Output -
show snmp mib walk jnxOperatingDescr
jnxOperatingDescr.1.1.0.0
jnxOperatingDescr.2.1.1.0 = Power Supply 0 @ 0/0/*
jnxOperatingDescr.2.1.2.0 = Power Supply 1 @ 0/1/*
jnxOperatingDescr.2.2.1.0 = Power Supply 0 @ 1/0/*
jnxOperatingDescr.2.2.2.0 = Power Supply 1 @ 1/1/*
jnxOperatingDescr.4.1.1.0 = Fan Tray 0 @ 0/0/*
jnxOperatingDescr.4.1.2.0 = Fan Tray 1 @ 0/1/*
jnxOperatingDescr.4.1.3.0 = Fan Tray 2 @ 0/2/*
jnxOperatingDescr.4.1.4.0 = Fan Tray 3 @ 0/3/*
jnxOperatingDescr.4.1.5.0 = Fan Tray 4 @ 0/4/*
jnxOperatingDescr.4.2.1.0 = Fan Tray 0 @ 1/0/*
jnxOperatingDescr.4.2.2.0 = Fan Tray 1 @ 1/1/*
jnxOperatingDescr.4.2.3.0 = Fan Tray 2 @ 1/2/*
jnxOperatingDescr.4.2.4.0 = Fan Tray 3 @ 1/3/*
jnxOperatingDescr.4.2.5.0 = Fan Tray 4 @ 1/4/*
jnxOperatingDescr.7.1.0.0 = FPC: EX4600-40F @ 0//
jnxOperatingDescr.7.2.0.0 = FPC: EX4600-40F @ 1//
jnxOperatingDescr.8.1.1.0 = PIC: 24x10G-4x40G @ 0/0/*
jnxOperatingDescr.8.2.1.0 = PIC: 24x10G-4x40G @ 1/0/*
jnxOperatingDescr.9.1.0.0 = Routing Engine 0
jnxOperatingDescr.9.2.0.0 = Routing Engine 1
{master:0}
show snmp mib walk .1.3.6.1.4.1.2636.3.1.13.1.8.7.1.0.0