Comtech-ef-data PCB-4000 Uživatelský manuál stáhnout pdf (Strana 54)

PCB-4000 1+1 Phase Combiner Revision 2

Serial Remote Control MN/PCB4000.IOM

5–6

Symbol Definition

(ASCII code 33)

The ! code is only used as follows:

If the Controller sends an instruction code that the Target does not recognize, the Target will acknowledge the message by echoing

the invalid instruction, followed by the ! character; for example, XYZ!

(ASCII code 42)

The * code is only used as follows:

If the Controller sends an instruction to set a parameter to a particular value, but then the value sent in the argument is valid but the

target is in the wrong mode (e.g., Standby mode in Redundancy configuration), such that it will not permit that particular parameter to

be changed at that time, the Target will acknowledge the message by replying (for example) with MUT* (with no message arguments).

ASCI code 35)

The # code is only used as follows:

If the controller sends an instruction code that the target cannot currently perform because of hardware resource issues, then the

target will acknowledge the message by echoing the invalid instruction, followed by the # character; for example, MUT# (with no

message arguments).

5.2.2.7 Optional Message Arguments

Argumentsarenotrequiredforallmessages.ArgumentsareASCIIcodesforthecharacters0to9(ASCIIcodes48to57),period(ASCII

code46)andcomma(ASCIIcode44).

5.2.2.8 End Of Packet

• Controller‐to‐Target–Thisisthe‘CarriageReturn’character(ASCIIcode13).



• Target‐to‐Controller–Thisisthetwo‐charactersequence‘CarriageReturn’,‘LineFeed’(ASCIIcodes13 and10).



Bothindicatethevalidterminationofapacket.



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Comtech-ef-data PCB-4000 Uživatelský manuál Strana 54