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UG-001 Daniels P25 Radio Systems
www.danelec.com

Chapter 6: Radio System Components

User

Guide

Channel Switching Range

Although the transmitter or receiver channels can be programmed for any frequency in its band, the
Maximum Switching Range of the module must not be exceeded or the module will require hardware
re-tuning. The maximum switching range of the modules are listed in the Technical Notes, and are
typically shown as +/- 1 MHz, +/- 2 MHz or Unlimited, based on the individual speciﬁ cations of the
module. For example, a VHF receiver may be programmed for any frequency between 136 to 174 MHz,
but the front end helical ﬁ lter has a typical pass band of 5 MHz, requiring re-tuning if two frequencies
are used that are outside of that pass band.

Antenna Relay Activation

The motherboard on the subrack contains a set of jumpers that are used to activate the optional antenna
relays in the System Monitor module. Figure 6-3 shows the location of these jumpers. The relays are
typically set with the PTT and PTT OUT signal lines activating the relays.

Figure 6-3: Subrack / Motherboard Rear View

C89

R84

C88

R83

R85

C86

C87

JU45
JU46
JU47
JU48
JU49
JU50
JU51
JU52
JU53
JU54
JU55
JU56
JU57
JU58
JU59
JU60
JU61
JU62
JU63
JU64
JU65
JU66
JU67
JU68

R97

JU70

C98

C102

R90

R94

R89

C99

R88

R91

C100

R86 R87

R93

R81

R80

R82

R92

C82 C83

R95

R96

CR35

CR38

JU73

C94

C95

C96

C101

C93

C80

C81

FIL2

FIL1

C92

JU71

A
B

CR36

U86

U81

U83

U84

U85

C103

R98

R99

R100

R101

R102

C97

JU79

JU78

BC807-25

5k11

10k0

100nF

10µF

10k0

100nF

22k6

10k0

100nF

220pF

MC33172

100k

10k0

MC14066BD

10k0

22µF

ICL232BE

MC14066BD

100R

604R

56R2

10k0

BAS16

MJD112

BC807-25

MBZ5233B

18K2

1K00

10µF 10µF

LP2951CM

4.7µF

10nF

100nF

1µF

100nF

1µF

100nF

274R

100nF

1R00

10R0

BYD17J

10k0

10nF

C85

1
2
3
4

OPEN

FUSE F1

CR1

CR2

SYSTEM

MONITOR

ALARM

MODULE

RFC2

C1C2C3

JU40 13.8 V

CR31

CR32

CR33

CR34

R15

R16

R17

R18

J68

TRZ1

TRZ2

RX B

JU44

JU43

J20

RX A AUDIO

JU1 RX A 9.5 V

JU36

JU37

JU38

JU39

TX B

CR11

CR12

CR13

CR14

CR15

CR16

CR17

CR18

JU9

JU10

JU11

JU12

JU3

JU4

JU5

JU6

JU13

JU14

JU15

JU16

JU18

JU19

JU20

JU21

CR23

CR24

CR25

CR26

R10

CR6

JU32

JU33

JU34

JU35

C10

RX A

TX A

CONTROL

MODULE

RFC1

CR3

CR4

CR5

CR7

CR8

CR9

CR10

CR19

CR20

CR21

CR22

JU24

JU25

JU26

JU27

JU42

JU41

JU28

JU29

JU30

JU31

J21

RX A AUDIO

JU 2 RX A 9.5 V

JU8

JU7

J67

J72

J73

U82

C84

J74

JU69

U80

C90

C91

CR27

CR28

CR29

CR30

R11

R12

R13

R14

JU72

CR37

JU81

JU80

B A

D B Z

1N6378

1N6375

MR751

100nF

10nF

1nF

100nF

10nF

REMOTE INTERFACE

100nF

10nF

1nF

100nF

10nF

100K

10mF

220µF

1mF

LM383

100µF

xxxxxx

JU17

J22

JU22

JU23

AMPL AUDIO

9.5 VDC IN / OUT

TX A RELAY

J57

J58

J59

J60

J61

J62

J63

J64

PTT
JU8

A B

WITH
TIME

OUT

TIME
OUT

J32

J33

J34

TX A SYNTH

