H3C CR19000 Cluster Routers Series
The CR19000 router series includes the following models: CR19000-8, CR19000-16, CR19000-20, and CR19000-MC. The CR19000-8, CR19000-16, and CR19000-20 provide 8, 16, and 20 service line-card slots, respectively. The CR19000-MC is a fabric card chassis (FCC) that provides interconnection and unified control of multiple CR19000-20 routers. The CR19000-8 can operate in single-chassis mode or the backto-back cluster mode. The CR19000-16 can operate in single-chassis mode. The CR19000-20 can operate in single-chassis mode, back-to-back cluster mode, or multi-chassis cluster mode.