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HPOD C-, X-, Ku-Band High-Power Outdoor Amplifier MN/HPOD.IOM

Serial-Based Remote Product Management Revision 8

5–5

All bytes within a packet are printable ASCII characters, less than ASCII code 127. In this context, the Carriage Return and Line Feed

characters are considered printable.

All messages from Controller-to-Target require a response, with one exception: This will be either to return data that has been

requested by the Controller, or to acknowledge reception of an instruction to change the configuration of the Target. The exception to

this is when the Controller broadcasts a message (such as Set Time/Date) using Address 0, when the Target is set to EIA-485 mode.

5.3.4 Packet Structure

Controller-to-Target (Issued Command or Query)

Start of Packet Target Address Address Delimiter Instruction Code Code Qualifier Optional Arguments End of Packet

ASCII code 60

(1 character)

0000 (default)

(4 characters)

ASCII code 47

(1 character)

(3 characters)

= or ?

ASCII codes 61 or 63

(1 character)

(n characters)

Carriage Return

ASCII code 13

(1 character)

Packet Example: <0412/MUT=1[cr]

Target-to-Controller (Response to Command or Query)

Start of Packet Target Address Address Delimiter Instruction Code Code Qualifier Optional Arguments End of Packet

ASCII code 62

(1 character)

(4 characters)

ASCII code 47

(1 character)

(3 characters)

=, ?, !, or*

ASCII codes

61, 63, 33, or 42

(1 character)

(0 to n characters)

Carriage Return

ASCII code 13 or 10

(2 characters)

Packet Example: >0412/MUT=1[cr][lf]

Detailed description of the packet components follow.

1 2 ... 70 71 72 73 74 75 76 77 78 79 80 ... 149 150

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