cirbhBackHaulAdjectSerialNum 1.3.6.1.4.1.9.9.483.1.2.2.1.1.1.1

This object provides the serial number of the adjacent device supporting the backhaul connection. This object contains the same value as the corresponding entPhysicalSerialNum object. The type of object like chassis or module is provided by the cirbhBackHaulAdjectVendorType object.