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AT&T UPAM-K - page 1
AT&T UPAM-K Universal Paging Access Module Kit Installation Manual Document No. 518-600-031 ...
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AT&T UPAM-K - page 2
To Order Copies of This Manual: Your AT&T Information Systems Sales Representative or Call: Your Business Sales and Service Center or The AT&T Customer Information Center, 1-800-432-6600 AT&T Customer Information Center Write: P.O. Box 19901 Indianapolis, IN 46219 Order: Document Number 518-600-031 For Technical Assistance Call : GBS Te ...
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AT&T UPAM-K - page 3
AT&T UPAM-K Universal Paging Access Module Installation Manual Issue 2, June 1990 Bogen Part No. 54-5916-02 Printed in U.S.A. 9006 ...
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AT&T UPAM-K - page 4
Federal Communications Commission (FCC) Statement (Part 68) This equipment is component registered with the Federal Communications Commission (FCC) in accordance with Part 68 of its rules. In compliance with the rules, be advised of the following: Registered equipment may not be used with Coin Telephone Lines. Equipment may be used with Party Lines ...
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AT&T UPAM-K - page 5
1. 2. 3. 4. Table of Contents Product Identification UPAM-K Universal Paging Access Module Kit Overview Components Features Connection to the Telephone System General Instructions Specific Instructions Trunk Port Connections — Loop Start Trunk Port Connections — Ground Start Station Port/Centrex Connections Page Port Connections Connection to t ...
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AT&T UPAM-K - page 6
1 1. Product Identification Installation Manual UPAM-K Universal Paging Access Module Kit The UPAM-K Universal Paging Adaptor Module Kit designed to provide telephone access to most commonly available paging systems. It works with loop- and ground-start trunk ports, station ports or paging ports, and is compatible with the full range of currently a ...
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AT&T UPAM-K - page 7
Installation Manual 2 Features ● ● ● ● ● ● ● ● Acts as point of demarcation Acts as a point of demarcation between telephone system and customer paging equipment. 24V or 48V operation (trunk port operation) Mode switches let you select 24-volt or 48-volt operation. A 48-volt power supply is included to provide 48-volt trunk port ope ...
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AT&T UPAM-K - page 8
3 UPAM Front Panel Installation Manual 405899972 AT&T UPAM Universal Paging Access Module BGM IN MODE OFF ON 24 VDC PWR SUPPLY — S1,S2 48 VDC PWR SUPPLY PHONE SYSTEM T S1,S2 — CONFIRMATION TONE S3 S4 R +M PREANNOUNCE TONE S4 S3 EXT VOX ENABLE -M VOX DISABLE S5 — PT VOX ENABLE — S5 PAGING OUTPUT PR PAGE PORT CONTACT CLOSURE N.O. INPUT CO ...
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AT&T UPAM-K - page 9
Installation Manual 4 2. Connection to the Telephone System General Instructions This section contains installation procedures for connection to the telephone system. You should first follow the General Instructions and then refer to the Specific Instructions for the type of telephone switch to be connected (loop- or ground-start trunk port, statio ...
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AT&T UPAM-K - page 10
5 Installation Manual Specific Instructions Trunk Port Connections — Loop Start Controls for VOX Delay, Page Time, and Mode Switch S5 are not operable in this mode. Procedure 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Mount and ground the UPAM as described in the General Instructions. Set mode switches S1 and S2 in OFF position for use with the 48-volt power ...
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AT&T UPAM-K - page 11
Installation Manual 6 Specific Instructions Trunk Port Connections — Ground Start Controls for VOX Delay, Page Time, and Mode Switch S5 are not operable in this mode. Procedure 1. Mount and ground the UPAM as described in General Instructions. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. Set mode switches S1 and S2 in OFF position for use with the 48-volt ...
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AT&T UPAM-K - page 12
7 Installation Manual 405899972 AT&T UPAM MODE 24 VDC PWR SUPPLY 48 VDC PWR SUPPLY CONFIRMATION TONE PREANNOUNCE TONE VOX DISABLE VOX ENABLE — S1,S2 S3 S4 S5 — S1,S2 — S4 S3 — S5 PAGE PORT INPUT Universal Paging Access Module BGM IN OFF ON T PHONE SYSTEM R + M EXT VOX ENABLE - M P T PAGING OUTPUT PR CONTACT CLOSURE N.O. COM POWER SUPPLY ...
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AT&T UPAM-K - page 13
Installation Manual 8 Specific Instructions Station Port/Centrex Connections Disconnect methods In station port operation, the UPAM provides CPC — calling-party-controlled (loop current interrup- tion) disconnect, default timer disconnect, or optional voice-operated (VOX) disconnect. The calling- party-controlled disconnect recognizes a line-issu ...
