background image

6-1

001-3282-101/102

4.7K

R248

4.7K

R227

CR220

R

G

1

2

4

3

C251
68pF

J400

2

J400

1

100K

R418

031_060_TestPoint

TP400

C222

0.01

JIC

R201

22pF

C230

22pF

C231

0.001

C204

1

C250

47K

R269

47K

R268

R267

47K

R266

47K

Q253

2N3904

Q252

2N3904

0.1

C203

2.2M

R224

2.2K

R225

68pF

C106

68pF

C105

68pF

C104

68pF

C103

68pF

C102

68pF

C101

68pF

C100

68pF

C121

68pF

C120

68pF

C119

68pF

C118

68pF

C117

68pF

C116

68pF

C115

68pF

C114

68pF

C113

68pF

C112

68pF

C111

68pF

C110

39

R270

39

R275

39

R271

39

R272

4.7

C459

4.7

C458

22pF

C221

22pF

C220

0.01

C201

0.01

C200

0.001

C408

0.01

C407

100pF

C406

0.001

C405

680K

R404

680K

R403

100K

R454

100K

R453

68pF

C404

100pF

C403

0.01

C402

0.01

C401

0.01

C457

0.01

C456

0.001

C455

220pF

C454

0.01

C453

0.01

C452

0.001

C451

C202

4.7

4.7

C241

4.7

C240

Q250

2N3906

1.0uH

L250

U200

LP2951

2

SENSE

6

+5TAP

3

SD

7

FB

8

VCC

4

GND

5

_ERR

1

+5OUT

U210

2

TD

1

_PBRST

3

TOL

8

VCC

7

_ST

5

RST

4

GND

6

_RST

U205

MC33164D

4

GND

2

INPUT

1

_RESET

8

NC8

7

NC7

6

NC6

5

NC5

3

NC3

U230

73K302L

20

_CS

1

CLK

15

VCC

12

ALE

22

RXD

23

RXCLK

28

GND

24

ISET

8

AD4

7

AD3

18

TXCLK

16

TXA

26

VREF

2

XTL1

21

TXD

9

AD5

6

AD2

4

AD0

5

AD1

14

_RD

25

RESET

19

EXCLK

13

_WR

11

AD7

10

AD6

17

_INT

27

RXA

3

XTL2

MC68HC711E9CFN2

U220

12

PC3|AD3

44

PE4|AN4

46

PE5|AN5

48

PE6|AN6

50

PE7|AN7

27

PA7|PA1|OC1

43

PE0|AN0

45

PE1|AN1

52

VRH

21

PD1|TXD

22

PD2|MISO

23

PD3|MOSI

24

PD4|SCK

51

VRL

5

E

49

PE3|AN3

26

VCC

33

PA1|IC2

32

PA2|IC1

31

PA3|IC4|OC5|OC1

30

PA4|OC4|OC1

29

PA5|OC3|OC1

28

PA6|OC2|OC1

3

MODA|_LIR

2

MODB|VSTBY

19

_IRQ

18

_XIRQ

17

_RESET

34

PA0|IC3

47

PE2|AN2

7

EXTAL

8

XTAL

1

GND

25

PD5|_SS

39

PB3|A11

38

PB4|A12

37

PB5|A13

36

PB6|A14

35

PB7|A15

20

PD0|RXD

13

PC4|AD4

14

PC5|AD5

15

PC6|AD6

16

PC7|AD7

42

PB0|A8

41

PB1|A9

40

PB2|A10

4

STRA|AS

6

STRB|R|_W

9

PC0|AD0

10

PC1|AD1

11

PC2|AD2

MAX3243

U240

9

T1OUT

21

_INVALID

10

T2OUT

17

R3OUT

5

R2IN

6

R3IN

13

T2IN

1

C2+

8

R5IN

16

R4OUT

24

C1-

2

C2-

11

T3OUT

7

R4IN

14

T1IN

4

R1IN

26

VCC

3

V-

23

FORCEON

25

GND

27

V+

20

R2OUTB

19

R1OUT

18

R2OUT

28

C1+

15

R5OUT

22

_FORCEOFF

12

T3IN

S101

16

8

S101

15

7

S101

14

6

S101

13

5

S101

12

4

S101

11

3

S101

10

2

S101

9

1

Q256
2N3904

Q255
2N3904

Q254
2N3904

Q251

2N3904

11.059MHz

Y230

EP250

1N4746A
18V

CR250

5%

F250

1.5A

J102

1

J102

