nbsCmmcPortValue 1.3.6.1.4.1.629.200.8.1.1.22

Originally named nbsCmmcPortOpticalPower. Now usage may vary by card. For card 162, PortValue measures the Optical Power, or signal strength. For card 197, PortValue is a text string displaying signal strength in decibels. For cards 211 and 212, PortValue measures the current bandwidth level. Only one byte is used, and its value can be notSupported(1), under45Mbps(2), under155Mbps(3), under622Mbps(4), or under1Gbps(5)