WR-1004MLD Outdoor Optical Node Operation and Maintenance Manual
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7.
Structure Diagram
Upper cover:
1. CMTS return path output
2. Up key
3. Down key
4. Enter key
5. Operating instructions and fiber splice tray 6. Nixie tube display screen
7. Inserter
8. Redundant power output
9. Power module 2 220Vac socket
10. Power module 2 socket
11. Power module 1 220Vac socket
12. Power module 1 socket
13. 220Vac input
14. The RF output test port (-20dB) of forward path
optical receiver modules
15. RF output of forward path optical
receiver modules
16. The RF input interface of return path optical
transmit modules 1
17. The RF input interface of return path
optical transmit modules 2
18. Power 1 fuse
19. Power module 1
20. Power 2 fuse
21. Power module 2
22. Forward path optical receiver modules 1
23. Forward path optical receiver modules 2
24. Return path optical transmit modules 1
25. Return path optical transmit modules 2
26. NMS transponder module
