3Com SuperStack II User Manual page 41

Table 10 Maximum Cable Length in Example Collision Domain Diameters
Scenario
No Repeaters
(see Figure 11)
One Class 1 repeater *
(see Figure 12)
One Class 2 repeater †
(see Figure 12)
Two Class 2 repeaters
(see Figure 13)
Figure 13 Collision Domain Diameter with Two Repeaters
F a s t E t
h e r n e t
DTE device
S u p e r S
N E T B u
Maximum Combined Cable Length, by Interface
TX and/or T4
100 m
200 m — 100 m max. on
each side of the repeater
200 m — 100 m max. on
each side of the repeater
205 m — 100 m max. per
cable span
F a s t E t
h e r n e t
R e p e a t
e r
R e p e a t
e r
t a c k I I
i l d e r
FX Only FX & TX
412 m not applicable
272 m 260.8 m
100 m max. TX
Remaining length of FX
320 m 308.8 m
100 m max. TX
Remaining length of FX
228 m 216.2 m
105 m max. total TX, 100
m max. per TX cable span
Remaining length of FX
LAN Connector and Cables
DTE
device
FX & T4
not applicable
231 m
100 m max. T4
Remaining length of FX
304 m ‡
100 m max. T4
Remaining length of FX
263.3 m ‡
105 m max. total T4, 100
m max. per T4 cable span
Remaining length of FX
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