Simoco SRM9030 Manuel d'utilisateur Page 1

MRMap Development Team 14/01/2009 MRMap - www.mrmap.org.uk MRMap-GPS-Tracking-Communications-Safety-Mountain Rescue-Mapping-Downloads-Free So

5 Radio Mobile software is a copyright of Roger Coudé VE2DBE. Radio Mobile is dedicated to amateur radio and humanitarian use. Although commercial us

6 First Steps - The Simple Approach to Rebroadcasting. The following information is based upon documentation published on the TMC Radio website and

7 The various radio configurations used to form rebroadcast devices are taken from information provided by TMC Radio Pty Ltd in Australia. They are t

8 Cross-Linked Cable (Part Number : 9503-000-00018) The cross-linked cable simply swaps the Tx/Rx Data lines (enabling the two Transceivers to

9 The current sinking capacity of pin 8 is around 130mA so the combined current re-quired to switch any external devices, should not exceed this. Thi

10 The TMC Radio ‘Simple’ Repeater This is the simplest form of rebroadcast/repeater possible using Simoco SRM9005 radios. Normally no speaker

11 TWC 147.350 MHz If the currently designated VHF rebroadcast channel of 147.350 MHz is to be used instead of a low band channel, then the risk of

12 Very roughly the Diplexer works as follows; In order that the in-band radios can operate side by side without de-sensing each other, a device cal

13 A simple rebroadcast device capable of operating on your own Team Working Channel and a few others near to you would be built like this. This is t

14 The TMC Radio ‘Simplest’ Repeater This is probably the method that most teams initially looked at and the one several teams now use. It works fin

MRMap Development Team 14/01/2009 As a result of a meeting held at Keswick MRT HQ on 6th September 2005, this document has been produced in orde

15 The TMC Radio “Simple Repeater” The full, in-vehicle, configuration. The ‘Practical “Simple” Repeater’ is probably the easiest to set up and get

16 Test Rig Rebroadcast Device Possibly one of the easiest ways of set-ting up a rebroadcast unit for testing, is to mount the component parts onto a

17 A Transportable Rebroadcast Device. The board-mounted version shown on the previous page can be more securely mounted and used in exactly this fo

18 The TMC Radio ‘Standard’ Repeater This is where things get a little more complicated As already mentioned, the problem with the previous version i

19 The TMC Radio “Standard” Repeater. The ‘Practical “Standard” Repeater’ is designed to provide the missing socket needed for the fitting of a c

20 For all versions of the rebroadcast device, the ‘Minimum Speech’ setting must be 15. Leaving it at ‘0’ will result in no transmitted audio from y

21 For portable, out-door use, Bowland Pennine MRT have encased the whole rebroadcast unit in a Peli-box. Shown here with the internal top-plate remo

22 The current best option for display capabilities and easy of reading, is the 9030 control head. Also a control head option, the 9022. This incor

23 A recommended improvement providing a more elegant solution to the problem. Here, the suggestions again get a little more complex and the ability

24 The Modified TMC Radio “Standard” Repeater. From work carried out by Alan Prescott at Keswick MRT, it’s been discovered that the repeater functi

MRMap Development Team 14/01/2009 Introduction:- The concept of re-broadcasting:- The devices to be described are intended to act as two-way

25 Programming for the Modified TMC Radio Repeater The output pin DB15-8 is programmed to go High when button ‘F3’ is pressed. Alongside this button

26 Manually Switched Rebroadcast Mode Probably the easiest and most efficient method of implementing vehicle comms and rebroadcast from a pair of S

27 The Modified TMC Radio “Standard” Repeater , alternative suggestions. - The MA-ASIG Board As the repeater function is now being provi

28 Although a much easier solution, the previous example was still complicated by the fact that the diplexer needs to be present to keep the frequenc

29 The Modified TMC Radio “Standard” Repeater, alternative suggestions. - The Low Band Uplink It’s clear how much simpler the low-band upli

30 Extending the Capabilities of the Standard Repeater. At this point there are hopefully enough options for you to select one you think will suit t

31 Additional Variations Applicable to Most of the Devices shown so far. - Selcall Control Setting up selcall (Selective Calling) is a topic in

32 Dave Binks at Duddon & Furness has designed and adopted a system where both radios can be independently used on all channels and a significant

33 THE DUDDON AND FURNESS MOUNTAIN RESCUE TEAM REBROADCAST SETUP Intro Rebroadcasting to most radios officers was a challenge, but to the average te

34 Base As described previously it is envisaged that base has overall control over selecting which repeater is required, changing them as required b

MRMap Development Team 14/01/2009 The General Principles of Rebroadcasting As you will see in the following pages, re-broadcast is not a lot d

35 Technical Details Two independent radios When not in repeater mode you have 2 independent radios that can be used on all the SAR frequencies via t

36 A Remote Channel-Changing Fixed Repeater System designed To Remove The Need For Leased Telephone Land-Lines. A number of teams in the Lakes use r

37 The primary radio setup for the team Base The base operator’s 9030 control head. This would be mounted in the control/radio room as required A low

38 The Main Programming Configuration. A single frequency (here 86.3125MHz) is programmed repeatedly into the Base radio. Each occurrence of the freq

39 Options that could be used at Base A DMap board would allow external devices to be added to the base radio. GPS Automatic vehicle location. A desk

40 The Equipment At The Remote Radio Site. Two Simoco SRM9005 Radios, No Control Head Low band SRM9005, no control head. This radio receives the se

41 Moffatt MRT’s Suggested Rebro System: The following suggestion came from James Coles of Moffatt MRT and has considerable merit for it’s stated p