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AT&T UPAM-K - page 14
9 Installation Manual Default Timer Modifications Inhibit default timer A field modification is available to inhibit the default timer. Do not inhibit the timer if jumpers J2 & J3 have been removed as outlined in Important Centrex Modification, below, and the VOX delay timer has been disabled (S5 is OFF). This situation may cause the UPAM to re ...
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AT&T UPAM-K - page 15
Installation Manual 10 Ring delay Cutting jumper J1 increases the length of time it takes to answer the ringing line. This allows time for a talk path to be established before the UPAM answers, thereby ensuring that the preannounce or confirmation tone will be heard. Central office or Centrex lines, which may be slower than other switching equipmen ...
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AT&T UPAM-K - page 16
11 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 J1 Centrex Jumper J2 Capacitor C4 Ring Delay Jumper J1 Centrex Jumper J2 Centrex Jumper J3 Capacitor C4 Ring Delay Jumper J1 Centre ...
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AT&T UPAM-K - page 17
Installation Manual 12 Specific Instructions Page Port Connections VOX DELAY, PAGING TIME, and Mode Switch S5 are not operable in this mode Procedure 1. 2. 3. 4. 5. 6. 7. 8. Mount and ground the UPAM as described in General Instructions. Set mode switches S1 and S2 in OFF position for use with the 48-volt power supply, or ON position if a 24-volt p ...
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AT&T UPAM-K - page 18
13 Installation Manual 405899972 PBX / KEY SYSTEM MODE OFF ON 24 VDC PWR SUPPLY 48 VDC PWR SUPPLY CONFIRMATION TONE PREANNOUNCE TONE VOX DISABLE VOX ENABLE — S1,S2 S3 S4 S5 — S1,S2 — S4 S3 — S5 PHONE SYSTEM T R EXT VOX ENABLE +M -M PAGE PORT PAGING OUTPUT P T PR MODULAR CONNECTOR PAGE PORT INPUT CONTACT CLOSURE N.O. COM POWER SUPPLY +24/48 ...
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AT&T UPAM-K - page 19
Installation Manual 14 3. Connection to the Paging System General Guidelines The UPAM is designed to connect to typical “centrally-amplified” and “self-amplified” paging and sound systems. “Centrally-amplified” systems generally use one amplifier to distribute the page audio to large numbers of speakers. “Self-amplified” systems gen ...
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AT&T UPAM-K - page 20
Installation Manual 15 PAGING AMPLIFIER WITH 600 OHM TELEPHONE INPUT VOX SENS TREBLE BASS BACKGROUND MUSIC SOURCE POWER PEAK LEVEL PAGE VOL MUSIC PUSH TO RESET CIRCUIT BREAKER MUTE VOL RING TIP COM 70.7V MIC VOLUME 405899972 AT&T UPAM Universal Paging Access Module 48 VDC PWR SUPPLY CONFIRMATION TONE PREANNOUNCE TONE VOX DISABLE VOX ENABLE S1,S ...
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AT&T UPAM-K - page 21
Installation Manual 16 AT&T UPAM 48 VDC PWR SUPPLY CONFIRMATION TONE PREANNOUNCE TONE VOX DISABLE VOX ENABLE S1,S2 S3 S4 S5 — — S4 S3 — S5 EXT VOX ENABLE +M -M PT PR PAGING OUTPUT BGM VOL 600 OHMS CT AUX POWER 300 W MAX INPUTS HI-Z INPUT BAL LO-Z Connecting the UPAM to an amplifier’s Hi-Z AUX input You can connect the UPAM to an amplifi ...
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AT&T UPAM-K - page 22
17 Installation Manual Connecting the UPAM to an amplifier’s MIC input Due to the higher sensitivity of microphone inputs, they should be used only as a last resort. The Lo-Z microphone connection is the more desirable of the two because it is less susceptible to noise pickup. The UPAM connects to the MIC input using the WMT-1A transformer. This ...
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AT&T UPAM-K - page 23
Installation Manual 18 Connecting the UPAM to a self-amplified paging system Connection to a self-amplified system usually consists of connecting the UPAM output to the line feeding the system’s self-contained amplifiers. In some cases, connection may be made to a small buffer amplifier, which is used in some systems to provide an adequate signal ...
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AT&T UPAM-K - page 24
19 Installation Manual 4. TROUBLESHOOTING Functional Test Guide Use the following guide to troubleshoot problems that arise after installation. To start the test, pick up a telephone and call the UPAM. Does the UPAM activate? The UPAM is activated if it returns a tone over the telephone, the external contacts close, and relays inside the unit click ...
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AT&T UPAM-K - page 25
Installation Manual 20 Procedure A 1. Disconnect the UPAM from the telephone equipment. 2. Confirm that the power supply is properly connected and that the mode switches are in the correct positions (make sure mode switches S3 and S4 are not in the same position). 3. Connect a test set to T & R terminals on UPAM (test set should be on hook). 4. ...
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