Fast EtherHub 3500 System User’s Guide
Product Support Services E-7
Ordering Information
Fast EtherHub-12i
(EH3512I-TX) Intelligent Fast Ethernet Stackable Hub with 12
100BASE-TX Ports
Fast EtherHub-12mi SNMP
(EH3512M-TX) Intelligent Fast Ethernet Stackable Hub with 12
100BASE-TX Ports; including SNMP
Managment Support
SmartExtender Modules
100BASE-TX (EM3551-TX)
100BASE-T4 (EM3551-T4)
100BASE-FX (EM3551-FX-SC or
EM3551-FX-ST)
Slide in module with 1 100BASE-TX,
100BASE-T4 or 100BASE-FX Uplink Port
The 100BASE-TX module runs at 10 or 100
Mbps (via auto-detection). The 100BASE-TX
and 100BASE-FX modules run at half or full
duplex (via auto-negotiation). See Table E-1.
Redundant Power Supply (EM3550-PWR) Serves as a redundant power supply or a
replacement for the primary power supply.
AccView/Open (SW6102) Windows-based network management software.
FlexBus 3500 Stack Cable (EC3550) 20cm stack cable with connectors
The operational parameters supported by the different
SmartExtender modules are shown in the following table.
Module 10 Mbps 100 Mbps Half Dulex
Full Duplex
100BASE-TX [[ [ [
100BASE-T4 [[
100BASE-FX [[[
Table E.1 Parameters for SmartExtender Modules