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FAQ-Metro 1000 power on with -48V and -60V

Publication Date:  2012-07-25 Views:  42 Downloads:  0
Issue Description
Optix155/622H has been working with -48 V power supply.
Customer removed the equipment to other site, where the power supply system only support - 60 V. How to power the Metro1000 from -60 V
Alarm Information
Null
Handling Process
Just switch off the equipment, pull out -48V connector, insert -68V connector and power on the equipment.
Root Cause
Power supply board in Metro 1000 is SS42POIA. According to Hardware discription Power supply  Accesses has  two �48 V/�60 V option, but on there board there is only -48 V label. 
Customer is worring about any additional action to do to supply with -60 V
Suggestions
It is better to indicate both -48V/-60V variants on the Power supply board.

END