Summary of Contents for CES RM-20
- Page 1 Model RM-20 Repeater Maker plus CES Wireless Technologies Corp. 925-122 South Semoran Blvd., Winter Park, FL 32792 (407) 679-9440 support@ceswireless.com www.ceswireless.com MAN79 Version 1.2 Updated 31-Jan-10 Printed in USA...
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Page 2: Table Of Contents
3.2 P ............................14 ROGRAMMING ABLE UMMARY 4.2 CTCSS T ................................19 ABLE 4.3 M ................................19 ORSE ABLE 4.0 USER CODE CHART................................20 5.0 CIRCUIT DIAGRAM................................21 6.0 AMENDMENTS..................................22 CES SUPPORT 407-679-9440 Page 2 MAN79 © CES 2009... -
Page 3: Introduction
CES. CES will return the repaired or replaced equipment to purchaser, within the United States. This warranty applies to the original purchaser of the equipment only. CES is not liable under this warranty, or any implied warranty, for loss of use or for other consequential loss or damage experienced by the purchaser. Some states do not permit the exclusion or limitation of implied warranties or consequential damages. - Page 4 Please consult the amendment section for changes. When you call CES for support, you will be asked for the version number of this manual. A manual is shipped free with each RM-20. If you do not have a manual, we are unable to provide telephone support. Manuals can be ordered from the CES Sales Department.
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Page 5: Specifications & Features
TX Audio Normally connected to microphone audio, level adjustable. Required only if RX Audio input is connected to squelched audio. Interconnect Interface Connections: PTT, RX Audio, Ground, TX Audio, COR and 12V CES SUPPORT 407-679-9440 Page 5 MAN79 © CES 2009... -
Page 6: General Description
CES model RM-20 Repeater Maker plus. The CES RM-20 is an advanced low cost, compact microprocessor controlled repeater controller unit that can make a repeater out of just about any two transceivers. The standard features and versatility makes this an ideal choice for commercial, industrial or amateur use. -
Page 7: Installation Instructions
An optional connector J2 (DB-9 female) is provided for the connection of a telephone interconnect such as the CES model 4700VP. Figure 1 shows the rear panel of the RM-20. Table 1 shows functional information for each pin of the DB-15 male on the rear panel. Table 2 shows functional information on each of the interconnect pins of the (DB-9 female) connector. -
Page 8: Component Layout
Auxiliary relay, normally closed NO CONNECTION COR (Channel Busy) Input -35 to 35 volts, switch @ 2.5v, 47k pull up to 12v GROUND --------------- Ground 12 VOLTS Input Fused & reverse polarity protected CES SUPPORT 407-679-9440 Page 8 MAN79 © CES 2009... -
Page 9: Interconnect Interface Pinout
300 Hz high pass filter bypass CTCSS high pass filter 300 Hz high pass filter in 300 Hz high pass filter bypass Voice audio delay (optional) No audio voice installed Audio voice installed CES SUPPORT 407-679-9440 Page 9 MAN79 © CES 2009... -
Page 10: Radio And Auxiliary Relay Interface . J3- Db-15
Also, if it is intended for the RM-20 to decode CTCSS (Sub Audible Tone), then this input must be connected to the discriminator. Pin 8- Ground Connect this pin to the common ground on the radio. If external power supply is used, tie all the grounds together. CES SUPPORT 407-679-9440 Page 10 MAN79 © CES 2009... -
Page 11: Interconnect Interface J1- Db-9
Push to Talk Pin 2 RX Audio Pin 3 Interconnect mode Pin 4 Pin 5 Ground Pin 6 TX Audio Pin 7 TX Disable Pin 8 Pin 9 12 V DC CES SUPPORT 407-679-9440 Page 11 MAN79 © CES 2009... -
Page 12: Level Adjustments
If this level is difficult to obtain install or remove JP2 as follows: if not enough CTCSS signal is obtained with R25 at maximum, install JP2. If the adjustment is too sensitive, remove JP2 (factory default) and readjust. CES SUPPORT 407-679-9440 Page 12 MAN79 © CES 2009... -
Page 13: Programming Procedures
To assist the programming process, a number of confidence toned will heard. They are: Valid parameter beep One 1 KHz tone (e.g. 1#) Code accepted Five 1 KHz tones (e.g. 1#0#) Error beep Three 400 Hz tones (e.g. 80#) CES SUPPORT 407-679-9440 Page 13 MAN79 © CES 2009... -
Page 14: Programming Table Summary
1 or 0, (don’t forget to enter a # (pound ) key between commands and at the end of the entry sequence). 1#0# = internal 1#1# = external CES SUPPORT 407-679-9440 Page 14 MAN79 © CES 2009... - Page 15 To program this feature enter the command code followed by a 1 or 0, (don’t forget to enter a # (pound ) key between commands and the end of the entry sequence). 15#0# = disabled 15#1# = enabled CES SUPPORT 407-679-9440 Page 15 MAN79 © CES 2009...
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Page 16: I Nterconnect I
20 will ID when the timer (code 22#) has expired and every time COR goes inactive for 3 seconds. 21#0# = off 21#1# = timer 21#2# = COR inactive for 3 seconds 21#3# = timer and COR inactive for 3 sec. CES SUPPORT 407-679-9440 Page 16 MAN79 © CES 2009... - Page 17 0=Off 1 = CTCSS #1, 2 = CTCSS #2, 3 = CTCSS #3, 4 = CTCSS #4 Don’t forget to enter the # (pound) key between commands and the end of the entry sequence. 27#0# = Off 27#1# = Transmit CTCSS Transmit Tone 1 CES SUPPORT 407-679-9440 Page 17 MAN79 © CES 2009...
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Page 18: P Rogramming The
When in the program mode and this code ( 99# ) is entered, the RM-20 will immediately load the factory default values and any previous programmed parameters will be lost. Refer to programming table summary on this manual for factory default values. CES SUPPORT 407-679-9440 Page 18 MAN79 © CES 2009... -
Page 19: Ctcss Tone Table
131.8 233.6 136.5 241.8 141.3 250.3 146.2 254.1 151.4 4.3 Morse Code Table Char Code Char Code Char Code Char Code Char Code Ñ Ö CH,S Ä Á É Ü SPACE CES SUPPORT 407-679-9440 Page 19 MAN79 © CES 2009... -
Page 20: User Code Chart
TX disable input polarity 27 # COR only produces CTCSS 28 # Auxiliary relay code 29 # Morse code ID (call letters) 30 # Over the air programming code 99 # Program factory default CES SUPPORT 407-679-9440 Page 20 MAN79 © CES 2009... -
Page 21: Circuit Diagram
5.0 Circuit Diagram CES SUPPORT 407-679-9440 Page 21 MAN79 © CES 2009... -
Page 22: Amendments
6.0 Amendments Manual revised 01/31/10 5:26 PM CES SUPPORT 407-679-9440 Page 22 MAN79 © CES 2009...
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