Which coupling link allows two zEC12 machines to connect at the maximum distance apart?
A. HCA3-O LR 1X
B. HCA3 12X DDR
C. HCA1-O LR 1X
D. HCA2 12X
Which coupling link allows two zEC12 machines to connect at the maximum distance apart?
A. HCA3-O LR 1X
B. HCA3 12X DDR
C. HCA1-O LR 1X
D. HCA2 12X