xgs360026fERPSConfPort1 1.3.6.1.4.1.890.1.5.8.77.2.10.1.2.1.4

West port of the switch in the Ring. As interconnected sub-ring will have only one ring port, W port is configured as 0 for interconnected sub-ring. 0: in this field indicates that no west port is associated with this instance. range : 0 - 26.