Cisco ASR 9902 Chassis, 2RU - Powerline - 48 QSFP28, SFP28, SFP+, QSFP-DD Slots - 100 Gigabit Ethernet - IEEE 802.3ah, IEEE 802.1ag, IEEE 802.3, IEEE 802.3ab, IEEE 802.3ad, IEEE 802.1s, IEEE 802.3u, IEEE 802.3at, IEEE 802.3ae, IEEE 802.3az, IEEE 802.3af, ... - 2U - Rack-mountable: