3Com 3C16986A, 3C16988A, 3C16987A, 3C16985B manual Stack of two units

30CHAPTER 2: INSTALLING THE SWITCH

Figure 12 A stack of two units

Stacking Up To Four You can stack up to four Switch units using one Switch 3300 MM and Units the appropriate number of Matrix Cables.

Only one SuperStack 3 Switch 3300 MM unit can be fitted per stack.

To stack up to four Switch units:

1Power-off all the units.

2Arrange the units as required. They can be rack-mounted or free-standing; if you choose to have them free-standing, remember to position the rubber feet as detailed in “Placing Units On Top of Each Other” on page 28. When positioning the units, note that Matrix Cables are 1m (3.28ft) long.

3Connect the Matrix Cables, as shown in Figure 13:

a Connect a Matrix Cable to the port marked Unit 2 on the

Switch 3300 MM. Connect the other end of this cable to the Matrix Port on the Switch placed immediately above the Switch 3300 MM.

b Connect a second Matrix Cable to the port marked Unit 3 on the Switch 3300 MM. Connect the other end of this cable to the Matrix Port on the next Switch up.

c Connect a third Matrix Cable to the port marked Unit 4 on the Switch 3300 MM. Connect the other end of this cable to the Matrix Port on the Switch at the top of the stack.