J16 No.1

J17 No.2

J48

J66

J41

J42

J43

J44

J45

J46

J18

J19

ISO COR

J12

J13

TX BAL I/P

J10

J11

RX BAL O/P

J35

J36

J37

J38

J39

J40

RX B

RELAY

J21
RX A AUDIO

JU 2 RX A 9.5 V

PTT-
COR MON

RX MUTE-
COR MON

TX STANDBY

TYPE 84 MOTHERBOARD 50016-02

DANIELS ELECTRONICS LTD

MADE IN CANADA

COR-
COR MON

MIC PTT-
COR MON

SYNTH PROG

RXA
TXA
RXB
TXB

TX A SUBTONE

INPUT

RX A I/O

SPARE

TX B
AUDIO

CNTL

B
A

RX A

CHANNEL

SELECT

B
A

J29

J30

J31

RX A SYNTH

TX B
AUDIO

CNTL

J65

J69

J70

TX A MIC

TO TX B

TX A MIC

TO TX B

RX A

RELAY

MIC PTT A-
MUTE RX A

TX B

CHANNEL

SELECT

B
A

J26

J27

J28

TX B SYNTH

J16 No.1

J17 No.2

J47

TX B SUBTONE

INPUT

RX B I/O

SPARE

PTT
JU7

A B

WITH
TIME

OUT

TIME

OUT

TX A RELAY

J57

J58

J59

J60

J61

J62

J63

J64

J49

J50

J51

J52

J53

J54

J55

J56

TX B RELAY

RX B
CHANNEL SELECT

B
A

J23

J24

J25

RX B

SYNTH

RX B

RX A

TX B TX A

RX B

RX A

TX B

TX A

J75

PWR FAIL

J71

TX A

CHANNEL

SELECT

SW1

TP2

TP1

9.5 Vdc

REGULATED

POWER INPUT / OUTPUT

(NOT TYPICALLY USED)

POWER INPUT

+10 to +17 Vdc

+13.8 Vdc NOMINAL

POWER

SUPPLY

INPUT

15 AMP FAST

BLOW FUSE

(5604-5GAGC150)

AUXILIARY

CONNECTOR

B SIDE

CHANNEL SELECT JUMPERS

A SIDE

CHANNEL SELECT JUMPERS

CHANNEL SELECT

PULL-UP OR

EXTERNAL CONTROL

JUMPERS

ANTENNA RELAY

ACTIVATION

JUMPERS

CHANNEL SELECT

PULL-UP OR

EXTERNAL CONTROL

JUMPERS

REVERSE
VOLTAGE

DIODES

(2001-MR751000)

TRANSIENT SUPPRESSORS

(18 V = 2007-1N637800)
(10 V = 2007-1N637500)

Summary of Contents for P25

Page 1: ...Daniels P25 Radio Systems www danelec com User Guide ...

Page 2: ......

Page 3: ...UG 001 Daniels P25 Radio Systems www danelec com i User Guide Daniels P25 Radio Systems User Guide ...

Page 4: ...r Revisions The result of a major change to product function process or requirements Minor Revisions The result of a minor change to product process or requirements Editorial Revisions The result of typing corrections or changes in formatting grammar or wording 1 0 0 Three level revision numbers start at 1 0 0 for the ﬁrst release The appropriate element of the revision number is incremented by 1 ...

Page 5: ...Our products operate between 29 960 MHz and are available in a variety of Base Station and Repeater conﬁgurations for two way voice and mobile data applications Our self servicing customers range from Forestry and National Park services through Police and Fire departments and on to Utility and Transportation groups Our products have been deployed in every imaginable situation from the Antarctic to...

Page 6: ...l Notes section Daniels MT 4 and IFR 2975 Test Procedures TN950 Technical Note TN950 is an aid to conﬁguring and testing Daniels MT 4 radios using an IFR 2975 Service Monitor by Aeroﬂex TN950 is intended to be used with IFR 2975 Setup ﬁles that can be loaded into the Service Monitor TN950 and the Setup Files can be found online at www danelec com under the Library Technical Notes section and can a...

