I/O SNMP Traps
164 IOLAN DS1/TS2 User’s Guide, Version 3.4

Error Codes

I/O SNMP Traps
When you enable SNMP traps for Digital and Analog inputs, a value is returned when an alarm
triggers or clears. This section decodes the SNMP specific trap numbers. The value returned from the
trap will be the I/O channel number that is generating the trap.
Code Name Description
01 Illegal Function The function code received in the query is not an allowable action for
the server (or slave).
02 Illegal Data
Address The data address received in the query is not an allowable address for
the server (or slave).
03 Illegal Data Value A value contained in the query data field is not an allowable value for
server (or slave).
04 Slave Device
Failure An unrecoverable error occurred while the server (or slave) was
attempting to perform the requested action.
Specific
Trap # Alarm Description
0IO_DI_ALARM_SENSOR Trap for the Digital input Trigger.
1IO_DI_ALARM_SERIAL_DSR Trap for the Digital input DSR serial pin Trigger.
2IO_DI_ALARM_SERIAL_DCD Trap for the Digital input DCD serial pin Trigger.
3IO_DI_ALARM_SERIAL_CTS Trap for the Digital input CTS serial pin Trigger.
4IO_AI_ALARM_LEVEL1 Trap for Analog input Alarm Level 1.
5IO_AI_ALARM_LEVEL2 Trap for Analog input Alarm Level 2.
6IO_AI_ALARM_LEVEL3 Trap for Analog input Alarm Level 3.
7IO_AI_ALARM_LEVEL4 Trap for Analog input Alarm Level 4.
8IO_AI_ALARM_LEVEL5 Trap for Analog input Alarm Level 5.
9IO_DI_ALARM_SENSOR_CLEAR Trap for Digital input trigger Clear Mode.
10 IO_DI_ALARM_SERIAL_DSR_CLEAR Trap for Digital input DSR serial pin trigger Clear
Mode.
11 IO_DI_ALARM_SERIAL_DCD_CLEAR Trap for Digital input DCD serial pin trigger Clear
Mode.
12 IO_DI_ALARM_SERIAL_CTS_CLEAR Trap for Digital input CTS serial pin trigger Clear
Mode.
13 IO_AI_ALARM_LEVEL1_CLEAR Trap for the Analog input Alarm Level 1 Clear.
14 IO_AI_ALARM_LEVEL2_CLEAR Trap for the Analog input Alarm Level 2 Clear.
15 IO_AI_ALARM_LEVEL3_CLEAR Trap for the Analog input Alarm Level 3 Clear.
16 IO_AI_ALARM_LEVEL4_CLEAR Trap for the Analog input Alarm Level 4 Clear.
17 IO_AI_ALARM_LEVEL5_CLEAR Trap for the Analog input Alarm Level 5 Clear.