With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ctpHDMIPeripheralCableStatus
ctp HDMI Peripheral Cable Status
1.3.6.1.4.1.9.9.643.1.2.3.1.2
This object specifies cable status of an attached peripheral. This object is set to 'loose' if system detects cable is 'unplugged' but power is 'on'.
Back to CISCO-TELEPRESENCE-MIB MIB page.
IPHost Network monitor allows you to monitor ctpHDMIPeripheralCableStatus 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.