12 9710 System Assurance Guide MR0012J Figure 4 6 SCSI Connector Types ...
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