SG300 optical monitoring snmp-mib

I was positively surprised to find the optical transmit/receive values using the
show fiber-ports optical-transceiver detailed command on a SG300-10.
Now I'm wondering if there is also a SNMP-MIB to query these values?
I've already tried the CISCO-ENTITY-SENSOR-MIB used by the larger devices running Cisco IOS, but this didn't work.

I've just experienced the same problem, so I went hunting through the MIB for a suitable table and I think I've found it.
What you want to check is CISCOSB-PHY-MIB::rlPhyTestGetTable which is a table of interface tests. It extends the normal SNMP ifTable so the rows are indexed by the ifIndex (57 & 58 for the two combo ports on an SG300-10) and the test type. It appears to contain tests such as the green ethernet tests and the fiber optic tests. This is what I get on one of my SG300-10's:
$ snmptable -v 2c -c rocommunity sg300 rlPhyTestGetTable
SNMP table: CISCOSB-PHY-MIB::rlPhyTestGetTable
                rlPhyTestGetType rlPhyTestGetStatus rlPhyTestGetResult rlPhyTestGetUnits rlPhyTestGetAlarm rlPhyTestGetTimeStamp
---8<---
   rlPhyTestTableTransceiverTemp            success                 47            degree        noAlarmSet 11-Mar-2013 21:55:10
rlPhyTestTableTransceiverSupply            success            3299800         microVolt        noAlarmSet 11-Mar-2013 21:55:10
            rlPhyTestTableTxBias            success              10968        microAmper        noAlarmSet 11-Mar-2013 21:55:10
          rlPhyTestTableTxOutput            success              -6782           milidbm        noAlarmSet 11-Mar-2013 21:55:10
    rlPhyTestTableRxOpticalPower            success              -4935           milidbm        noAlarmSet 11-Mar-2013 21:55:10
         rlPhyTestTableDataReady            success                  0           boolean       notRelevant 11-Mar-2013 21:55:10
               rlPhyTestTableLOS            success                  0           boolean       notRelevant 11-Mar-2013 21:55:10
           rlPhyTestTableTxFault            success                  0           boolean       notRelevant 11-Mar-2013 21:55:10
So for example to get the transceiver temperature for port gi10, it would be at OID .1.3.6.1.4.1.9.6.1.101.90.1.2.1.3.58.5.
Most of the values match up with the output I get from "show fiber-ports optical-transceiver detailed", with a bit of dividing by 1,000's to get into the same range, however I'm at a loss how to convert the milidbm output power reported by SNMP into milliwatts as reported by the CLI. Could someone confirm the maths for that?
Matt

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Hi
Im trying to get some SNMP monitoring running for multiple 1130AG APs. I keep running into walls though. APS are running with the following image : c1130-k9w7-mx.124-25d.JA1.
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iso.3.6.1.3.96.1.1.1.4.0 = Gauge32: 0
iso.3.6.1.3.96.1.1.1.5.0 = Gauge32: 0
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iso.3.6.1.3.96.1.2.1.3.0 = Counter32: 0
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iso.3.6.1.3.118.1.1.4.0 = INTEGER: 2
iso.3.6.1.3.118.1.1.5.0 = Gauge32: 0
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