3Com 1100 User Manual page 29

3 Connect the Matrix Cables, as shown in Figure 10:
a Connect a Matrix Cable to the port marked Unit 1 on the Matrix
Module. Connect the other end of this cable to the matrix port of the
Switch that contains the Matrix Module.
b Connect a second Matrix Cable to the port marked Unit 2 on the
Matrix Module. Connect the other end of this cable to the matrix port
of the second Switch.
c Repeat steps a and b for any additional Switch units.
Figure 10 A stack of multiple units
Stacking Units 29