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SmartNode™ 4120
Single/Dual-Port ISDN BRI
VoIP Gat eway
User Manual
Sales Office: +1 (301) 975-1000
Technical Support: +1 (301) 975-1007
E-mail: support@patton.com
www.patton.com
Part Number: 07MSN4120-UM , Rev. B
Revised: February 9, 2012
Important
—
This is a Class B device and is intended for use in a light industrial or residential environment. It is not intended nor
approved for use in an industrial environment
.
This device is approved for connection to the public ISDN telecommunication network, over BRI/S0-ISDN interfaces.