2

J102

3

J102

4

J102

5

J102

6

J102

7

J102

8

J102

9

J102

10

R410

JIC

R412

JIC

180K

R406

100K

R223

R218
100K

R220
100K

22

C233

C235

0.1

C234

0.1

C232

0.1

R210
100K

R211
100K

R212
100K

R213
100K

R214
100K

R215
100K

R216
100K

R217
100K

R230
100K

100K

R232

R231
2.2M

J101-1

1

J101-2

2

J101-3

3

J101-4

4

J101-5

5

J101-6

6

J101-7

7

J101-8

8

J101-20

20

J101-22

22

C245

0.33

C244

0.33

R240

39

C242
0.047

C243

0.33

Y220

8.000MHz

U400-C

MC33174D

8

10

9

J103-1

1

J103-2

2

J103-3

3

J103-4

4

J103-5

5

J103-6

6

J103-7

7

J103-8

8

J103-9

9

J103-10

10

J103-11

11

J103-12

12

J103-13

13

J103-14

14

J103-15

15

2.2K

R249

MC14053B

U401

15

Z

1

Y1

10

S

2

Y0

MC14053B

U401

4

Z

3

Y1

9

S

5

Y0

MC14053B

U401

14

Z

13

Y1

11

S

12

Y0

MC14053B

U401

6

_E

16

VDD

7

VEE

8

VSS

CW

CCW

R411

JIC

CW

CCW

10K

R457

C

W

C

C

W

100K

R400

TP401

031_060_TestPoint

TP450

031_060_TestPoint

031_060_TestPoint

TP220

MH3

REF1

680K

R417

56K

R402

56K

R408

R455

56K

56K

R450

56K

R452

47K

R263

47K

R255

47K

R256

47K

R264

47K

R258

47K

R259

47K

R265

47K

R261

47K

R262

470

R460

470

R415

470

R414

U450-C

MC33174D

8

10

9

27K

R451

27K

R407

22K

R416

180K

R405

15K

R456

R401

15K

100K

R200

100K

R257

100K

R254

100K

R260

JIC

R413

R222
100K

100K

R221

2.2K

R250

10K

R458

R459

10K

10K

R253

10K

R252

10K

R251

100K

R409

0.1

C400

0.1

C450

CR400

5%

9.1V

BZX84C

MC33174D

U450-E

11

GND

4

PWR

MC33174D

U400-E

11

GND

4

PWR

MC33174D

U450-B

7

5

6

U450-A

MC33174D

1

3

2

U400-A

MC33174D

1

3

2

U400-D

MC33174D

14

12

13

U400-B

MC33174D

7

5

6

MC33174D

U450-D

14

12

13

MOB_TX_DATA

MOB_TX_DATA

WB_OUT

WB_OUT

WB_OUT

RX_DATA

RX_DATA

RX_DATA

SUB_AUD_DATA

SUB_AUD_DATA

TX_DATA

TX_DATA

WB_IN

WB_IN

WB_IN

SOURCE

VREF

VREF

VREF

VREF

VREF

VREF

SOURCE

13.6V_FUSED

13.6V_FUSED

13.6V_FUSED

RX_AUDIO

RX_AUDIO

TX_AUDIO

TX_AUDIO

TXD

TXD

TXD

CS_0

CS_0

RTS

RTS

CTS

CTS

DTR

DTR

DCD

DCD

RXD

RXD

RXD

AD_3

AD_3

AD_4

AD_4

AD_5

AD_5

_IRQ

_IRQ

AD_1

AD_1

CS_2

CS_2

CS_4

CS_4

CS_3

CS_3

TX_MUTE

TX_MUTE

AD_0

AD_0

AD_6

AD_6

AD_2

AD_2

ARQ

ARQ

_SQUELCH

_SQUELCH

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

SOURCE

VCC

PTT

PTT

PTT

AD_7

AD_7

CS_1

CS_1

RX_TX

RX_TX

WB_SEL

WB_SEL

WB_SEL

WB_SEL

INTERCEPT

INTERCEPT

FINISH:

MATERIAL:

RELEASE DATE:

REFERENCE:

.XXX

.XX

MM

DECIMALS

APPROVED BY:

CHECKED BY:

LAST MODIFIED BY:

DATE:

DATE:

DATE:

TOLERANCE UNLESS

OTHERWISE SPECIFIED

APPROVED BY:

