https://www.cisco.com/c/en/us/support/docs/csa/cisco-sa-20050713-ons.html
Cisco ONS 15216 OADM Telnet Denial-of-Service Vulnerability - Cisco
The Cisco ONS 15216 OADM (Optical Add/Drop Multiplexer) contains a vulnerability in the handling of telnet sessions that can cause a denial-of-service...
denial of servicecisco ons15216oadmtelnet
https://www.synopsys.com/photonic-solutions/product-applications/optical-networks/optsim-dwdm-ring.html
DWDM Ring with OADM (Optical Add-Drop Multiplexer) Nodes | Synopsys
This example demonstrates an OptSim design for DWDM ring with Optical Add-Drop Multiplexers (OADM).
optical add drop multiplexerdwdmringoadmnodes