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Appendix C: Communication Devices
59
short circuit limitation to 150 mA to ground, while TIA/EIA-485
additionally has to limit short circuit currents to 250 mA from the bus
pins to –7 V and 12 V to address malfunctions in combination with
ground shifts.
RS-422 is terminated only at the line-end opposite to the driver
even if there is only one receiver.
Protocol
Not applicable/none specified. The Raptor MicroATX requires
transmitter enabled by the RTS signal.
RS-422 is Differential and may be either Point-to-Point or Multi-
Drop Connected
Differential, Point-to-Point
Differential, Multi-Drop
Содержание Raptor MicroATX
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Страница 25: ...Chapter 1 Pre Configuration 15 J39 DVO Connector J40 LCD Connector Optional J41 Alt Secondary IDE User s Notes ...
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