
SpectraLink Corporation  Installation and Operation 
 Link WTS – Link 150 M3 MCU 
1. About This Document 
This document explains installation and operation of SpectraLink’s Link Wireless 
Telephone System (Link WTS), using the Link 150 Model 3 (M3) Master Control 
Unit (MCU). The Link 150 M3 MCU adds wireless service to your existing telephone 
system. The installation process connects the Link WTS to your telephone system, 
and activates the Link Wireless Telephones. 
1.1 SpectraLink Corporation Model Numbers 
This document covers the following registered model numbers: 
SCA416, SCA408, SCA516, SCC408, SCC416, SCD408, SCD416, SCE408, SCE416, 
SCF4089, SCF416, SCI408, SCI416, SCJ408, SCJ416, SCK408, SCK416, SCL408, 
SCL416, SCM408, SCM416, SCN408, SCN416, SCO408, SCO416, SCS416, 
SCT416, SCX416 RCC400, RCO400, RCU100, RCU200, RCU201, MOG400 
1.2 Related Documents 
Link 150 M3 MCU: Installation and Operation 
(72-0075-01) 
Link 150 M3 MCU: Quick Reference 
(72-0075-02)
Link 150 M3 MCU: Open Application Interface (OAI) Gateway Installation and 
Setup
 (72-0075-07) 
Link 6020 Wireless Telephone Configuration and Administration (
72-1204-00)
Installing the Outdoor Base Station
(72-0050-01) 
Available at http://www.spectralink.com/consumer/resources/manuals.jsp. 
LinkPlus Interface Guide
 (72-0171-xx where xx indicates a number corresponding to 
the type of PBX) 
Available at http://www.spectralink.com/consumer/resources/interface_guides.jsp. 
1.3 Customer Support Hotline 
SpectraLink wants you to have a successful installation. If you have questions please 
contact the Customer Support Hotline at (800) 775-5330. The hotline is open 
Monday through Friday, 6 a.m. to 6 p.m. Mountain time. 
1.4 Icons and Conventions 
This manual uses the following icons and conventions. 
 Caution! Follow these instructions carefully to avoid danger. 
 Note these instructions carefully. 
NORM This typeface indicates a key, label, or button on the MCU or Link 
Wireless Telephone (handset). 
PN: 72-0075-01-F.doc   Page 6