42 Base transmits on the TWC but monitors 147.350MHz on Receive only either by scanning or by using a second receiver The hill-party transmit and rec

43 James’ system is interesting from the point of view that in Scotland, they’ve not used low band and never did have as many channels as we in the L

44 An alternative approach to rebroadcast systems in team vehicles This method uses the additional facility terminals available on the main power co

MRMap Development Team 14/01/2009 What re-broadcast does is to fill in the gaps on those occasions when the main system struggles to cope. You w

45 Normally associated with power and loudspeaker connections, the 15 pin D connector can also provide audio in and out plus two programmable pins, o

46 Pin 7 8 14 15 TWC Pin 8 7 15 14 Rebro Tx/Rx Tx/Rx AUDIO AUDIO Pin 3 to Pin 4 Ignition Sense Pin 3 to Pin 4 Ignition Sense The connections

47 The picture on the left shows the whole rebroadcast setup with the lid off. The radios are standard SRM9005s but are fitted into a TSF2000, 1U, ca

48 The completed demonstration repeater/rebroadcast unit. This is a multiple use version of the device and is unlikely to actually be built like thi

49 The switch marked ‘Rebroadcast On’ supplies power to the secondary radio so turning the device into a rebroadcast unit or repeater if a suitable c

50 If the normal style of case is used then accessory boards can be fitted. As the repeater/rebroadcast function is now handled by the facility conn

51 The rebroadcast version of this setup has been tested using CTCSS on both receive and transmit for all radios. Voice and GPS data both passed thro

52 Radio A Programmed Rx only on 155.350 Radio B Programmed Tx only on 147.475 Base Tx on 155.350 and Rx on 147.475 Hill-Party Tx on 155.350 and Rx

53 That’s basically as far as the current design section goes. We haven’t covered everything that can be done and we probably never will but hopefull

54 A Swift Summary A number of the circuits shown in this document are not really practical for reasons explained on that page, however, they would

1 Direct communications from the base, May not be possible with the party on the opposite side of the hill. The signal from base will just pass over

55 Notes and things to be aware of:- 1...The alternative front panel supplied with the DMAP board and carrying the 25 pin ‘D’ connector, does not nee

56 6...There is also room in Roger’s box, to fit one of the suggested Maplin or CPC relay ‘cards’. These are usually negative voltage trigge

57 11...A mast of some sort used to augment the existing roof height of the vehicles does provide a very significant increase in the performance of t

58 12...Although there have been no instances reported of this happening, a problem that can occur with repeaters built along these lines is that bot

59 getting through the system altogether. It will also, fairly obviously, result in the received data being heard in all it’s glory by the vehicle ra

60 Programming Interface for the PRM80 and SRM9000 series Radios. For those who want to wire up their own

61 Programming lead for the Simoco SRP8000 and SRP9000 series hand portable radios

62 General information regarding this document:- ‘Simple’ and modified ‘Standard’ repeaters. PRM80 repeaters (See ‘Notes’) Remote channel-changing f

MRMap Development Team 10/01/2009 MRMap - www.mrmap.org.uk MRMap-GPS-Tracking-Communications-Safety-Mountain Rescue-Mapping-Downloads-Free Softw

MRMap Development Team 10/01/2009 Normally associated with power and loudspeaker connections, the 15 pin D connector can also provide audio in and

2 You could park a vehicle as high as you can get it but this is bad for relations with the neighbours and bad for the level of interference you will

MRMap Development Team 10/01/2009 TWC Channel Radio Pin 3 to Pin 4 Ignition Sense Pin 3 to Pin 4 Ignition Sense Rebro Channel Radio The connections

MRMap Development Team 10/01/2009 The image on the left shows the whole rebroadcast setup with the lid off. The radios are standard SRM9005s but

MRMap Development Team 10/01/2009 Programming the Radios. The Portable Handset: Although it’s assumed that a Simoco SRP9100 is going to be used

MRMap Development Team 10/01/2009 This is my own radio so as you would expect, the MRMap data addresses are for my own callsign. Here you would su

MRMap Development Team 10/01/2009 The Base Radio Programming the base is essentially the same as for the portable radios. The Data Ad-dresses ar

MRMap Development Team 10/01/2009 Programming the Rebroadcast Radios. This is where all the work was involved and where all the mistakes were ma

MRMap Development Team 10/01/2009 Of critical importance are the ‘Data Volume’ which must be set at 15 and the selection of ‘Telemetry Output’

MRMap Development Team 10/01/2009 Next to be programmed is the Input/Output values which are shown below. Don’t be tempted to use ‘Va

MRMap Development Team 10/01/2009 Programming of the TWC side of the rebroadcast unit is the same for the 147.35MHz radio but for the actual freque

MRMap Development Team 10/01/2009 This is the page on which, again, a number of mistakes were made in earlier attempts at this. The radios are prog

3 Using the re-broadcast device, the base changes to channel 96 (147.350 MHz). It both transmits and receives on this channel. At the vehicle, the si

MRMap Development Team 10/01/2009 Summary: The system described here has been run at full power around the Kendal area. I have an antenna at both

MRMap Development Team 10/01/2009 Appendices Remote Channel Changing in cross-band rebroadcast systems: The basic rebroadcast functions are now

MRMap Development Team 10/01/2009 What to watch out for and what didn’t work:- When programming a rebroadcaster for remote channel changing, the

MRMap Development Team 10/01/2009 One where I’ve so far failed miserably is putting a single selcall tone onto the end of the transmis-sion made by

4 Optimum Position Planning. It’s possible with a little work, to pre-plan suitable locations for known radio black-spots. The free, on-line coverag