
Installation and Operating Handbook
4.2.1.3
Instruction 22 (Device change request)
Table 4.5: Device change request message format (instruction 22)
Message
byte no.
Set value / example
Length
(bytes)
Description
1
02
1
STX
2
16
1
Number of bytes
3
32
1
Unit address
4
22
1
Instruction number
5
'B'
1
Block up converter
6
'+115 = 11.5dB'
4
Band 1 Attenuation in 0.1dB steps.
Attenuator only capable of 0.5dB steps.
10
'+115 = 11.5dB'
4
Band 2 Attenuation in 0.1dB steps.
Attenuator only capable of 0.5dB steps.
14
'1'
1
The wanted band of the unit:
’1’ Band 1
’2’ Band 2
15
?
1
Checksum
16
03
1
ETX
12
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PBU2000