Page 2 - NOTICES; REVISION HISTORY; Revision; Revision D Main Board and Corrections
LBI-39076B NOTICES Copyright September 1994, Ericsson GE Mobile Communications Inc. 2 REVISION HISTORY Revision Date Reason for Change - Sep 1994 Original Release (ELI Software Release 1.0) A Jan 1995 Revision D Main Board and Corrections B Feb 1996 Revision E Main Board, ELI Software Release 1.1,...
Page 3 - PAGE
TABLE OF CONTENTS LBI-39076B 3 TABLE OF CONTENTS PAGE REGULATORY COMPLIANCE ............................................................................................................... 7 SPECIFICATIONS ..................................................................................................
Page 4 - TABLE OF CONTENTS
LBI-39076B TABLE OF CONTENTS 4 TABLE OF CONTENTS (Cont.) PAGE CONFIGURATION .................................................................................................................................... 29 OVERVIEW...................................................................................
Page 6 - FIGURES AND TABLES
LBI-39076B FIGURES AND TABLES 6 LIST OF FIGURES AND TABLES (Cont.) PAGE Figure 31 - MASTR II & IIe Connections ................................................................................................... 25Figure 32 - PCM / Data Bus Cable .....................................................
Page 7 - a. Device must not cause harmful interference.
REGULATORY COMPLIANCE LBI-39076B 7 REGULATORY COMPLIANCE FEDERAL COMMUNICATIONS COMMISSION (FCC) REGULATIONS 1. This Telephone Interconnect, before its connection to a Telephone Central Office, must be reported to the "CENTRALIZED OPERATIONS GROUP" of the local area Telephone Company (not th...
Page 8 - b. Incoming call is routed to a dial prompt.; DOC REGISTRATION
LBI-39076B REGULATORY COMPLIANCE 8 REGULATORY COMPLIANCE (Cont.) FEDERAL COMMUNICATIONS COMMISSION (FCC) REGULATIONS b. Incoming call is routed to a dial prompt. c. Incoming call is routed to a recorded announcement that can be administered by the CPE (Customer Premise Equipment) user. 9. If this un...
Page 9 - IAM
SPECIFICATIONS LBI-39076B 9 SPECIFICATIONS Dimensions: Master GTI ........................................................... 1.75" H x 19.00" W x 12.00" DGTI ............................................................... 1.75" H x 19.00" W x 12.00" D IAM ......................
Page 10 - INTRODUCTION / DESCRIPTION; INTRODUCTION; This manual describes the installation, configuration,; DESCRIPTION; OVERVIEW; The ELI option is a telephone switching system that
LBI-39076B INTRODUCTION / DESCRIPTION 10 INTRODUCTION This manual describes the installation, configuration, and operation of the Enhanced Local Interconnect (ELI)option. A companion manual, the Global TelephoneInterconnect (GTI) Configurator user's guide (LBI-39077),describes how to use the GTI Con...
Page 12 - INSTALLATION
LBI-39076B DESCRIPTION / INSTALLATION 12 The telephone line interface provides the following functions for radio-originated calls: • Applies signaling to seize telephone line. • Detects signaling from telephone line. • Generates and applies telephone number digits totelephone line. • Sends voice pro...
Page 13 - EQUIP
INSTALLATION LBI-39076B 13 Table 1 - Sequence of Installation Activities (with Step # References) Standard GTI Units Assign Record Software Set Up Set DIP Switches Mount with Connections Master GTI Radio Chan Version #s Phone Interface Radio Chan Equip Assign Radio Chan Record Software Set Up Set DI...
Page 15 - Application Software PROMs; Personality PROMs; PERSONALITY; RADIO CHANNEL ASSIGNMENTS
INSTALLATION LBI-39076B 15 The location of the Application Software and Personality PROMs on the PROM card is shown in Figure7. When replacing PROMs, be sure to get each new PROMin the correct location and the notched end facing the rightdirection. Be especially careful of location numbers 01 and02 ...
Page 16 - Main Board; NOTE; Revision-A Main boards; CAUTION
LBI-39076B INSTALLATION 16 You may use some other method. However, using the method described here assures that the supplied cables willbe the correct length and the PCM/Data Bus will be as shortas possible. (The PCM/Data Bus must not exceed 120 feetin length). 5. GTI SOFTWARE The 5th step to instal...
