Thrane&Thrane TT-3020C, Руководство по настройке

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Remote configuration of the transceiver via poll
VMS Configuration
Page 5-2 9-Nov-00
Zero field (1 byte)
Value 00H.
Command array
[Command array] ::= [Packet Descriptor
1
][AckRef
1
][Type dependent fields
1
]
[Checksum
1
]...[Packet Descriptor
27
] [AckRef
27
][Type dependent
fields
27
][Checksum
27
]
Packet Descriptor
The packet descriptor field has the same format as the Inmarsat
packet descriptor , short and medium packet descriptor are sup-
ported.
[Packet Descriptor] ::= [Short Packet Descriptor]
or
[Packet Descriptor] ::= [Medium Packet Descriptor]
Short Packet Descriptor
[Short Packet Descriptor] ::= [Short][Type][Length]
Short ( 1 bit)
Value 0
Type (3 bit)
This field contains the command type that must be executed in the
transceiver. Please refer to 0
Length (4 bit)
Number of bytes from the end of the [Length] field that is a part of
this command.
Medium Packet Descriptor
[Medium Packet Descriptor] ::= [Medium][Type][Length]