Field Notice: FN - 72147 - Certain Fields in the Cisco OSC SFP ONS-SE-155-1510 Are Not Displayed Properly When Used With Transport Node Controllers TNCS/TNC/TNCE/TSC - Workaround Provided - Cisco
The New Cisco ASR 1001-X Router – Router Switch Blog
Router, Cisco 2600 Series ( PID VID CISCO2621), Power Unit On, Not Tested [93158+68]
Ken Felix Security Blog: Unsupported transceivers ( cisco ASR routers )