garbled characters are displayed when recieving SNMP-Trap from AS400

garbled characters are displayed when recieving SNMP-Trap from AS400

I added AS400 servers on OpManager 11.6 and set up SNMP-Agent on AS400 to receive trap messages from AS400, but when I get SNMP-Trap messages, garbled characters are displayed .

AS400 is using EBCDIC character code in trap message, so I guess this caused the garbled characters.
Do you know how to resolve this problem?
                New to ADManager Plus?

                  New to ADSelfService Plus?