Spectralink 150 Brochure

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Technical Bulletin CS-00-01 
 
THE INFORMATION PROVIDED IN THE SPECTRALINK TECHNICAL BULLETIN IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND.  NO 
OBLIGATION OR LIABILITY WILL ARISE OUT OF, SPECTRALINK RENDERING TECHNICAL OR OTHER ADVICE OR SERVICE IN CONNECTION 
HEREWITH. 
SpectraLink Corporation   •   5755 Central Avenue   •   Boulder, Colorado 80301   •   303.440.5330 
 
 
Connecting a Modem to a NetLink 150 Telephony Gateway
 
Date: 
April 01, 2003
 
Software Versions:  
All 
Hardware Revisions: 
All 
Product Type:   
All
 
Access Level: 
Reseller 
 
Originator:  
 
Anthony Paszyna
  
Approvers:  
John Elms 
Gary Bliss 
Status:  
Approved 
Revision:  
B 
 
 
Description 
This document describes the steps needed to connect a US Robotics Sportster 33.6 modem to 
SpectraLink’s NetLink 150 Telephony Gateway.  An analog modem line must be provided separately, 
regardless of the model of Gateway.  If your site consists of multiple gateways, a single modem can be 
used to support all of them.  If you choose to use different modems, this document may not include all the 
steps necessary to properly configure the modems.   
Change the Dip Switches 
The dip switches on the back of the modem must be set properly.  Set the dip switches to the following: 
 
    1 2 3 4 5 6 7 8 
UP    X X   X X X X  
DOWN   
 
 
 
 
 
 
 
Switches 3 and 8 must be down, and the rest must be up. 
Change the Internal Settings 
The following steps are used to program the internal settings.  This can be done using a standard 
communications package such as ProComm Plus or Hyperterminal.   
Once connected to the modem type in the following: 
AT&F1  <Enter> Loads factory default settings 
AT&N6 <Enter> Sets the baud rate to 9600 
AT&H0 <Enter> Sets Transmit Data Flow control to disabled 
AT&R1 <Enter> Sets modem to ignore Request to Send (RTS) 
AT&W0 <Enter>  
Saves the configuration 
 
Power off the modem and back on. 
Type:  ATI4 <Enter>  To display the settings.   
They should match the figure below (the following screen picture was taken using ProComm Plus.)