Specifications

SATEL INTEGRA 128-WRL 15
5.6 Connecting devices to the expander bus
The bus wires must be run in one cable.
The total length of the expander bus may not exceed 1000 m.
The module may be powered directly from the control panel if the distance between
control panel and module does not exceed 300 m. Where the distance is greater,
another source of power must be provided for the module (a power supply unit or an
expander with power supply).
Fig. 6. Connection of modules without power supply.
Fig. 7. Connection of modules with power supply.