Page 7: ... P25 Radio System Conﬁgurations 13 Repeater Operation 13 Complex Repeater Operation 14 Repeater Operation with External Analog Wireline Control 15 Analog Controlled Base Station Operation 16 Fixed Station Ethernet Interface Operation Preliminary Information 18 Chapter 4 P25 System Block Diagrams 19 Repeater Block Diagram 20 Base Station Block Diagram 21 Chapter 5 Software 23 Connecting the PC to t...

Page 8: ...UG 001 Daniels P25 Radio Systems www danelec com vi User Guide This Page Intentionally Left Blank ...

Page 9: ... MT series of radios for mountain top repeaters and base station applications MT 2 The MT 2 series of radio modules were originally manufactured in the 1980 s This radio series was a crystal controlled analog radio system capable of wideband 25 KHz operation Although systems are still in operation throughout North America this series of radio modules was discontinued in the 1990 s and is no longer...

Page 10: ...TheMT 4RandMT 4Dmodulesarebasicallyidenticalinoperation with some advancements taking place in the RSS software programming for the MT 4D such as the ability to software program the squelch tail on off and timer The only signiﬁcant difference between the MT 4R and MT 4D is in the transmitter modules The MT 4R transmitter was not capable of being programmed for mixed mode operation Mixed mode is th...

Page 11: ...ity using analog audio paths The analog audio repeat path does not pass all digital information through the repeater such as NAC TGID encryption and data packets IDENTIFYING MT 4 MODEL NUMBERS Being able to identify the series of MT 4 P25 module that you have is critical for programming and understanding capabilities and operation of the equipment The model number of the P25 receiver or transmitte...

Page 12: ...4 Series R MT 4R D MT 4D E MT 4E Range Within Band VHF 150 150 136 174 MHz UHF 400 420 406 430 MHz 460 450 470 MHz Options 000 None Standard V T 4 D 160 B0 8 Bands V VHF U UHF Functional Capabilities 00 Repeater MT 4R only R0 Repeater B0 Base no encryption B1 Base DES OFB and AES encryption MT 4 P25 TRANSMITTERS EXAMPLE VT 4D160 B0 800 MT 4 VHF P25 Transmitter MT 4D series 150 174 MHz Base functio...

Page 13: ...le The ﬁrmware resides within the DSP and controller boards and is programmed at the Daniels factory The RSS programming software can read the ﬁrmware version number of MT 4D and MT 4E modules The RSS programming software for the MT 4R modules is not capable of reading the ﬁrmware version Software The Radio Service Software or RSS is used to program features and options The RSS programs RF frequen...

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Page 15: ...r to the Transmitter through RJ45 interconnection cables The interconnection cables carry Low Voltage Differential Signaling LVDS serial data as well as analog and digital COR and PTT signals The RJ45 interconnection cables are speciﬁc to Daniels Electronics equipment Do not use Ethernet or other manufacturers cables On the MT 4D Base modules the jacks are used to connect to a Motorola KVL3000 or ...

Page 16: ...that contains the same information as the Common Air Interface with some overhead data When a Daniels P25 Receiver receives an analog transmission the receiver produces a serial data stream of the analog information The incoming frequency and deviation is converted to serial data through an A D converter The transmitter uses this information to recreate the P25 digital or analog transmission DANIE...

Page 17: ...e signal as either FM or C4FM based on its input This allows the repeater to repeat both analog and P25 digital signals The MT 4R and earlier MT 4D modules mixed mode response times are slightly delayed compared to analog only mode or P25 digital only mode MT 4D modules with ﬁrmware version 2 0 or higher now have the same response times in mixed mode as in analog only mode or P25 digital only mode...

Page 18: ...e MT 4D Transmitter Repeater Version Description Notes 1 0 Initial Product Release 1 1 Transmit LED bug ﬁx LED was slow to light 1 2 Transmitter Lock Up bug ﬁxed Tx locks when keyed while powering up 2 0 Faster PTT Response Time Capable of passing data packet units intact OTAR etc 2 1 Bug ﬁx for hardware problem in new circuit board revision 2 2 Modiﬁcation to speed up CI RC 4M Response time MT 4D...

Page 19: ...ter transparently program the receiver with the special NAC code F7F This will allow any incoming NAC code to unsquelch the receiver and will overwrite the NAC code programmed into the transmitter with the incoming NAC code allowing transparent operation Status Symbols are not passed through the repeater transparently Status Symbols are changed by the repeater to indicate inbound channel status bu...

