(Does not apply to all STM-N cards) The Transceiver subtab shows the optical power received (OPR), optical power transmitted (OPT), and laser bias current (LBC) from the line card and stores these values with the performance monitoring (PM) counts for the 15-minute and 1-day periods. The physical layer performance parameters consist of normalized and non-normalized values of LBC, OPT, and OPR. For a list of ONS nodes and cards that support this subtab, see Maintenance.
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