14
Osprey-300 User’s Guide
G
UIDELINES
FOR
C
ONNECTING
F
IRE
W
IRE
D
EVICES
FireWire devices can be connected in any
combination of branching and chaining. There
are no SCSI-style ID numbers to set and no
termination requirements. The Osprey 300’s
6-pin FireWire port can support up to 16
consecutive cable hops of 4.5 meters (14.76 feet)
each.
The Osprey 300’s nine-pin FireWire 800 port
allows the use of various types of cabling
designed for 1394b operation of speeds up to
800 megabits per second. Selection of the proper
interconnect cables allows hop lengths of up to
100 meters.
FireWire 800 / 1394b devices connected to the
Osprey 300 9-pin port communicate over long
connections directly; no hub is required to gain
this added distance benefit in a pure FireWire
800 /1394b connection.
If you need to connect older FireWire devices at
a greater distance than the devices can support
directly, use a FireWire800 hub device connected
to the Osprey 300’s 9-pin port. FireWire 800
/1394b hubs make it possible to connect older
FireWire 400 / 1394a devices up to 100 meters
apart. Neither the computer nor the remote
devices need to support FireWire 800 / 1394b
since the selected FireWire 800 /1394b hub and
its associated cables work with FireWire 400 /
1394a devices.
The Osprey 300 is designed to allow the
FireWire network to continue operating even if
the computer is shut down. Loss of power to the
computer will not affect the interoperation of
other devices on the same FireWire bus as long
as they are self-powered (i.e., do not require
power from the host PC).
Powerering FireWire devices via the Osprey
300’s FireWire ports
The Osprey 300’s two FireWire (1394) ports are
capable of supplying power to certain FireWire
devices designed to receive DC power from the
host PC. There are two options available:
Summary of Contents for Osprey-300
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