3Com SuperStack II User Manual

LAN Connector and Cables 41
Figure 13 Collision Domain Diameter with Two Repeaters
Fast Ethernet Repeater
Fast Ethernet Repeater
DTE
device
DTE device
SuperStack II
NETBuilder
Table 10 Maximum Cable Length in Example Collision Domain Diameters
Maximum Combined Cable Length, by Interface
Scenario TX and/or T4 FX Only FX & TX FX & T4
No Repeaters
(see Figure 11)
100 m 412 m not applicable not applicable
One Class 1 repeater
*
(see Figure 12)
200 m — 100 m max. on
each side of the repeater
272 m 260.8 m
100 m max. TX
Remaining length of FX
231 m
100 m max. T4
Remaining length of FX
One Class 2 repeater
†
(see Figure 12)
200 m — 100 m max. on
each side of the repeater
320 m 308.8 m
100 m max. TX
Remaining length of FX
304 m
‡
100 m max. T4
Remaining length of FX
Two Class 2 repeaters
(see Figure 13)
205 m — 100 m max. per
cable span
228 m 216.2 m
105 m max. total TX, 100
m max. per TX cable span
Remaining length of FX
263.3 m
‡
105 m max. total T4, 100
m max. per T4 cable span
Remaining length of FX
HWBook Page 41 Friday, June 19, 1998 3:42 PM

3Com SuperStack II Specifications

General

Brand	3Com
Model	SuperStack II
Category	Switch
Language	English