Extreme Networks Summit X150 Series Hardware Installation Manual page 170

Table 82: Summit Stacking by Stacking Method
Stacking Method
SummitStack
SummitStack-V
SummitStack-V80
SummitStack-V160
SummitStack-V320
SummitStack128
SummitStack256
SummitStack512
* Combined over paired ports
** VIM2-SS128 is a module that can stack with other X480 using VIM2-SS128. It can also stack with
SS256 with a conversion cable.
The following table shows the stacking method available for each switch series, listed by the switch
series.
Table 83: Switch Series and Summit Stacking
Summit Switch
Summit X250
Summit X440
Note: X440-L2-24t
and X440-L2-48t do
not have stacking
capability.
Summit Family Hardware Installation Guide
Speed per Link (HDX) Cable Type and
10 Gbps
10 Gbps
20 Gbps
40 Gbps
80 Gbps*
32 Gbps
64 Gbps
128 Gbps
Stacking Method
SummitStack
(Rear panel)
SummitStack
(Front panel for 8t and 8p
models. Rear panel for all
other models except 10G
models; 10G models do not
have native stacking ports)
SummitStack-V (Front
panel 10G models)
Summit Switch
Lengths
0.5m, 1.5m, 3.0m, 5.0m, Summit X250, X440, X450a/e,
20Gbps Stacking Cable X460, X480, X650 (VIM1)
Note: X650 cannot use the 5.0m
cable.
0.5m - 40km Summit X440 (10G models),
SFP+, XFP, XENPAK X450a/e, X460 (XGM3-2sf,2xsf),
(with SR, LR, and ER) X480 (VIM2,3), X650 (VIM1,3), X670
and X670V (ports 47 and 48), X770
0.5m - 100m Summit X460 (SSv80), X480
QSFP+ only (VIM2,3), X650 (VIM3), X670V
(VIM4)
0.5m - 100m Summit X480 (VIM3), X650 (VIM3),
QSFP+ only X670 (VIM4), X770 (ports 103 and
104)
0.5m - 100m Summit X480 (VIM3), X650 (VIM3),
QSFP+ only X670 (VIM4), X770 (ports 101 and
103, and 102 and 104)
0.5m, 1.5m, 3.0m Summit X480 (VIM2SS128)**
0.5m, 1.5m, 3.0m Summit X650 (VIM1SS256)
0.5m, 1.5m, 3.0m Summit X650 (VIM1SS512)
Speed per Link (HDX) Cable Type and Lengths
10 Gbps 0.5m, 1.5m, 3.0m, 5.0m
20Gbps Stacking Cable
10 Gbps 0.5m, 1.5m, 3.0m
20Gbps Stacking Cable
10 Gbps 0.5m - 40km
SFP+
Building Stacks
170