With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
serialMode
serial Mode
1.3.6.1.2.1.16.19.10.1.1
The type of incoming connection to expect on this serial interface.
Back to RMON2-MIB MIB page.
IPHost Network monitor allows you to monitor serialMode on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.
