
Specifications
Part No. 057-120 8660 OPERATING MANUAL ISSUE 1 07/05/2010 ADM
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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 120Ω
Recommended cable Belden 9841
Belden 9271
Maximum cable length 1200m (¾ 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 120Ω. 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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