Extended Identifier bit fields: Bits 7-6 - Power Class: 00b: Power Class 1 Module (? 8 W max), 01b: Power Class 2 Module (?16 W max), 10b: Power Class 3 Module (? 24 W max), 11b: Power Class 4 Module (? 32 W max). Bits 5-4 Lane Ratio: 00b: Network lane : Host lane = 1 : n (Mux type), 01b: Network lane : Host lane = n : m (Gear Box type), 10b: Network lane : Host lane = n : n (Parallel type), 11b: Reserved Bits 3-1 WDM Type: 000b: Non-WDM, 001b: CWDM, 010b: LANWDM, 011b: DWDM on 200G-grid, 100b: DWDM on 100G-grid, 101b: DWDM on 50G-grid, 110b: DWDM on 25G-grid, 111b: Other type WDM Bit 0 CLEI Presence: 0: No CLEI code present, 1: CLEI code present