Page 17 - Revision-D or E Main boards; Processor Board; Interface Board
INSTALLATION LBI-39076B 17 Revision-D or E Main boards Revision-D or E Main boards require version 2.xor higher GTI 552 and GTI DSP software. Donot use version 1.x GTI 552 or GTI DSPsoftware with revision-D or E Main boards. NOTE For revision-D or E Main boards, the GTI 552 software is stored in U50...
Page 18 - Revision-A Main Board; TELEPHONE
LBI-39076B INSTALLATION 18 6. GTI TELEPHONE INTERFACE The 6th step to install the ELI option is to configure each GTI telephone interface to match the type of telephonecircuit to be connected to it. The first Main boards,identified by the manufacturer’s number 702-9588A, areconfigured differently th...
Page 19 - Figure 19 shows the GTI telephone interface configured
INSTALLATION LBI-39076B 19 End-to-End, Loop Start Ring Det. Loop Current Det. Trans- former Hybrid Send Rec Ring Tip K2 4 5 6 7 8 3 2 1 K3 JP3-B JP2-B JP15-A JP14-A JP8-A JP9-B JP13-A Audio Audio Figure 19 - End-to-End Loop Start (Rev A Main Board) Figure 19 shows the GTI telephone interface configu...
Page 20 - INTERFACE
LBI-39076B INSTALLATION 20 Table 3 - Configurations by Interface Characteristic (Rev A Main Board) INTERFACE JUMPER POSITIONS FOR JP1 THROUGH JP15 FUSES CHARACTERISTIC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 F2 F3 Audio Circuit 2-Wire B B A A 4-Wire A+C A+C B B Signaling Loop Start A B A Ground Start B ...
Page 22 - Revision-D or E Main Board; GTI DIP SWITCH SETTINGS
LBI-39076B INSTALLATION 22 Revision-D or E Main Board The revision-D or E Main boards contain two jumpers (JP3 and JP4) and a matrix card connector (J5) to configurethe telephone interface. Set the jumpers and insert theMatrix card to match the type of telephone line to beconnected to it. Figure 24 ...
Page 23 - GTI INTERFACE BOARD MOUNTING
INSTALLATION LBI-39076B 23 Table 5 - Defined DIP Switch Settings for GTI Units 1 2 3 4 5 6 7 8 DIP SWITCH # 1 0 0 0 0 0 X X0 1 0 0 0 0 X X1 1 0 0 0 0 X X 0 0 1 0 0 0 X X1 0 1 0 0 0 X X0 1 1 0 0 0 X X 1 1 1 0 0 0 X X0 0 0 1 0 0 X X1 0 0 1 0 0 X X 0 1 0 1 0 0 X X1 1 0 1 0 0 X X0 0 1 1 0 0 X X 1 0 1 1 ...
Page 24 - Company
LBI-39076B INSTALLATION 24 9. GTI & IAM MOUNTING The 9th step to install the ELI option, is to mount the standard GTI units, the Master GTI, and optional IAM (ifsupplied). Be sure that the following items have beencompleted before mounting: • Recorded all software version numbers • Installed GTI...
Page 25 - MASTR III Power Supply/Audio; MASTR II or IIe Power Supply/Audio
INSTALLATION LBI-39076B 25 MASTR III Power Supply/Audio If the GTI unit is to be connected to a MASTR III repeater channel, connect a 19B803830P1 cable from themale 1x6-pin Molex connector on the back of the GTI(marked "POWER/AUDIO") to P4 on the MASTR IIIrepeater T/R Shelf backplane, and to...
Page 26 - Site Controller Computer
LBI-39076B INSTALLATION 26 24-pin connector on one end, and a standard 24-pinconnector on the other. To install the data bus cables, connect the IAM unit (if present) first, then the Master GTI unit, and finally thestandard GTI units (from the lowest channel to the highestchannel). Plug the standard...
Page 27 - Power Supply; Pin
INSTALLATION LBI-39076B 27 2#56022 601-0537 (C) ZETRON INC. U23 IAM V1.2 Software Version # Circuit Symbol Figure 35 - IAM Software Label 12. IAM CONNECTIONS The 12th step needed to install the ELI option applies only if an IAM was supplied. All connections to the IAMare made to connectors on the re...
