Appendix B - Network Terminal RS-232 Interface Protocol Format
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Table B-2: Network Terminal RS-232 Commands
Command Parameter Description
? None Acknowledges that host computer is aware of a power reset
state at the multiplexor, resetting the internal state which
causes the ’A’ reply to be returned as a ’B’. This is sent as an
initializes the host to be in sync with the Network controller,
so that subsequent resets are then detectable when the con-
troller returns ’B’ for the normal ’A’ status reply.
@ None Returns an identifier string indicating module type and soft-
ware revision level. Format is :"M AN.M" where the M indi-
cates a multiplexor type module, and the A letter reflects the
option compliance type N.M is a decimal radix version num-
ber (2.0, 2.1, - 9.9 etc.). Major revisions may increment N to
the next ASCII number value. Any change will increase the
M minor number to the next level.
A ? If ? as argument then returns the eleven character serial num-
ber for the multiplexor unit.
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