Tait T2000-A76 Operation Manual - page 19
March 2003
M2303-00-P00-805
19
Command Type
Bits 4,5 and 6
C Parameters
Bits 0,1 and 2
A76 Action / Response
Poll
000
000 : poll the AVL report. Always set to 000.
001 - 111 : the command will be ignored
If a return address is sent, it is sent in the [DATA]
bytes.
AVL report is sent
Examples:
[COMMAND] = 00h = 0000 0000
Send AVL report to the
default despatcher address
[COMMAND] = 08,30,30,30,30,30,38,30,30h
08h = 0000 1000 followed by the address where
30h is ASCII for 0 and 38h is ASCII for 8
Send AVL report to the
return address 00000800
Read Database
001
000 : read the software version
001 : read the Group Delay Time
010 - 111 : the command will be ignored
If a return address is sent, it is sent in the [DATA]
bytes.
A ‘Read Database ACK’ is
sent back followed by the
value of the database item
Examples:
[COMMAND] = 10h = 0001 0000
Read the software version
and send ACK (90h) plus
the result to the default
despatcher address
[COMMAND] = 19,30,30,30,30,30,38,30,30h
19h = 0001 1001 followed by the address
where 30h is ASCII for 0 and 38h is ASCII for 8
Read the Group Delay Time
and send ACK (91h) plus
the result to the return
address 00000800
Program Database
010
001 : program the Group Delay Time
010 - 111 : the command will be ignored
If a return address is sent, it is sent in the [DATA]
bytes as is the Group Delay Time data. The address
precedes the Group Delay Time.
The Group Delay Time is
programmed into the data-
base and a ‘Program Data-
base with Group Delay
Time ACK’ (A1) is sent back
Examples:
[COMMAND] = 21,00,00h
21h = 0010 0001 followed by two bytes of Group
Delay Time in ms, where 00 00h = 0ms.
Program the Group Delay
Time with the value 0ms
and send back a ‘Program
Database with Group Delay
Time ACK’ (A1) to the
default despatcher address
.
[COMMAND] = 29,30,30,30,30,30,38,30,30,FF,00h
29 = 0010 1001 followed by the address
where 30h is ASCII for 0 and 38h is ASCII for 8 and
then two bytes of Group Delay Time in ms, where
FF 00h = 65,280ms (65.28 seconds).
Program the Group Delay
Time with the value
65,280ms and send a ‘Pro-
gram Database Group
Delay Time ACK’ (A1h) to
the return address
00000800