DATE:

bhaman

m:\jdt_release_archive\2423282\3282-350.2\3282_350.2.tc

3/23/00

TP450

Short For Low Impedance

* These Parts Are Placed For Bootstrap Mode

EXTERNAL CONNECTOR

WB_IN

WB_OUT

FREQ_SELECT

RSSI

13.6V

_PTT_OUT

SQUELCH_IN

TX_DATA

GROUND

RX_DATA

*

*

*

RS232_RI

OPT 3

OPT 2

OPT 1

HALF/FULL DPLX

SQUELCH INVERT

BELL 202/103

CONV/ARQ

NORM/LOOP

COMPUTER CONNECTOR

RX_DATA

WB_OUT

GROUND

_ARQ_OUT

TX_RX

SUB_AUD_DATA

13.6V

13.6V

_TX_MUTE_OUT

_INTERCEPT

TX_DATA

WB_IN

GROUND

_PTT_OUT

SQUELCH_IN

MOBILE RADIO CONNECTOR

RS232_DTR

RS232_DCD

RS232_GND

RS232_DSR

RS232_CTS

RS232_RTS

RS232_TXD

RS232_RXD

SHIELD_GND

3282 Modem Schematic

Figure 8-1

1999 Dataradio COR Ltd.

COMPANY CONFIDENTIAL

Summary of Contents for DL-3282

Page 1: ...S e r v i c e M a n u a l DL 3282 1200 Baud Modem Part Number 250 3282 002...

Page 2: ...ent for the fixed data market including SCADA systems for utilities petrochemical waste and fresh water management markets and RF boards for OEM applications in the Radio Frequency Data Capture market...

Page 3: ...ODUCTION 2 3 RECEIVE INPUT LEVEL 2 3 2 3 ADJUSTMENTS 2 3 INTRODUCTION 2 3 DIP SWITCH S101 2 6 TRANSMIT OUTPUT LEVEL ADJUSTMENT 2 6 3 THEORY OF OPERATION 3 1 INTRODUCTION 3 1 3 2 FULL DUPLEX HALF DUPLE...

Page 4: ...MODE OPTION SETTINGS 2 5 2 5 SWITCH S101 TEST MODE SETTINGS 2 5 3 1 MODEM TIMING PARAMETERS BELL 3 6 LIST OF FIGURES 2 1 DL 3400 EXTERNAL CONNECTOR 2 1 2 2 RNet JSLM EXTERNAL CONNECTORS 2 2 2 3 RS 232...

Page 5: ...se analog signals back into digital data This allows digital data to be transmitted and received using an RF link This modem is compatible with Bell 103 202 standards for modems It has an RS 232 compa...

Page 6: ...rial number your account number if known and billing and shipping addresses Include the RMA number a complete description of the problem and the name and phone number of a contact person with the retu...

Page 7: ...to 16 VDC Current Drain Less than 50mA Temperature Range 30 C to 60 C Data Interface EIA RS 232C Standard DB 25 subminiature connector female DRLTM Brand Radio Interface 10 pin 3M type 3325 connector...

Page 8: ...gures 2 1 and 2 2 are the pin designations for these connectors Install these cables as required for your particular installation Figure 2 1 DL 3400 EXTERNAL CONNECTOR TRANSCEIVER MODEL DRL CABLE CONN...

Page 9: ...eld_GND J101 1 2 RS232_ DCE RXD J101 2 3 RS232_ DCE TXD J101 3 4 RS232_RTS J101 4 5 RS232_CTS J101 5 6 RS232_DSR J101 6 7 RS232_GND J101 7 8 RS232_DCD J101 8 20 RS232_DTR J101 20 Interconnect Cable 69...

Page 10: ...ility with a wide range of products When used with DRL synthesized radios DL 3400 and JSLM RNet a shorter delay time 30 ms may be used These settings may require adjustment in the field to optimize pe...

Page 11: ...ll 202 Half Duplex 1200 Half 2200 1200 2200 1200 1 2 3 4 5 Loopback Modes 1 1 1 Bell 103 Answer Loopback 300 Full 2025 2225 2025 2225 1 1 0 Bell 103 Originate Loopback 300 Full 1070 1270 1070 1270 1 0...

Page 12: ...g PTT to activating Clear To Send CTS 60 ms Time to debounce Soft Carrier Turnoff SCT at end of transmission 50 ms 0 0 0 1 Time between activating PTT to activating Clear To Send CTS 180 ms Time to de...

Page 13: ...indicated in the Tables above 0 Off 1 On c Re install the modem board in the housing unless performing adjustments described in the following two sections 2 3 3 TRANSMIT OUTPUT LEVEL ADJUSTMENT The tr...

Page 14: ...ired J103 pin 5 has a resistor that will drop the Tx output level to 40 mVrms when connected to the DRL JSLM RNet d Re install the modem board in the housing Figure 2 5 MODEM BOARD ADJUSTMENT AND TEST...

Page 15: ...t receiving or transmitting the data A DIP switch on the modem PC board programs the modem to operate according to one of the Bell standards listed in Table 2 2 U240 J101 1 SHIELD 2 RS 232 RxD RS 232...

Page 16: ...S 3 2 FULL DUPLEX HALF DUPLEX OPERATION Full duplex means that data can be simultaneously transmitted and received This type of operation allows data to be transmitted and received at the same time in...

