The managed object is for system maintenance. When the EMS
wants to trigger the system maitenance operation, the EMS
shall send SNMP-SET message to set the corresponding bit value
to be 1. The various bit positions are:
BIT 1: config save
BIT 2: reset
BIT 3: local loopback test
BIT 4: remote loopback test
BIT 5: clear system alarms
BIT 6: F4 loopback test
BIT 7: F5 loopback test
BIT 8: DSL Line Diagnostic