Brocade Fabric OS Command Reference Manual (53-1000240-01, November 2006)
Page 484
... other ports in a port group forms a trunk group when they are nearly equal. mixed case is used to allocate the buffers. portCfgLongDistance Depending on the switch platform and the frame buffers availability within the port group, the LD or LSlevel links can operate up to distances of 500 Km, 250 Km..., or 125 Km at the fixed speed of 1 Gbit/sec, 2 Gbit/sec, or 4 Gbit/sec, respectively. (On some older switch platforms, the LD mode link can operate up to distances of 200 Km and 100 Km at the fixed speeds of 1 Gbit/sec and 2 Gbit/sec, respectively.) A long-distance link also can...
... other ports in a port group forms a trunk group when they are nearly equal. mixed case is used to allocate the buffers. portCfgLongDistance Depending on the switch platform and the frame buffers availability within the port group, the LD or LSlevel links can operate up to distances of 500 Km, 250 Km..., or 125 Km at the fixed speed of 1 Gbit/sec, 2 Gbit/sec, or 4 Gbit/sec, respectively. (On some older switch platforms, the LD mode link can operate up to distances of 200 Km and 100 Km at the fixed speeds of 1 Gbit/sec and 2 Gbit/sec, respectively.) A long-distance link also can...