Installation and Operating Handbook
3.2.1.2
Instruction 21 (Attenuator status response)
Table 3.4: Attenuator status response message format (instruction 21)
Message
byte no.
Set value / example
Length
(bytes)
Description
1
02
1
STX
2
13
1
Number of bytes
3
32
1
Unit address
4
21
1
Instruction number
5
'L'
1
Test loop translator
6
'+11500 =
11.500dB'
6
Attenuation in 0.001dB steps
Attenuator only capable of 0.125dB steps
12
?
1
Checksum
13
03
1
ETX
TLTR3100
Peak Communications Ltd.
9
