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EDACS®CONVENTIONAL NETWORK INTERFACE (CNI)GETC CONFIGURATION MANUALTABLE OF CONTENTSSPECIFICATIONS* . . . . . . . . . . . . . . . . .

GETC Cable ModificationsUse the following procedures to modify and reconnectcables in the CNI GETC. Be sure to follow the correctprocedures. Instruc

2. Remove the contacts (4) from the header (P26) onthe harness 19C337792P1.3. Remove contacts from 19B802401P1, P6-8 andP6-9. This is the GETC Transm

This procedure provides instructions for programmingthe Turbo Board installed in the CNI GETC. Theinstallation process uses the software diskette 344

Figure 7 - CNI GETC (19D904266) Jumper LocationsFigure 8 - Turbo Board ProgrammingLBI-3898613

Table 2 - Jumper SettingsJumper setting for CNI GETC (19D904266 ONLY).JumperPositionWidebandCNIGETCNarrow bandCNIGETC FUNCTIONP11 1&2 1&2 Enab

1. Move switches S2 and S3 to the "run" position(toward the back of the GETC shelf).2. Press S4 to reset the GETC.3. The Turbo Board LEDs,

3. Following the instructions in TQ-3357, select the"GE" directory and execute the "GTC" command. After a brief introductory scre

REPEATER PERSONALITYIt may be necessary to reprogram the personality of theMASTR III or IIe repeater. Refer to TQ-3353 (Version 9.0or later). Select

Figure 12 - GETC Phone Line Level AdjustmentsLBI-3898618

Figure 13 - Sample CNI PersonalityLBI-3898619

TABLE OF CONTENTS - Cont.LED INDICATORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

CEC/IMC PERSONALITYCONFIGURATIONAt the System Manager (refer to LBI-38984), configurethe CNI groups as TRACKED. This enables the CEC/IMCto route only

2. Verify the CNI GETC LED’s indicate the Idle State(see Table 3), L1 is ON, L2 thru L7 are OFF. (IfNarrow Band repeater, L3 is also ON).3. Initiate

Apply an additional 1000 Hz tone at 0 dBm. Verify the output deviation of the transmitter is3.75 kHz • 100 Hz. If necessary, adjust POT 7,Compressor

4. Check CEC/IMC Switch Audio connections.• This refers to audio connections between theCEC/IMC Switch and the CNI GETC orRepeater. Refer to CEC/IMC

CEC/IMC Data signals:Data Rate 9600 baudTransmit level 0.77 VrmsReceive level 0.16 Vrms on J3A-32(U18A-1)Repeater Configurations:For Four Wire Tone R

Figure 14 - CNI Troubleshooting ChartTROUBLESHOOTING CHARTLBI-3898625

INTERCONNECT DIAGRAMFigure 15 - Typical CNI to Conventional Repeater InterfaceLBI-3898626

INTERCONNECT DIAGRAMMASTR III STATIONSIMPLIFIED INTERCONNECT DIAGRAMLBI-3898627

INTERCONNECTION DIAGRAMMASTR II, IIe STATIONSIMPLIFIED INTERCONNECT DIAGRAMLBI-3898628

INSTALLATION DIAGRAMCNI GETC SHELFMASTR III INSTALLATIONSXCP5T(19D902845, Sh. 30, Rev. 1)LBI-3898629

SCOPEThe Conventional Network Interface (CNI) provides thecommunication link between a conventional repeater(MASTR II, IIe, or III) and an Enhanced Di

INSTALLATION DIAGRAMCNI GETC SHELFMASTR II, IIe INSTALLATIONSTCP3Z(19D417483, Sh. 12, Rev. 27)When installing GETC Panel 19D901868,Mount GETC Panel ab

tion stored in the CNI GETC personality EEPROM. Whena conventional transmission is received, the GETC decodesthe analog Channel Guard tones and assoc

RELATED PUBLICATIONSIt may be necessary to consult one or more of thefollowing documents during the installation process. Thesemanuals will also prov

The CNI GETC also performs data error detection andcorrection, general control of timer and I/O functions (DIPswitch, LED’s, UART’s, etc.), receive an

EQUIPMENT REQUIREDThe following equipment and software may be requiredto modify and configure the CNI GETC:IBM compatible PC with at least 640K memory

Rockwell Modem InstallationThe Rockwell Modem provides a high speedsynchronous serial interface between the CNI GETC andthe CEC/IMC’s Uplink. The CN

2. Isolate the modem from the shelf by installing theeight (8) fiber washers (4035306P25, part ofHardware Kit 344A4019). Insert four (4) washersbetwe