Linksys SFE2000 - Manual (Page 12)

Links
ys Bus
iness Ser
ies SF
E2000 Fast Ether
net Switch
180778
10
Install: Stack
Warning Use only ports G1/G2 for stacking. If you manually assign a
Unit ID to one unit, you should manually assign Unit IDs to all
units. Using both system-assigned and manually-assigned IDs in
your network can impact system performance.