Page 28 - IAM DIP SWITCH SETTINGS; GETC MODIFICATION
LBI-39076B INSTALLATION 28 be selected using DIP switch sections 2 through 4. Theserial printer port can be turned off and on using DIP switchsection 5. The proper handshaking protocol for your printercan be selected using DIP switch section 6. The IAM canuse both hardware and software handshaking, ...
Page 29 - CONFIGURATION; Operation without System Manager
CONFIGURATION LBI-39076B 29 CONFIGURATION OVERVIEW The user configurable parameters for the ELI option reside in two locations: the Site Controller computer’sdatabase and the GTI units’ database. The configuration ofthese two databases is covered in this section. SITE CONTROLLER DATABASE The overall...
Page 30 - Similarly, other interconnect timing parameters may; Operation with System Manager; If the Site Controller computer is connected to a System; General Limits for Site; Application Software.
LBI-39076B CONFIGURATION 30 Similarly, other interconnect timing parameters may need upward adjustment. In addition to the dial tone detectduration, the following parameters may require changes:pulse digit delay base, pulse digit delay increment, DTMFdigit delay, DTMF digit detect duration, and line...
Page 31 - Who Can Receive Calls
CONFIGURATION LBI-39076B 31 • Line Active - This column of parameters defines (forthe site) if a line is available for interconnect calls.Default is no (N) for all lines. Enter Y for yes, or leaveN for no. Note that a line number gets its number fromthe radio channel number that shares the same GTIU...
Page 32 - Who Has What Priority
LBI-39076B CONFIGURATION 32 Who Has What Priority • Interconnect - This 1-digit field defines (for eachlogical unit ID) which of eight queuing priority levels(from 0 to 7) is to be applied to this specific logical unitID for interconnect calls. Default is the lowest priority(0). Logical Unit Definit...
Page 33 - Who Has What Dedicated Line; RECOMMENDATION; Local Data Link
CONFIGURATION LBI-39076B 33 Who Has What Dedicated Line • Dedicated Line - This 3-digit field defines (for eachlogical unit ID) the line number to be dedicated tooutgoing interconnect calls. Default is line 1. Enter aline number, or 0 for denial. It is recommended thatyou enter 0 for denial, and use...
Page 34 - Figure 41 - Local GTI Connection for 9-Pin COM Port; Remote Data Link; A remote data link using data modems will be required; External Modem - Use an external modem at the GTI; For additional information about using a remote data
LBI-39076B CONFIGURATION 34 GTI Unit Office PC 1 1 2 2 3 3 DB-9 (F) Gnd Tx Data Rx Data DB-9 (M) Signal Ground Rx Data Tx Data COM Port Cable 19D903985P72 4 5 6 7 8 9 DTR CTS RTS 4 5 6 7 8 9 DTR RTS CTS DB-9 (F) DB-9 (M) J3 Figure 41 - Local GTI Connection for 9-Pin COM Port GTI Unit Office PC 1 2 2...
Page 35 - OPERATION; GTI UNITS
OPERATION LBI-39076B 35 OPERATION GTI UNITS The location of the indicators and reset button on the front panel of each GTI unit (including the Master GTI) isshown in Figure 43. REPEATER TELEPHONE GLOBAL TELEPHONE INTERCONNECT RESET POWER STATUS LINE CONNECTED DTMF DETECTED MODEM IN USE RADIO CONNECT...
Page 37 - Backup; INTERCONNECT CALLS; Overview
OPERATION LBI-39076B 37 Backup The IAM has the capacity to hold 60,000 records in battery backed RAM. Every effort has been made to ensurethat this memory won’t be corrupted in normal operation.However, one must not forget about the possibly ofcomponent failure in the IAM, or more likely an external...
Page 38 - Telephone-Originated Call
LBI-39076B OPERATION 38 • Radio-originated call - a call from a radio using anEDACS repeater site, through a telephone lineconnected to that EDACS repeater site, to atelephone. • Line-connected GTI - the GTI unit connected to thetelephone line for the interconnect call beingdescribed. • Channel-conn...
Page 40 - Radio-Originated Call
LBI-39076B OPERATION 40 PCM Data Bus (completing the audio path between thecalling telephone and the called radio(s)). 28. The Site Controller directs the line-connected GTI to look for DTMF digits. ENDING THE CALL 29. To end the telephone interconnect call, the caller presses the # key on the DTMF ...
