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RFDATATECH SRT150R, Manual

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RFDATATECH SRT150R Manual Download Page 11

Revision B 24/04/03 

Page 11 of 18 

3.8  

DIMENSIONS 

 

 

 

 
3.9  

MOUNTING 

The SRT is designed for DIN rail mounting to a standard DIN rail or to a short clip 
bracket.  Alternatively, we have a non-clip bracket, that is inserted into the DIN rail 
slot and the bracket is screwed to the wall/flat plate with the module attached. Once 
fixed the unit be removed without unscrewing the bracket. 
 

 

SRT  RX.

RS232

ANTENNA

R. F. Technologies Ltd.

SYS

BUSY

DAT

RXD

TXD

DCD

RTS

DTR

Summary of Contents for SRT150R

Page 1: ...Revision B 24 04 03 Page 1 of 18 SRT PAGING DATA RECEIVER MANUAL Covering the following SRT150R SRT280R SRT320R SRT450R SRT950R...

Page 2: ...RAL 2 2 RECEIVER 2 3 SERIAL INTERFACE 2 4 AUDIO MODE 2 5 EXTERNAL DIGITAL MODE 2 6 DATA MODE 2 7 POCSAG PAGING MODE 2 7 1 PROGRAMMABLE ADDRESSING 2 7 2 PROGRAMMABLE TEXT OPTIONS 2 8 ACCESSORIES 3 0 OP...

Page 3: ...CSAG SOT MODE 4 5 6 POCSAG EOT CHARACTER POCSAG EOT MODE 4 5 7 SUPPRESS POCSAG NULLS 4 7 8 DIGITAL OUTPUT MESSAGES 4 6 DATA RECEIVER MENU 4 6 1 RADIO BAUD RATE 4 6 2 RADIO DATA BITS 4 6 3 RADIO PARITY...

Page 4: ...T The SRT receivers have a programmable RS232 port that may be programmed for for 1200 2400 4800 or 9600bps with various data and stop bits 1 4 PROGRAMMING The SRT Series can be programmed directly fr...

Page 5: ...will stay awake After the carrier drops out the receiver will stay awake until the programmed resume time elapses Once the resume time has elapsed the transceiver will go back into sleep mode The save...

Page 6: ...48mm D Weight 280gms Connectors Interface 15way condensed D Antenna BNC Approvals Will Meet current UK European USA Canadian and Australian specifications 2 2 RECEIVER Frequency Range SRT150R 138 175...

Page 7: ...Programmable 1 or 2 2 3 AUDIO MODE Audio Output Flat 150mV peak peak Frequency Response DC 3KHz 12 5KHz Channel DC 4 5KHz 25KHz Channel 2 5 EXTERNAL DIGITAL MODE Programmable Data Rates 150 4800bps 2...

Page 8: ...te Insert End of text character None or 1 End of text ch mode Keep Delete Insert Suppression of nulls On or Off 2 8 ACCESSORIES Antennas Rubber helical wave whip antenna Power supplies 110 240AC to 12...

Page 9: ...d must be used When using a 5V power source ensure that the supply is well regulated and within the limits 4 75 to 5 25V A 12V supply need not be regulated and may lie in the range 9V to 15V 3 3 RS232...

Page 10: ...ication of the received signal strength the DC signal varies in proportion to the logarithmic value of the signal strength over the range 0 5VDC Its level is not calibrated and its value cannot be gua...

Page 11: ...ail or to a short clip bracket Alternatively we have a non clip bracket that is inserted into the DIN rail slot and the bracket is screwed to the wall flat plate with the module attached Once fixed th...

Page 12: ...amme is produced for a radio it may be stored and retrieved from disc by using the SAVE TO DISC and LOAD FROM DISC options 4 2 1 PROGRAMMING READING RADIO The radio data can be read using the Read Rad...

Page 13: ...ultiplied up to give the operating frequency show preference to 6 25kHz 4 4 4 SLEEP MODE Sleep mode can be turned on or off if sleep mode is enabled the processor and peripheral circuits are shut off...

Page 14: ...solated relay contacts but open drain mosfet outputs referenced to ground they are rated at 30V maximum switching voltage and 100mA current Switching of inductive loads should be avoided 4 5 3 PAGER T...

Page 15: ...ld be ascii 0 or ascii 1 hex 30 or hex 31 to address output 0 or 1 respectively the second character determines the output action as tabulated below Note that the outputs are open collector where the...

Page 16: ...FOR 280ms 5D 1 0 1 1 1 0 1 ON FOR 290ms 5E 1 0 1 1 1 1 0 ON FOR 300ms 5F 1 0 1 1 1 1 1 ON FOR 310ms 60 1 1 0 0 0 0 0 ON FOR 0s DO NOT USE 61 1 1 0 0 0 0 1 ON FOR 1s 62 1 1 0 0 0 1 0 ON FOR 2s 63 1 1 0...

Page 17: ...tain the required throughput lower speeds will give better results in poor signal conditions 4 6 2 RADIO DATA BITS Selects either 7 or 8 bits 4 6 3 RADIO PARITY Selects none even or odd 4 6 4 RADIO ST...

Page 18: ...7 1 CARRIER MUTE This function allows the carrier mute to be enabled or disabled 4 8 EXTERNAL DIGITAL RECEIVER MENU 4 8 1 RADIO BAUD RATE The Data baud rate can be set between 150 4800bps 4 8 2 RX SIG...

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