2 Setting up a system
MX Modules A04089_07_E00_02 HBM: public 25
NOTE
Different supply voltage sources need to have the same reference potential and
should be in the same voltage range. Voltage drops occur as a result of cable
resistance and internal protective circuits; therefore, a considerably lower supply
voltage is applied to the last module in the chain. Make sure that at least 10 V is
applied to the last module.
NOTE
From source to sink, the modules must always be connected from FireWire port
X102 to X101 on the next module.
To connect up to 24 modules, use a hub. Hubs are devices that connect network
chains together in star configurations. This connection mode is again limited to 14
hops. A hop is the transition from one module to another (this means n-1 hops for n
modules in a chain). Depending on the connection situation, 1 to 2 hops are counted
in one hub. To count the total number of hops, the longest chain to the data sink must
be counted (worst case).
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