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MULTIPORT SPOOLER VIII (4-, 8-, and 12-Port Models)
Things get even trickier when you cascade Multiport Spooler VIIIs (one
unit sending output to several units, each of which in turn might send output
to several other units, and so on). Perhaps you have two “secondary” units
connected to ports 4 and 8 of your “primary” unit, and you have two “tertiary”
units connected to ports 4 and 8 of each of your secondary units. If the token
is set to 2, one of your tertiary units is probably ready to receive commands
and jobs, but is it the one you need? You’ll have to send test commands or
data to find out, and if you need a different unit, you’ll have to set the token
to 0 and start the “select port, set token” process from the top.
The token can be set to any value from 0 to 9, which theoretically allows
you to build very large setups involving hundreds of Multiport Spooler VIIIs.
Needless to say, however, working with even a few units can be tedious and
confusing; working with more than a few is impractical at best. If you must
expand, we recommend that, where possible, you upgrade to a larger
MPS-VIII (24-port units are available). If this is not possible, we recommend
that you expand by daisychaining rather than cascading units. If you have a
very large number of total stations (users and peripherals), we recommend
that you call Black Box to discuss whether a true network would be more
practical for you.
Содержание PI750A
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