With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ons15501OutRemotePortName
ons15501 Out Remote Port Name
1.3.6.1.4.1.1869.11.11.1.22
Manager initialized string value to identify the the port (on remote chassis) associated with remote connection for optical output. ons15501OutRemotePortName would be a ZERO length string if the output link is disabled. To disable the output link details set ons15501OutRemoteChassisName to ZERO length string and ons15501OutRemoteAgentIpAddr to 0.0.0.0.
Back to ONS15501-MIB MIB page.
IPHost Network monitor allows you to monitor ons15501OutRemotePortName on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.
