Talk:ARINC 429

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[edit] Bus vs. protocol

There's some confusion between the two here. Talking about twisted-pair wires and Tx and Rx channels implies a bus. Talking about the meaning of bits in a word implies a protocol. If ARINC 429 specifies both (like, say RS232) this might warrant a mention. A bus spec would require at least a statement about voltages and such. A protocol might benefit from a statement how timing is enforced (on a bus that supports two different bit-rates and remains in a constant NULL state between words? Or is "NULL" a particular data word that can be synchronized against?) —Preceding unsigned comment added by 137.78.180.229 (talk) 22:38, 22 April 2008 (UTC)