CCNA 24_Tellabs MLLN Leased Line Modem Troubleshooting & Cisco Router Serial Interface Troubleshoot
CCNA Networking Tutorials-
http://goo.gl/VNzY4E
I'm Sujoy and today I'll show you how to troubleshoot leased-line modem and serial interfaces on Cisco router.
Topics Explained-
1. Introduction to seial interface on Cisco routers
2. WIC (wan interface card) and HWIC (high-speed wan interface card)
3. Difference between WIC and HWIC serial cards on Cisco router
4. HSSI (high-speed serial interface) or smart serial v.35 35pin interface Cisco router
5. CONN LED on serial card Cisco
6. Identifying Tellabs 8110 Network Terminating Unit (NTU) modem LED status
7. PMA and DMA LEDs on Tellabs 8110 Network Terminating Unit (NTU) modem
8. PMA LED indicates Prompt Maintenace Alarm. DMA LED indicates Deffered Maintenace Alarm
9. Physical overview Tellabs 8110 Network Terminating Unit (NTU) modem
10. show ip interface brief command
11. How to contact ISP and get modem and line checked
12. Interface up, line protocol down on serial interface Cisco
That's it for now! How is the video? Let me know.
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