AT&T UPAM-K - page 16

UPAM Printed Circuit Board (Rev. 8, 9, 10) Components Location

Installation Manual

Printed Circuit Board (Rev. 8) Components Location

Printed Circuit Board (Rev. 9) Components Location

Capacitor C4

Ring Delay Jumper

Centrex Jumper

Capacitor C4

Ring Delay Jumper

Centrex Jumper J2

Centrex Jumper J3

Capacitor C4

Ring Delay Jumper

Centrex Jumper J2

Centrex Jumper J3

Printed Circuit Board (Rev. 10) Components Location

Contents

Main To Order Copies of This Manual: For Technical Assistance Call : Limited Warranty and Limitation of Liability Page Federal Communications Commission (FCC) Statement (Part 68) Table of Contents Illustrations 1 1. Product Identification UPAM-K Universal Paging Access Module Kit UPAM Components 2 Features 3 UPAM Front Panel AT&T the order of the terminals differs from one supply to the other. UPAM Important Power Supply Note Be sure to observe correct polarity when connecting power supply. 4 2. Connection to the Telephone System General Instructions 5 Trunk Port Connections Loop Start 6 Trunk Port Connections Ground Start UPAM Trunk Port Connections Ground Start 405742735 PBX GROUND START TRUNK PORT R T PBX GND 8 Station Port/Centrex Connections 9 Default Timer Modifications Important Centrex Modification Installation Manual 10 Ring delay Page 12 Page Port Connections PBX / KEY SYSTEM Page Port Connections * Refer to the illustration on the previous page PAGE PORT 1 MODULAR CONNECTOR 14 3. Connection to the Paging System General Guidelines Typical Installations PAGING AMPLIFIER WITH 600 OHM TELEPHONE INPUT Typical Connection to a Lo-Z/600 ohm input BACKGROUND MUSIC SOURCE UPAM Page Page Adjust the volume level. Self-amplified systems usually provide a volume control at each speaker. Typical connection to a self-amplified paging system AMPLIFIED SPEAKER UPAM BACKGROUND MUSIC SOURCE 19 4. TROUBLESHOOTING Functional Test Guide 20 Paging Amplifier Troubleshooting Notes Test Set Voice System Test Set Paging Amplifier