With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
pxmExtClkConnectorType
pxm Ext Clk Connector Type
1.3.6.1.4.1.351.110.3.16.11
This object describes the type of connector available for connecting the external clock source to the PXM.
Back to CISCO-MGX82XX-PXM-CLOCK-MIB MIB page.
IPHost Network monitor allows you to monitor pxmExtClkConnectorType on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.