Hitachi TrueCopy for z/OS user guide (December 2005)

50 TrueCopy for the XP128/XP1024/XP10000/XP12000
support. Long-distance solutions are provided, based on user requirements and workload characteristics,
using approved channel extenders and communication lines.
Figure 11 Serial remote copy connection configurations
The ESCDs can accommodate multiple MCU-RCU remote copy connections.
Figure 12 N pairs of remote copy connections
N-to-1 or 1-to-n remote copy connections (n≤4) can also be configured by using the dynamic switching
capability of the ESCDs to share the physical interface cables between the components.
Figure 13 N-to-1 and 1-to-n remote copy connections (n≤4)