HP Mainframe Connectivity Design Guide

Figure 10 FICON SAN using 2-byte destination link addressing with two CUs
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CU 1000 CU 2000 CU 3000
Switch 02
20
21
22
10
Switch 01
10
11
CU 0800
CU 0900
20
21
CHPID 01
The host definitions for the CUs in Figure 10 (page 27) contain the following routing information:
Control Unit = 0900Control Unit = 0800
Path = CHPID 01Path = CHPID 01
Link = 0121Link = 0120
Control Unit = 3000Control Unit = 2000Control Unit = 1000
Path = CHPID 01Path = CHPID 01Path = CHPID 01
Link = 0222Link = 0221Link = 0220
FICON SAN routing 27