Page 43 - MAINTENANCE; GTI REMOVAL; MASTR II or IIe Repeaters; Back Panel of GTI; Plug; MASTR III Repeaters
MAINTENANCE LBI-39076B 43 MAINTENANCE GTI REMOVAL When you are about to remove a GTI from an EDACS Repeater cabinet in a working system, you must take specialcare to avoid disrupting the system. There are tworecommended procedures: one procedure for when the GTIis connected to a MASTR II or IIe EDAC...
Page 45 - Table 8 - Software Compatibility by Main Board Revision Number; Plan A - All at One Time; Plan A is to take the ELI system completely out of
MAINTENANCE LBI-39076B 45 Table 8 - Software Compatibility by Main Board Revision Number ELI EQUIPM- ENT CIRCUIT BOARD SOFTWARE PACKAGE SOFTWARE VERSION REQUIRED FOR MAIN BOARD REVISION NUMBER Revision A Revision D Revision E GTI Unit Main Board GTI DSP V1.00 V2.01 or V2.03 V2.01 or V2.03 Main Board...
Page 46 - Repeat for each GTI unit.; Plan B - Half at a Time; Plan B is to briefly take the ELI system completely out
LBI-39076B MAINTENANCE 46 • Replace the GTI Master software on the GTIInterface Board with V1.04 GTI Master software. • Re-attach the top cover, and re-install in cabinet(don’t forget to fasten rear supports). • Re-connect the Power/Audio plug, Phone plug,PCM Data Bus plugs, and two Site Controller ...
Page 47 - Repeat for each GTI unit in the first group.
MAINTENANCE LBI-39076B 47 4. Each GTI in 1st Group (Modify 1st Group): • (MASTR II & IIe applications only) - Add ajumper between pins 2 and 3 of the Power/Audioplug on the back panel of the GTI (see Figure 45). • Disconnect the Power/Audio plug (you will need apair of pliers to pull the plug ou...
Page 48 - Complete the regular GTI units in the order you get to; Plan C - One at a Time; Plan C is to take the ELI system completely out of
LBI-39076B MAINTENANCE 48 9. System Manager (Enable all but 2nd Group): • Using System Manager screen 10, panel 1:4,reconfigure the “Interconnect” field to “Y” for theradio channels connected to the Master GTI unitand each GTI unit in the first group. • Using System Manager screen 14, reconfigure th...
Page 50 - IAM Unit; If you have a new version of GTI IAM software to
LBI-39076B MAINTENANCE 50 If the ELI system experiences problems due to thetemporary disconnections, you will have to disablethe ELI system through the System Manager foreach temporary disconnection. • (MASTR II & IIe applications only) - Remove thejumper between pins 2 and 3 of the Power/Audiop...
Page 51 - TROUBLESHOOTING; SYMPTOM
MAINTENANCE LBI-39076B 51 TROUBLESHOOTING The hardware used in the ELI system is extremely reliable, making component failure the unlikely cause ofmost problems. The most common causes of problems areas follows: 1. Site Controller Computer - The Site Controller may have a version of the Application ...
Page 53 - Check GTI database configuration.
TROUBLESHOOTING LBI-39076B 53 Table 9 (Cont.) - Troubleshooting Symptoms SYMPTOM POSSIBLE CAUSE(S) CORRECTIVE ACTION All telephone-originated interconnectcalls are unanswered on all lines. Site Controller computer not connectedto the Master GTI. Check 19B803826P1 and P2 data cableconnections. Jumper...
Page 55 - in both directions one audio pair for each direction.
GLOSSARY LBI-39076B 55 GLOSSARY 2-Wire Audio Line....................................................... A 2-Wire audio line uses a single audio pair for passing audio signals in both directions. 4-Wire Audio Line....................................................... A 4-Wire audio line uses separa...
Page 56 - GLOSSARY; referred to as a telephone-originated call.
LBI-39076B GLOSSARY 56 GLOSSARY (CONT.) Ground-Start Signaling ................................................Ground-Start signaling is used to send the local off-hook and on-hook signals to the public telephone network. Off-hook is detected by thepresence of a DC loop current between one of the tw...
Page 57 - SYMBOL
GLOSSARY / PARTS LIST LBI-39076B 57 GLOSSARY (CONT.) Radio-Originated Call .................................................. A telephone interconnect call from a radio to a telephone. Site Controller Database .............................................. The Site Controller Database is the specifi...
