External JP4 Lead Fuse F2 Reference DS1 | Ericsson LBI-39076B

INSTALLATION

LBI-39076B

	J1
EXTERNAL		JP4
M-LEAD	1	FUSE F2	-48 V
REFERENCE		DS1
		620 OHMS
M-LEAD	2

	3	4.7 OHMS					JP15
							JP15
							B	A		REC.
4-WIRE						T1
4-WIRE							B	A		AUDIO
SEND				JP3			JP14
				JP3			JP14
				D
			A	C			10
	4	4.7 OHMS		B			10
	4	4.7 OHMS		B
2-WIRE						JP13
2-WIRE			.47		JP10	A	B
SEND/REC.			.47		JP10	A	B
SEND/REC.
OR			RING			LOOP			AUDIO	BAL.
4-WIRE			DET.		JP11	LOOP			AUDIO	BAL.
4-WIRE			DET.		JP11	CURRENT		T2
REC.						CURRENT			HYBRID	CKT.
				JP2		DET.
	5	4.7 OHMS		B
			A	C						SEND
				D						SEND
				D	K3		B
					K3		B
						JP9				AUDIO
							A
						A
	6	4.7 OHMS			JP8	C
			JP6			B
			JP6
			100 OHMS
			A					A
			M					E	B	JP7
		D	B					M
			C					F	C
E-LEAD	7							D		B
E-LEAD	7							JP1	E-LEAD

										JP12
									DET.	JP12
							K2		DET.	A
										A

				DS2	M-LEAD RELAY
					DE-ENERGIZED for IDLE (shown)
					DE-ENERGIZED for IDLE (shown)
					ENERGIZED for BUSY

EXTERNAL		620 OHMS
EXTERNAL		JP5
E-LEAD	8	FUSE F3 GND
REFERENCE
	RJ-45

Figure 23 - Telephone Interface Circuit (Rev A Main Board)

21

Image 21

Ericsson LBI-39076B system manual External JP4 Lead Fuse F2 Reference DS1

Contents

System Manual Revision Date Reason for Change Revision History Table of Contents Table of Contents List of Figures and Tables Figures Figures and Tables Regulatory Compliance DOC Registration DOC Compliance NoticeDOC Avis DE Conformation Specifications SpecificationsMastr Overview Introduction / Description GTI Units Description GTI Configurator Software Description / InstallationGTI Interface Board IAM MDR InstallationGTI Getc Site Controller Hardware Radio SoftwareSite Controller Software Empty Radio Channel Assignments Application Software PROMsPersonality PROMs GTI Software Main BoardRevision-A Main boards Revision-D or E Main boards Processor BoardInterface Board Revision-A Main Board GTI Telephone InterfaceF2&F3 OUT Wire E&M, Microwave Wire E&M, TypeEnd-to-End, Loop Start End-to-End, Ground Start Jumper Positions for JP1 Through JP15 Fuses External JP4 Lead Fuse F2 Reference DS1 GTI DIP Switch Settings Revision-D or E Main BoardDid GTI Interface Board Mounting GTI & IAM Mounting GTI ConnectionsTelephone Line Mastr III Power Supply/Audio Mastr II or IIe Power Supply/AudioPCM/Data Bus Site Controller Computer IAM Software Alarm Outputs Power SupplyIAM Connections Printer RS-232 Port Getc Modification IAM DIP Switch Settings Site Controller Database ConfigurationInterconnect Timing Parameters Operation without System Manager General Limits for Site Operation with System Manager Who Can Receive Calls Who Has What Toll Call Restrictions Who Has What Priority GTI Database Recommendation RTS CTS Remote Data Link Operation Alarm Indicator CDR Received IndicatorLow-Battery Indicator Printer Indicator Interconnect Calls BackupStatus Overview Telephone-Originated Call Detecting the CallAnswering the Call Obtaining Working Channel Identifying Called ID Ending the Call Radio-Originated CallObtaining a Working Channel RE-DIALED Digits Interconnect Digits Overdialed Digits GTI Removal MaintenanceMastr II or IIe Repeaters Mastr III Repeaters GTI DSP ELI Software Upgrades Plan a All at One Time Software Version Required for Main Board Revision Number Plan B Half at a Time Maintenance Plan C One at a Time Maintenance IAM Unit No interconnect or radio-to-radio Troubleshooting Interconnect Rotary Definition for Set the Max # Concurrent InterconAll telephone-originated interconnect Toll Call Parameters screen LBI-39076B Glossary Glossary Presence of a DC loop current between one of the two wires Parts List Glossary / Parts List Edacs Interconnection Diagram Schematic Diagram Installation Checklist Installation Checklist