Generex CS121L User Manual page 135

Then click Next.
On the Configure the trap OIDs to collect page for the Second SNMP TrapProvider,
leave Use discovery community string selected.
Click to place the cursor in the Object Identifier Properties section and type the first
object identifier (OID) that you want to monitor: 1.3.6.1.2.1.33.2.4
(upsTrapAlarmEntryRemoved). Then click Next.
Figure 146: Configure the trap OIDs to collect
On the Build Event Expression page, click to place the cursor in the Parameter
Name section and type the trap parameter variable that you want to use here:
/DataItem/SnmpVarBinds/SnmpVarBind[2]/Value
Why did we use SnmpVarBind[2] in our expression? Because the traps second
contains the OID of the traps UPS alarm (Object upsAlarmDescr of the trap).
Click to place the cursor in the Operator section and select Equals.
Click to place the cursor in the Value section and type the value to match here:
1.3.6.1.2.1.33.1.6.3.2 (The 1.3.6.1.2.1.33.1.6.3.2 is the well known alarm OID for
upsAlarmOnBattery).
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