Grass Valley VM 3000 System Controllers v.7.4 - Manual (Page 60)

Introduction
1−22 VM 3000 Installation and Operating Manual
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1 Saturn DVE ÁÁÁÁÁÁÁÁÁ
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1 x 8 (FLF) ÁÁÁÁÁÁÁÁ
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8
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1 ESswitch (<1 switch/sec sustained) ÁÁÁÁÁÁÁÁÁ
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1 x 20 (FLF) ÁÁÁÁÁÁÁÁ
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20
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156
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SI2
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8 CP 3800
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8 x 4 (BLF) x 2 (BM)
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64
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1 ESswitch (>1 switch/sec sustained)
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1 x 80 (FLF)
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80
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4 CP 3864
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4 x 2 (BLF) x 2 (BM)
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16
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160
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SI3
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1 ESswitch (<1 switch/sec sustained)
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1 x 20 (FLF)
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20
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20
1 Fixed Loading Factor
2 Base Loading Factor
3 Base Multiplier
In the example above, SI1 and SI2 have been heavily loaded while SI3 is minimally loaded. This was done merely to demon-
strate the maximum loading for a processor. If one were actually configuring this system (since there is no way to accommo-
date all devices on VM1, SI1, and SI2) the loading should be more evenly distributed to include SI3.
Additional MI 3040 Limitations
The maximum quantity of Opto Change messages transmitted to a VM/SI 3000 via MPK from all attached MI 3040 devices
(hardware or emulated) is restricted to no more than eight per second. Exceeding this restriction may result in queue
overflows, loss of data, and incorrect tally indications. This restriction was established following tests utilizing the maximum
number of four MI 3040s on a single, idle VM 3000. Performance will be further degraded by 1) having a larger quantity of
MI 3040s in the system on multiple VM/SI 3000 processors, and 2) increasing the processor load of the VM/SI 3000 through
switching, statusing, and other normal system activity. Performance may also be set dependent.