Contents
4
LBO software settings ............................................................................................................................... 4-4
Clearing alarms ......................................................................................................................................... 4-7
DS1 protection switching ........................................................................................................................ 4-14
DS1 cleanup procedures .......................................................................................................................... 4-18
DS3 protection switching ........................................................................................................................ 4-28
DS3 cleanup procedures .......................................................................................................................... 4-32
low-speed SFP test procedure ................................................................................................................. 4-41
OC-3 (low-speed) testing ........................................................................................................................ 4-43
OC-12 (low-speed) testing ...................................................................................................................... 4-47
OC-48 (low-speed) testing ...................................................................................................................... 4-52
LED test ................................................................................................................................................... 4-56
5
Office alarm test ........................................................................................................................................ 5-4
Manual switching tests ............................................................................................................................ 5-11
External timing verification ..................................................................................................................... 5-13
Modem connection test ........................................................................................................................... 5-19
Final operations ....................................................................................................................................... 5-21
Part III: 1665 Data Multiplexer (1665 DMX) ring setup and testing
6
Fiber installation ........................................................................................................................................ 6-4
Manual switching tests ............................................................................................................................ 6-14
Final operations ....................................................................................................................................... 6-17
...........................................................................................................................................................................................................................................................
365-372-304R7.1
Issue 1, November 2007
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