You can use the following OID to change the diplexer setting SnmpMibObject iso.3.6.1.4.1.4526.30.1.3.4.0 Integer 0 ; // Set to 5 – 42Mhz SnmpMibObject iso.3.6.1.4.1.4526.30.1.3.4.0 Integer 1 ; // Set to 5 – 85Mhz Name cmDiplexerSettings SYNTAX Integer32 (0..1) MAX-ACCESS read-write DESCRIPTION SWITCHABLE diplexer settings 0: US:(5 MHz..42 MHz) DS:(108 MHz..1002 MHz) 1: US:(5 MHz..85 MHz) DS:(108 MHz..1002 MHz) OID 1.3.6.1.4.1.4526.30.1.3.4 Utilization in CM config file SnmpMibObject 1.3.6.1.4.1.4526.30.1.3.4.0 Integer 1 ;