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Page 21: ... cables are analog COR PTT digital COR PTT and LVDS serial data The LVDS serial data is the digitized analog or P25 digital information that is passed through the repeater Analog audio is not passed through the RJ45 cables The cables connect to either the A or B ports on the front of the receiver and transmitter modules The A and B ports are identical the signals are in parallel The two ports allo...

Page 22: ... FUNCTION METER PTT 12 MADE IN CANADA DANIELS ELECTRONICS LTD FREQUENCY MHz xxx xxxx MADE IN CANADA P25 RECEIVER NORM SQ DISABLE OFF CNTL BUS A B A D RF N I MADE IN CANADA Model Code MADE IN CANADA DANIELS ELECTRONICS LTD P25 TRANSMITTER MADE IN CANADA Model Code xxx xxxx CNTL BUS A B MIC RF OUT A D ANALOG DIGITAL OFF KEY TX NORM MICMODE FREQUENCY MHz MADE IN CANADA DANIELS ELECTRONICS LTD FREQUEN...

Page 23: ...d disconnect the RJ45 cable repeat path The repeat path through the controller uses analog audio not serial data as the RJ45 cables use The analog audio repeat path is slower than the RJ45 path and does not pass all digital information through the repeater such as NAC TGID encryption and data packets This alternate conﬁguration of using analog audio as the repeat path will work with the MT 4R MT 4...

Page 24: ...e station with MT 4D Base modules The MT 4D Base modules must be used in the encryption mode conﬁguration as they are the only radio modules capable of having the optional encryption decryption modules installed in them Figure 3 4 Encryption Mode P25 Analog Controlled Base Station shown with Base modules P25 BASE CONTROL BNK CI BC 4E PULL DOWN TO REMOVE 5 9 13 RX A A B BNK 5 9 13 TX A A B TX A TX ...

Page 25: ...n conﬁguration may also be conﬁgured as a clear mode base station with repeat capability See Repeater Operation with External Analog Wireline Control for more information FREQUENCY MHz xxx xxxx MADE IN CANADA P25 RECEIVER NORM SQ DISABLE OFF CNTL BUS A B A D RF N I MADE IN CANADA Model Code MADE IN CANADA DANIELS ELECTRONICS LTD P25 TRANSMITTER MADE IN CANADA Model Code xxx xxxx CNTL BUS A B MIC R...

Page 26: ...sh to be compatible with our P25 base station Daniels is currently working with a number of manufacturers in support of this open interface This Ethernet interface allows digital signals such as NAC TGID Source ID to be passed through the network to and from web based applications and digital consoles The UIC ﬁrmware is ﬂash upgradeable Figure 3 6 Fixed Station P25 Digital Ethernet Interface FREQU...

Page 27: ...d mode repeater and base station systems Not all blocks of the receivers and transmitters are shown such as the receiver front end or transmitter ampliﬁer These blocks are shown to give a basic understanding of the signal ﬂow through a Daniels repeater or base station Although mixed mode systems are shown analog only or P25 digital only can be programmed in the receiver or transmitter ...

Page 28: ...peater Controller or CI RC 4M Multiple Link Controller and are sent to the transmitter as analog and digital PTT signals and LVDS serial data The transmitter will accept the incoming LVDS serial data and route it through the analog or P25 digital settings programmed into the transmitter Analog signal settings may include CTCSS or DCS encoding pre emphasis and wide or narrowband selection P25 digit...

Page 29: ...nd transmitter are typically set at 8 0 dBm for 60 of maximum modulation Independent audio level controls in the base controller allow the auxiliary input and output levels to be adjusted separately default is 0 dBm for 60 maximum modulation An optically isolated PTT input is routed through the base controller to the transmitter for keying The transmitter will accept the incoming analog audio and ...

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Page 31: ...en successfully tested for compatibility with Daniels RSS software Table 5 1 USB to Serial Adapter Compatibility Manufacturer Part No Access I O Products Inc USB 232 Sewell SW 1301 BAFO Technologies BF 810 ATEN Technology Inc UC232A BELKIN Corporation F5U109 GoldX Products Inc GXMU 1200 REPEATER CONTROL RX B TX B RX A TX A CI RC 4L PULL DOWN TO REMOVE FREQUENCY MHz xxx xxxx MADE IN CANADA P25 RECE...

