Multiplexer
Concentrator

PC
Unix
Mac
Sun

Adtran
Cisco
Digi
3Com
ADC Kentrox
Nortel
Verilink
Pelco
Maxdata
Multitech Systems
Citel
Tut Systems
Lucent
Konexx
Telco
Extreme Networks
Digital Link
Symbol
Alcatel
BlueSocket
MCL Technologies
Black Box
Compaq
Mace Security
Paradyne
Panasonic
Quick Eagle Networks
Pico Macom
Luxor
Perle Systems
Transition Networks
Raymarine
Zhone
Digiboard
Promise
Bosch
OKI
Lincoln
Unitech
Kentrox
Hewlett Packard
Siemens
IBM
Enterasys
Omnitron Systems
MCK Communications
Intel
Eagle
Allied Telesyn
Metrobility
Avaya
IMC Networks
Canary
Osicom
Patton Electric
Arnet
Polycom
Equinox
Penril
Nlynx
Port Incorporated
Microcom
Carrier
EMC
NEC
Netsys
PREMISYS
Macally
E-Book Systems, Inc.
First Virtual
Marconi Systems
Sys
Nx Networks
Sony
GN Netcom
Alpha Software
Aurora Multimedia
Mitel
Opti
Proxim
Stallion
ZyXEL
Motorola
Atto
SMC
Dec - Systems
DPI
Farallon
Comdial
Fore
Liebert
Fujitsu
R.A.M. Computers
Hotronic
Finisar
DEC

10 Mbps Or Less
11 Mbps - 100 Mbps
More Than 100 Mbps