Installation and Operating Handbook
3.2.4.3
Instruction 6, Sub Instruction ’1’ (Ethernet Change Request)
This message is sent to the unit, when the host computer wishes to change the Ethernet settings of the
TLTR3100 unit. The unit does not need to be in remote mode for this to be achieved.
Table 3.14: Ethernet Change Request message format (instruction 6, sub instruction ’1’)
Message
byte no.
Set value / example
Length
(bytes)
Description
1
02
1
STX
2
74
1
Number of bytes
3
32
1
Unit address
4
6
1
Instruction number
5
'1'
1
Sub instruction
6
'1'
1
DHCP
’0’ = Disabled
’1’ = Enabled
7
'_'
1
Separator character
8
'192.168.000.025'
15
IPv4 address
23
'_'
1
Separator character
24
'255.255.255.000'
15
Subnet mask
39
'_'
1
Separator character
40
'192.168.000.010'
15
Gateway mask
55
'_'
1
Separator character
56
'1'
1
SNMP
’0’ = Disabled
’1’ = Enabled
57
'_'
1
Separator character
58
'192.168.000.032'
15
SNMP trap address
73
?
1
Checksum
74
03
1
ETX
TLTR3100
Peak Communications Ltd.
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