Page 32: ... Transmitter series MT 4R MT 4D Repeater MT 4D Base the appropriate software version must be used to program the module RSS for MT 4R modules The MT 4R modules work with the program labeled RSS on your PC The RSS software disc is shown in Figure 5 2 Figure 5 2 RSS software disc The opening screen is shown in Figure 5 3 Figure 5 3 RSS Program Example ...

Page 33: ... Repeater Modules The MT 4D Repeater modules work with the program labeled RSS4D R on your PC The RSS software discs are shown in Figure 5 4 one of the two depending on the ship date Figure 5 4 RSS4D Repeater software discs The opening screen is shown in Figure 5 5 Figure 5 5 RSS4D R Program Example ...

Page 34: ... Guide RSS4D BASE for MT 4D Base Modules The MT 4D Base modules work with the program labeled RSS4D BASE on your PC The RSS software disc is shown in Figure 5 6 Figure 5 6 RSS4D Base software disc The opening screen is shown in Figure 5 7 Figure 5 7 RSS4D BASE Program Example ...

Page 35: ... com Chapter 5 Software 27 User Guide RSS Version Number The Version number of the RSS software can be found by clicking on Help About in the main title screen An example of this screen is shown in Figure 5 8 Figure 5 8 RSS Version Number Example ...

Page 36: ...AMMING The RSS programs the Receiver and Transmitter modules independently The programming cable must be connected to the module being programmed Figure 5 1 shows an example of this connection The MT 4D Repeater Receiver programming screen is shown in Figure 5 9 Figure 5 9 MT 4D Repeater Receiver Program Example ...

Page 37: ...01 Daniels P25 Radio Systems www danelec com Chapter 5 Software 29 User Guide The MT 4D Repeater Transmitter programming screen is shown in Figure 5 10 Figure 5 10 MT 4D Repeater Transmitter Program Example ...

Page 38: ... danelec com Chapter 5 Software 30 User Guide A View All screen can be opened to look at all of the programmed frequencies tones codes etc in one window The Transmitter View All screen is shown in Figure 5 11 Figure 5 11 View All Example ...

Page 39: ...s can be found by clicking on Receiver ID or Transmitter ID in the Receiver or Transmitter conﬁguration screen The Receiver ID screen is shown in Figure 5 12 Figure 5 12 Receiver ID Example Note The RSS program for MT 4R modules does not have the ﬁrmware version or user names in the ID window Firmware versions can be found on the test sheets that came with the radio modules or by contacting the fa...

Page 40: ...G The CI RC 4M Multiple Link Controller is a software programmable controller The Multiple Link Controller Software connects to the CI RC 4M using the computers serial port through a standard serial or USB cable to the front panel of the controller The opening screen is shown in Figure 5 13 Figure 5 13 CI RC 4M Program Example ...

Page 41: ...ser Guide The conﬁguration screen will allow for a wide variety of complex repeater conﬁgurations using a link conﬁguration grid as shown in Figure 5 14 The grid uses color coding to indicate different connection settings Figure 5 14 CI RC 4M Program Link Conﬁguration Grid ...

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Page 43: ...are and Programming Interface Cable Subrack with Optional Auxiliary Connector System Monitor Power Ampliﬁers Tuning and Maintenance Tools The Receiver Transmitter Controller Software and Programming cable were discussed previously The other radio system components are further explained in greater detail in this chapter All Daniels modules are hot swappable There is no need to disconnect the power ...

Page 44: ...board that is used to power other Daniels equipment at 9 5 Vdc the CI RC 4M controller for example Do not connect the main power input to the 9 5 Vdc power output connector as a transient suppressor over voltage protection will short to ground to protect the equipment Reverse voltage protection and over voltage protection transient suppressor is provided at the main power input as well as the 9 5 ...

Page 45: ...iver ISO COR K and the Transmitter Bank A B select line uses the same line as the MT 3 Transmitter Standby There are 3 different ways to change the channel of a transmitter receiver module 1 The user can set jumpers mounted on the motherboard for each Channel Select signal line Set of four for each Tx Rx module These jumpers can be used to permanently set a subrack slot at a speciﬁc channel Jumper...

