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PLASMON LASER MAGNETIC STORAGE - LF 6600 User Manual
Page 48
SCSI BUS CONSIDERATIONS
The length of the SCSI interface cables used to interconnect the LF 6600 with other SCSI devices is
dictated by the type of SCSI controller installed in each LF 6600. A maximum of seven LF 6600's can be
connected to a host computer in a daisy chained configuration using the appropriate SCSI controller and
cable options.
When the single-ended interface controller is used on all SCSI devices, the total length of the SCSI
interface cable cannot exceed 6 m (19.5 ft). (Plasmon LMS does not recommend single-ended fast
synchronous.) When a differential interface controller is used on all SCSI devices, the total SCSI interface
cable length cannot exceed 25 m (82 ft).
NOTE
The internal SCSI cable for each LF 6600 is approximately 120 mm
(4.8 in.). This distance must be considered as part of the total SCSI
cable length.
No stub connections are permitted.
The SCSI interface cabling used to interconnect an LF 6600 to a host can be daisy chained between SCSI
devices as illustrated below. One interface cable is required to interface each pair of SCSI devices.
EP004236
Host-to-LF 6600 Daisy Chain Cable Connections
A terminator must be installed on the vacant connector of the last SCSI device in the SCSI bus chain. The
SCSI bus must be terminated externally on the LF 6600 rear panel when an LF 6600 is the last SCSI
device on the bus.
= TERMINATOR
(1)
The SCSI bus must also
be terminated at the host
adapter end. Normally, the
termination function is built into
the host adapter.