Rockwell ROA 117 2247*1 Скачать руководство пользователя

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Ericsson Inc.
Private Radio Systems
Mountain View Road
Lynchburg, Virginia 24502
1-800-528-7711 (Outside USA, 804-528-7711)

Printed in U.S.A.

Содержание ROA 117 2247*1

Страница 1: ...RCUIT ANALYSIS 5 ROCKWELL MODEM ASSEMBLY RYTUA 92101 1 6 Data Encoding 6 Receive Level 6 Transmit Level 6 Receive Line Signal Detector RLSD 6 MODES OF OPERATION 6 HARDWARE CIRCUITS 8 POWER ON INITIALI...

Страница 2: ...IFICATION RS 232 INTERFACE CARD DIMENSIONS H x L 100 mm x 220 mm CONNECTIONS 96 pin DIN connector mating to VME backplane interface ROCKWELL MODEM INTERFACE CARD POWER 5 Vdc 5 1A max 12 Vdc 5 250mA ma...

Страница 3: ...cal position slot of the module when installed in the voter shelf will depend on variables such as number of channels number of sites and type of system Voted Simulcast and the presence of VDI Therefo...

Страница 4: ...perless interface to the Voter Digital Receivers and Selector The phone line interface circuits include line drivers and receivers and transformers The Rockwell modem interface circuits are used to in...

Страница 5: ...be carried by phone line The analog signal is buffered on the RMIC and applied via T2 to the phone line CIRCUIT ANALYSIS The Digital Receiver or Selector s General Purpose Trunking Card GPTC interfac...

Страница 6: ...l is measured at the receiver analog input RXA Transmit Level The transmitter output level is accurate to 1 0 dB and is set to approximately 1 dBm at the RM output TXA It is adjustable at the RMIC out...

Страница 7: ...4558 S1 5 thru S1 8 Gain Switch TXA TXD RXD B24 R 11 6 MTXD U2 3 11 13 12 B23 D U5 3 14 MRXD U2 0 3 2 1 To GPTC RS 232 RXD From GPTC RS 232 TXD RS 232 To TTL Converter Write Pulse Generator U3 and U1...

Страница 8: ...9 on the RMIC provide a POWER ON CLEAR POC signal to the RM The control word written to the RM by the WRITE pulse commands the RM to use the external clock and enables the 30 millisecond short echo pr...

Страница 9: ...ive Load pF 5 5 20 10 40 CD Capacitive Drive pF 100 100 100 100 100 Circuit Type TTL TTL w Pull up TTL w Pull up TTL Open Drain Open Drain w Pull up TTL 3 State Transceiver Open Drain w Pull up Notes...

Страница 10: ...tall jumper X6 on X4 pins 1 and 2 to add R1 and terminate receive data for 600 ohm telephone line default position q Install jumper X6 on X4 pins 2 and 3 to remove R1 from circuit RM RTS Control The j...

Страница 11: ...t slot positioning If difficulties are encountered check all DIP switch settings and verifying the correct positions of jumpers Use of the Troubleshooting Guide may be helpful in isolating RMIC proble...

Страница 12: ...for RS 232 Receive In Simulcast systems the RMIC connected to the Control Point GETC must receive signals via an RS 232 line and transmit signals through the RM RMICs ROA 117 2247 1 Rev R1 and R2 only...

Страница 13: ...ASSEMBLY DIAGRAM LBI 39152 13 ROCKWELL MODEM INTERFACE CARD ROA 117 2247 1 1 1078 ROA 117 2247 1 Sh 1 Rev A...

Страница 14: ...LBI 39152 ASSEMBLY DIAGRAM 14 RS 232 INTERFACE CARD ROA 117 2247 2 1 1078 ROA 117 2247 2 Sh 1 Rev A...

Страница 15: ...1 4w R33 REP 625 423 47 Ceramic chip 470 5 1 8w R34 REP 645 623 24 Ceramic chip 240 Ohm 1 1 4w SYMBOL PART NUMBER DESCRIPTION R35 REP 645 623 12 Ceramic chip 120 Ohm 1 1 4w R36 REP 645 623 12 Ceramic...

Страница 16: ...n of Rockwell Modem X1 and X2 changed from RNV 403 105 031 to RNV 403 843 031 RS 232 INTERFACE CARD 131 32 ROA 117 2247 2 Revision B SYMBOL PART NUMBER DESCRIPTION RESISTORS R43 REP 264 001 0 Resistor...

Страница 17: ...X X X H L H L from H to L U2 2 INPUT EXCLUSIVE OR GATE RYT 306 2019 C 74HC86 U3 MONOLITHIC TIMER RYT 108 6003 C TLC555ID 1 2 3 4 5 6 7 14 13 12 11 10 9 8 1A 1B 1Y 2A 2B 2Y GND Vcc 4B 4A 4Y 3B 3A 3Y 8...

Страница 18: ...ANDWIDTH OP AMP RYT 101 6164 1 4558 U5 MONOLITHIC TIMER RYT 109 6073 1 145406 15 2 R 16 1 14 3 D 13 4 R 12 5 D 11 6 R 10 7 D 9 8 GND DI3 DO3 DI2 DO2 DI1 DO1 VCC VSS Tx3 Rx3 Tx2 Rx2 Tx1 Rx1 VDD D Drive...

Страница 19: ...OUTLINE DIAGRAM LBI 39152 19 ROCKWELL MODEM AND RS 232 INTERFACE CARD ROA 117 2247 1 and ROA 117 2247 2 1078 ROA 117 2247 Sh 1 Rev B...

Страница 20: ...Ericsson Inc Private Radio Systems Mountain View Road Lynchburg Virginia 24502 1 800 528 7711 Outside USA 804 528 7711 Printed in U S A...

Страница 21: ...Shown Change to Show B24 R 13 4 MTXCLK B21 D U5 7 10 MCTS To GPTC RS 232 CTS From GPTC RS 232 TXCLK RS 232 To TTL Converter B22 MRTS From GPTC RS 232 RTS R 15 2 X3 X7 DD 3 2 V 1 B25 R 13 4 MTXCLK B21...

Страница 22: ...ROCKWELL MODEM AND RS 232 INTERFACE CARD ROA 117 2247 1 and ROA 117 2247 2 1911 ROA 117 2247 Sh 1 Rev C LBI 39152 SCHEMATIC DIAGRAM 21...

Страница 23: ...ROCKWELL MODEM AND RS 232 INTERFACE CARD ROA 117 2247 1 and ROA 117 2247 2 1911 ROA 117 2247 Sh 2 Rev C LBI 39152 SCHEMATIC DIAGRAM 22...