Page 46: ...CR15 CR16 CR17 CR18 JU9 JU10 JU11 JU12 JU3 JU4 JU5 JU6 JU13 JU14 JU15 JU16 JU18 JU19 JU20 JU21 CR23 CR24 CR25 CR26 R7 R8 R9 R10 CR6 JU32 JU33 JU34 JU35 C10 RX A J3 TX A J2 M3 CONTROL P1 CONTROL MODULE J1 RFC1 CR3 CR4 CR5 CR7 CR8 CR9 CR10 CR19 CR20 CR21 CR22 R3 R4 R5 R6 JU24 JU25 JU26 JU27 JU42 JU41 JU28 JU29 JU30 JU31 C9 J21 RX A AUDIO JU 2 RX A 9 5 V JU8 JU7 14 1 J67 J9 J72 J73 U82 C84 1 10 J74 J...

Page 47: ...D3 J3 Sp are 1 Sp are 2 Sp are 3 Sp are 4 Sp are 5 Sp are 6 IM C 1 IM C 2 Ala rm 1 Ala rm 2 Ala rm 3 Ala rm 4 Ala rm 5 Ala rm 6 Ala rm 7 Ala rm 8 Gr ou nd Gr ou nd Gr ou nd Gr ou nd 13 8 Vd c 13 8 Vd c 9 5 Vd c 9 5 Vd c Rx A Sq l Ov er Rx A Pr ior CO R Rx A Dis c LP O P Rx A Sq l De em p Rx B Dis c LP O P Rx B Pr ior CO R Rx B Dis c LP O P Rx B Sq l De em p J4 Tx AAu dio Cn tl Tx A VS WR Fw d Tx A...

Page 48: ...1 Spare 2 Spare 3 Spare 4 Spare 5 Spare 6 IMC 1 IMC 2 Alarm 1 Alarm 2 Alarm 3 Alarm 4 Alarm 5 Alarm 6 Alarm 7 Alarm 8 Ground Ground Ground Ground 13 8 Vdc 13 8 Vdc 9 5 Vdc 9 5 Vdc Rx A Sql Over Rx A Prior COR Rx A Disc LP O P Rx A Sql De emp Rx B Sql Over Rx B Prior COR Rx B Disc LP O P Rx B Sql De emp J4 Tx AAudio Cntl Tx A VSWR Fwd Tx A VSWR Rev Tx A Dir Mod Tx A Subt I P 2 Tx A PTT Out Rx A Sig...

Page 49: ...an also be purchased with optional antenna relays 1 or 2 built in front panel meter or a main power switch Figure 6 6 System Monitors Simplex Operation The System Monitor has an internal jumper that is enabled when the radio system is operated in simplex mode simplex base station or simplex links The jumper connects the PTT OUT signal line to the RX MUTE JU12 is enabled for the A side pair and JU1...

Page 50: ...Supply Voltage 10 Vdc to 17 Vdc 13 8 Vdc nominal 3 9 5 Volts Regulated 9 5 Vdc 0 1 Vdc 8 Rx A B Audio Receiver Audio NOT Rx Balanced Output MIN MAX HOLD REL ms Hz RANGE dB dB ac dc ac dc ac dc ac dc F nS mA mA A mV V mV V OFF C A A A A mA COM V TEMPERATURE A MIN MAX HOLD REL ms Hz RANGE dB dB ac dc ac dc ac dc ac dc F nS mA mA A mV V mV V OFF C A A A A mA COM V TEMPERATURE A AutoHOLD LOGGING SAVE ...

Page 51: ...xtender cards can be used to extend the individual modules out from the subrack Extender kits extender card plus a four foot cable allow the modules to be extended out to a bench for servicing The following extender cards and kits are available EC 96D1 direct connect or EC 96K 1 22 card and cable Used for the 96 pin control cards CI RC 4L and CI BC 4E EC 48RD direct connect or EC 48RK 1 22 card an...

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Page 55: ......

Page 56: ...ie Street Victoria BC Canada V8V 1P8 www danelec com sales danelec com Toll Free Canada and USA phone 1 800 664 4066 fax 1 877 750 0004 International phone 250 382 8268 fax 250 382 6139 2005 Daniels Electronics Ltd All Rights Reserved UG 001 1 1 0 ...

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