Brainboxes PX-246 Dokumentacja Strona 19

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Specifications
Part No. 057-120 8660 OPERATING MANUAL ISSUE 1 07/05/2010 ADM
19
3.9 DSENET® FOR EXPANSION MODULES
DSENet® is the interconnection cable between the host controller and the expansion module(s) and must not be
connect to any device other than DSE equipment designed for connection to the DSENet®
Cable type Two core screened twisted pair
Cable characteristic impedance 120
Recommended cable Belden 9841
Belden 9271
Maximum cable length 1200m mile) when using Belden 9841 or direct equivalent.
600m (666 yds) when using Belden 9271 or direct equivalent.
DSENet® topology “Daisy Chain Bus with no stubs (spurs)
DSENet® termination 120. Fitted internally to host controller. Must be fitted externally to the ‘last’
expansion module by the customer.
NOTE: As a termination resistor is internally fitted to the host controller, the host controller must be
the first’ unit on the DSENet®. A termination resistor MUST be fitted to the ‘last’ unit on the DSENet®. For
connection details, you are referred to the section entitled ‘typical wiring diagram’ elsewhere in this
document.
NOTE: DSE8600 series do not support the 2510/2520 display modules.
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