Research Concepts RC2500 - Manual (Page 83)

76 RC2500 Antenna Controller Appendix D The RCI RS422 Interface Specification
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• State 5 (Command Execute State) if a Checksum byte is true -received LRC value of
Checksum byte equals the LRC value computed by a slave during message reception.
• State 1 (Slave Idle State) if a Checksum byte is false -- received LRC value of Checksum
byte does not equal the LRC value computed by a slave during message reception.
State 5 (Command Execute State). In State 5, a slave, having completed reception of a message,
executes a function specified by a command byte. A slave will send an appropriate response message to
a master-controller after receiving the last character of the message.
A slave will always exit State 5 and enter Device Idle State, State 1.