View source for WS-SUP720-3B daughter cards

==WS-SUP720-3B default daughter card==

(WS-SUP720-3B) is shipped with a factory-installed PFC3B daughter card (WS-F6K-PFC3B) and a factory-installed MSFC3 daughter card (WS-F6K-MSFC3). Supervisor Engine 720 has three uplink ports: two 1000BASE-X Ethernet uplink ports that require the installation of GBIC transceivers and one 10/100/100 port equipped with an RJ-45 connector. Only uplink two ports can be used at a time.

==WS-SUP720-3B daughter card upgrade options==

 (WS-SUP720-3B) is shipped with a factory-installed PFC3B daughter card (WS-F6K-PFC3B) and a factory-installed MSFC3 daughter card (WS-F6K-MSFC3). Supervisor Engine 720 has three uplink ports: two 1000BASE-X Ethernet uplink ports that require the installation of GBIC transceivers and one 10/100/100 port equipped with an RJ-45 connector. Only uplink two ports can be used at a time.