Comtech EF Data CRS-500, Инструкция по установке и эксплуатации

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CRS-500 1:N Redundancy System
Revision 4
Serial Interface Operation 10–4 MN-CRS-500
10.2.5 Packet Structure
Table 10-1. Controller-to-Target Packet Structure
Start of Packet Target Address Address Delimiter Instruction Code Code Qualifier Optional Arguments End of Packet
Character < / = or ? Carriage Return {CR}
ASCII Code 60 47 61 or 63 13
# Characters 1 4 1 3 1 n 1
Controller-to-Target Examples: (COMMAND) <0000/RSH=30{CR}
(QUERY) <0000/RSH?{CR}
Table 10-2. Target-to-Controller Packet Structure
Start of Packet Target Address Address Delimiter Instruction Code Code Qualifier Optional Arguments End of Packet
Character > / =, ?, !, or *
Carriage Return {CR},
Line Feed {LF}
ASCII Code 62 47 61, 63, 33 or 42 13, 10
# Characters 1 4 1 3 1 From 0 to n 2
Target-to-Controller EXAMPLE: (QUERY RESPONSE) >0135/RSH=30{CR}{LF}
10.2.5.1 Start of Packet
These characters are used to provide a reliable indication of the start of packet. They must not appear anywhere else in the body of the
message:
•
Controller-to-Target: This is the “<” character (ASCII code 60). It is also known as the “less than” character.
•
Target-to-Controller: This is the “>” character (ASCII code 62). It is also known as the “greater than” character.