Page 17: ...ly one main data channel is transmitted at a time The occupied bandwidth can be greater and data can be transmitted at higher baud rates With an RF link each RF channel also has a bandwidth of 3000 Hz...

Page 18: ...y U240 and then applied to the TxD input of U230 and converted to the MARK and SPACE tones These tones are fed out of U230 on the TxA Transmit Audio pin They are then routed to a separate RF transmitt...

Page 19: ...sine wave Transmit filtering also prevents interference with the back channel not used or the other duplex channel 3 5 6 COMPLETING DATA TRANSMISSION When the data equipment is through sending data i...

Page 20: ...the RxD pin of the RS 232 port 3 6 2 DTR SIGNAL The DTR signal indicates that the data equipment connected to the port is ready to receive or transmit data 3 6 3 CARRIER DETECT CD SIGNAL When a tone...

Page 21: ...232 port goes low Off and the RxD output is clamped to a Mark Figure 3 3 MODEM INTERCONNECT DIAGRAM TRANSMITTER RF RF RECEIVER RX DATA TX DATA TX KEYING RECEIVER TRANSMITTER INTERFACE CONTROL REQUEST...

Page 22: ...5 NPO 0603 C 113 610 3674 680 68pF 5 NPO 0603 C 114 610 3674 680 68pF 5 NPO 0603 C 115 610 3674 680 68pF 5 NPO 0603 C 116 610 3674 680 68pF 5 NPO 0603 C 117 610 3674 680 68pF 5 NPO 0603 C 118 610 367...

Page 23: ...28 338 33UFD 35V SMD TANT RL C 245 610 2628 338 33UFD 35V SMD TANT RL C 250 610 3606 105 1uf 16V 1206 CHIP CAP C 251 610 3674 680 68pF 5 NPO 0603 C 400 610 3609 104 1UFD X7R J 1206 RL C 401 610 3675 1...

Page 24: ...Q 251 676 0003 658 XSTR SI NPN SOT 23 Q 252 676 0003 658 XSTR SI NPN SOT 23 Q 253 676 0003 658 XSTR SI NPN SOT 23 Q 254 676 0003 658 XSTR SI NPN SOT 23 Q 255 676 0003 658 XSTR SI NPN SOT 23 Q 256 676...

Page 25: ...R 250 669 0155 222 2 2K OHMS J 063W 0603 CHI R 251 669 0155 103 10K OHMS J 063W 0603 CHIP R 252 669 0155 103 10K OHMS J 063W 0603 CHIP R 253 669 0155 103 10K OHMS J 063W 0603 CHIP R 254 669 0155 104...

Page 26: ...155 184 180K OHMS J 063W 0603 CHI R 406 669 0155 184 180K OHMS J 063W 0603 CHI R 407 669 0155 273 27K OHMS J 063W 0603 CHIP R 408 669 0155 563 56K OHMS J 063W 0603 CHIP R 409 669 0155 104 100k OHMS J...

Page 27: ...ELL 202 MODEM 73K302LIH U 240 644 2023 034 RS232 TRANSCEIVER AUTO SH U 400 644 2020 017 QUAD OPAMP SO 14 33174 U 401 644 3016 053 3 2CH ANALOG MUX DEMUX U 450 644 2020 017 QUAD OPAMP SO 14 33174 Y 220...

Page 28: ...PHL FLT 82 ZPS HW 005 696 4504 008 WASHER SHLDR 4X 046 HW 305 675 1604 010 4 40MACH PAN HD ZPS PH ML 000 004 3282 003 MODEM SETUP INSTRUCTIONS MP 002 014 0778 009 ENCL SGL SMALL CRMATE MP 003 312 637...

Page 29: ...AN HD ZPS PH ML 000 004 3282 003 MODEM SETUP INSTRUCTIONS ML 000 041 0419 025 DRL WARRANTY REGISTRATION ML 000 051 0403 429 DIE CUT PKG CONTAINER ML 000 659 9003 002 MADE IN USA LABEL SM ML 001 021 33...

Page 30: ...SECTION 5 5 1 001 3282 101 102 COMPONENT LAYOUT Figure 5 1 3282 MODEM COMPONENT LAYOUT 1999 Dataradio COR Ltd Company Confidential...

Page 31: ...3 3 J101 4 4 J101 5 5 J101 6 6 J101 7 7 J101 8 8 J101 20 20 J101 22 22 C245 0 33 C244 0 33 R240 39 C242 0 047 C243 0 33 Y220 8 000MHz U400 C MC33174D 8 10 9 J103 1 1 J103 2 2 J103 3 3 J103 4 4 J103 5...

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