Collision Avoidance - Radyne DMD20 Installation And Operation Manual

User Interfaces
DPARM_AUTOALARM_ERROR
DPARM_BEREXPONENT_ERROR
DPARM_CIRCUITID_ERROR
DPARM_TERRLOOPBACK_ERROR
DPARM_BASELOOPBACK_ERROR
DPARM_IFLOOPBACK_ERROR
DPARM_INTERFACETYPE_ERROR
DPARM_INTERFACENOTPRESENT_ERROR
DPARM_INTERFACECOMMUNICATION_ERROR
DPARM_SYMBOLRATE_ERROR
DPARM_NOTIMPLEMENTED_ERROR
DPARM_DATAINVERT_ERROR
DPARM_SUMMARYFAULT_ERROR
DPARM_EXTERNALEXCSOURCE_ERROR
DPARM_CLEARLATCHEDALARM1_ERROR
DPARM_CLEARLATCHEDALARM2_ERROR
DPARM_CLEARLATCHEDALARM3_ERROR
DPARM_ASYNCMODE_ERROR
DPARM_ASYNCBAUDRATE_ERROR
DPARM_ASYNCTYPE_ERROR
DPARM_ASYNCDATABITS_ERROR
DPARM_TIME_MARK_ERROR
MDPARM_MAPNUMBER_ERROR
MDPARM_TIME_ERROR
MDPARM_DATE_ERROR

4.9.1.5 Collision Avoidance

When properly implemented, the physical and logical devices and ID addressing scheme of the
COMMSPEC normally precludes message packet contention on the control bus. The importance
of designating unique IDs for each device during station configuration cannot be overemphasized.
One pitfall, which is often overlooked, concerns multi-drop override IDs. All too often, multiple
devices of the same type are assigned in a direct-linked ("single-thread") configuration accessible
to the M&C computer directly.
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DMD20 Universal Satellite Modem
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TM103 - Rev. 1.1