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Modbus Function Code 8, Sub-Function Code 21
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Original instructions
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Modbus Function Code 8, Sub-Function Code 21
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Original instructions
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Field
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Length (bytes)
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Value (hex)
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|---|---|---|
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Function code
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1
|
08
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|
Sub-function code hi
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1
|
00
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Sub-function code low
|
1
|
15
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|
Operation code hi
|
1
|
00
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|
Operation code low
|
1
|
76
|
|
Field
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Length (bytes)
|
Value (hex)
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|---|---|---|
|
Function code
|
1
|
08
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|
Sub-function code hi
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1
|
00
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|
Sub-function code low
|
1
|
15
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Operation code hi
|
1
|
00
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Operation code low
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1
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76
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Byte count
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1
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206
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Number of LEDs
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2
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7
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LED 1 color
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2
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Off (default): byte0=0, byte1=0
On (green): byte0=1, byte1=0
Flashing (green): byte0=1, byte1=1
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LED 1 status
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2
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0
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LED 1 name string
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4
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RUN
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LED 2 color
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2
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Off (default): byte0=0
On (red): byte0=2, byte 1=0
Flashing (red): byte0=2, byte1=1
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LED 2 status
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2
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0
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LED 2 name string
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4
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ERR
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LED 3 color
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2
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Off (default): byte0=0, byte1=0
On (red): byte0=2, byte1=0
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LED 3 status
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2
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0
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LED 3 name string
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3
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DL
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LED 4 color
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2
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Off (default): byte0=0, byte1=0
On (green): byte0=1, byte1=0
Flashing (green): byte0=1, byte1=1
On (red): byte0=2, byte1=0
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LED 4 status
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2
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0
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LED 4 name string
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8
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ETH STS
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LED 5 color
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2
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Off (default): byte0=0, byte1=0
On (red): byte0=2, byte1=0
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LED 5 status
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2
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0
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LED 5 name string
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9
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CARD ERR
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LED 6 color
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2
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Off (default): byte0=0, byte1=0
On (green): byte0=1, byte1=0
On (red): byte0=2, byte1=0
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LED 6 status
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2
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0
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LED 6 name string
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7
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SECURE
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LED 7 color
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2
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Off (default): byte0=0, byte1=0
Flashing (yellow): byte0=3, byte1=1
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LED 7 status
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2
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0
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LED 7 name string
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8
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SER COM
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Number of services
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2
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9
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Service 1 color
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2
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0 = off or n/a
1 = green
2 = red
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Service 1 status
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2
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4 (corresponds to LED color 0) (default)
2 (corresponds to LED color 1)
5 (corresponds to LED color 2)
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Service 1 name string
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12
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DNP3 Client / DNP3 Master
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Service 2 color
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2
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0 = off or n/a
1 = green
2 = red
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Service 2 status
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2
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4 (corresponds to LED color 0) (default)
2 (corresponds to LED color 1)
5 (corresponds to LED color 2)
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Service 2 name string
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11
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IEC Client / IEC Master
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Service 3 color
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2
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0 = off (default)
1 = green
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Service 3 status
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2
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1 (corresponds to LED color 1)
3 (corresponds to LED color 0) (default)
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Service 3 name string
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12
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DNP3 Server /DNP3 Slave
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Service 4 color
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2
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0 = off (default)
1 = green
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Service 4 status
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2
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1 (corresponds to LED color 1)
3 (corresponds to LED color 0) (default)
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Service 4 name string
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11
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IEC Server / IEC Slave
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Service 5 color
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2
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0 = off (default)
1 = green
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Service 5 status
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2
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1 (corresponds to LED color 1)
3 (corresponds to LED color 0) (default)
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Service 5 name string
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15
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Access Control
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Service 6 color
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2
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0 = off (default)
1 = on green
2 = on red
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Service 6 status
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2
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4 (corresponds to LED color 0) (default)
2 (corresponds to LED color 1)
5 (corresponds to LED color 2 - link to server is down))
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Service 6 name string
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12
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SNTP Status
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Service 7 color
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2
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0 = off (default)
1 = on green
2 = on red
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Service 7 status
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2
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4 (corresponds to LED color 0) (default)
2 (corresponds to LED color 1)
5 (corresponds to LED color 2 - link to server is down))
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Service 7 name string
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14
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E-mail Status
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Service 8 color
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2
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0 = off (default)
1 = green
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Service 8 status
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2
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1 (corresponds to LED color 1)
3 (corresponds to LED color 0) (default)
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Service 8 name string
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14
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Modbus Server
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Service 9 color
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2
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0 = off (default)
1 = green
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Service 9 status
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2
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1 (corresponds to LED color 1)
3 (corresponds to LED color 0) (default)
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Service 9 name string
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12
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FTP Server
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LED Status Number (hex)
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Description
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|---|---|
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1
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Ready for operation.
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2
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Not ready for operation.
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3
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Fault detected.
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4
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No fault detected.
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5
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In operation.
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6
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Duplicate IP address.
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7
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Waiting for address server response.
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8
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Default IP address in use.
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9
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IP address configuration conflict detected.
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A
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Not configured.
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B
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Recoverable fault detected.
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C
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Connectors established.
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D
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No EtherNet/IP or RTU connections.
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E
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Connections error.
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F
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Running.
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10
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Error present.
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11
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Ethernet link established.
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12
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No Ethernet link established.
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13
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Connected to 100 Mbps link.
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14
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Not connected to 100 Mbps link.
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15
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Connected to full duplex link.
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16
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Not connected to full duplex line.
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17
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Configuration error.
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18
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Memory card is missing.
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19
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Memory card is not usable (bad format, unrecognized type).
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20
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Data exchange (send/receive) on the serial connection is in progress.
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21
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No data exchange on the serial connection.
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22
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Firmware download in progress.
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23
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Firmware download not in progress.
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24
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Module and communication are secure.
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25
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Module is secure, and communication is not secure.
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26
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Module is not secure.
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Service Status Number
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Description
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|---|---|
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1
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Enabled.
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2
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Working properly.
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3
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Disabled.
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4
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Not configured.
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5
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One connection or more are bad.
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6
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Enabled on.
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7
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Enabled off.
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Field
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Length (bytes)
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Value (hex)
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|---|---|---|
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Function code
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1
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08
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Sub-function code hi
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1
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00
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Sub-function code low
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1
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15
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Operation code hi
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1
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00
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Operation code low
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1
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70
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Field
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Length (bytes)
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Value (hex)
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|---|---|---|
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Function code
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1
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08
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Sub-function code hi
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1
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00
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Sub-function code low
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1
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15
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Operation code hi
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1
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00
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Operation code low
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1
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70
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Byte count
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1
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PV version
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1
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xx
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RL version
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1
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xx
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SV major version
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1
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xx
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SV minor version
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1
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xx
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Web server version
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1
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xx
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Rack
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1
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xx
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Slot
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1
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xx
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MAC
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6
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xx.xx.xx.xx.xx.xx
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SN
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n
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xxxxxxxxxxx
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