Multitech MA220 Guide de l'utilisateur télécharger pdf (Page 73)

Appendix F – Modem AT Commands

Multi-Tech Systems, Inc. MultiAccess User Guide 73

S37 decimal 0–19 0 Sets the maximum V.34 “upstream” speed at which the

modem attempts to connect.

0 = maximum speed

1 = reserved

2 = 1200/75 bps

3 = 300 bps

4 = reserved

5 = 1200 bps

6 = 2400 bps

7 = 4800 bps

8 = 7200 bps

9 = 9600 bps

10 = 12000 bps

11 = 14400 bps

12 = 16800 bps

13 = 19200 bps

14 = 21600 bps

15 = 24000 bps

16 = 26400 bps

17 = 28800 bps

18 = 31200 bps

19 = 33600 bps

S38 decimal 0–23 1 Sets “downstream” data rate where V.90 provides rates of

28,000 to 56,000 bps in increments of 1,333 bps.

0 = V.90 disabled

1 = V.90 auto rate

2 = 28,000 bps

3 = 29,333 bps

4 = 30,666 bps

5 = 32,000 bps

6 = 33,333 bps

7 = 34,666 bps

8 = 36,000 bps

9 = 37,333 bps

10 = 38,666 bps

11 = 40,000 bps

12 = 41,333 bps

13 = 42,666 bps

14 = 44,000 bps

15 = 45,333 bps

16 = 46,666 bps

17 = 48,000 bps

18 = 49,333 bps

19 = 50,666 bps

20 = 52,000 bps

21 = 53,333 bps

22 = 54,666 bps

23 = 56,000 bps

Upstream data rates: Upstream V.90 data rates are 4800 to

33,600 bps in 2400 bps increments.

S43 decimal 0–1 1 For testing and debugging only. Enables/disables V.32bis

start-up auto mode operation. 0 = disable; 1 = enable.

1 2 ... 68 69 70 71 72 73 74 75 76 77 78 79 80

Commentaires sur ces manuels

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Carrier 59SC2A Manuel d'instructions (84 pages)

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Table des matières

Condensing Gas Furnace

1

Series 100

1

IMPORTANT

2

SAFETY CONSIDERATIONS

3

INTRODUCTION

4

CODES AND STANDARDS

4

ELECTROSTATIC DISCHARGE (ESD)

4

PRECAUTIONS PROCEDURE

4

ACCESSORIES

5

Fig. 1 -- Dimensional Drawing

6

80 / 27˚C

7

LOCATION

8

AIR FOR COMBUSTION AND

9

VENTILATION

9

Standard Method

10

NP = Not Permitted

11

Outdoors

12

CONDENSATE TRAP

13

Downflow Trap Configuration

14

(Appearance may vary)

15

CONDENSATE DRAIN CONNECTION

17

L12F019B

18

Formed end of

19

INSTALLATION

20

Horizontal Installation

21

Filter and Return Duct Sizing

22

(FIELD SUPPLIED)

24

UPFLOW DOWNFLOW HORIZONTAL

26

HORIZONTAL TOP

27

RETURN NOT

27

PERMITTED FOR

27

ANY MODEL

27

COMBUSTION - AIR PIPE

28

(SEE VENTING SECTION)

28

AIR DUCTS

29

GAS PIPING

31

ELECTRICAL CONNECTIONS

32

J--Box Installation

33

24--V Wiring

33

Alternate Power Supplies

33

Materials

38

Venting Systems

38

Locating the Vent Termination

39

Direct Vent / 2-Pipe System

40

Ventilated Combustion Air

40

Guidelines

41

Configure the Furnace

42

Roof Terminations

43

Example 1

48

Example 2

48

Vent Coupling and Adapter

50

Downflow Vertical

52

HORIZONTAL LEFT

53

RIGHT VENT CONFIGURATION*

53

VENT PIPE FLUSH WITH ADAPTER

55

Roof Termination (Preferred)

58

COMBUSTION-AIR

59

(ELBOW PARALLEL TO WALL)

59

Polypropylene Venting Systems

61

Purge Gas Lines

62

Adjustments

62

Adjust Temperature Rise

64

Adjust Cooling Airflow

64

338309-201 Rev. E

66

SINGLE-STAGE FURNACE

68

SERVICE AND MAINTENANCE

70

PROCEDURES

70

Component Self-Test

71

Checklist

71

Care and Maintenance

71

Servicing Hot Surface Igniter

74

Cleaning Heat Exchangers

75

Burner Flame

76

Manifold

76

Fig. 62 -- Blower Assembly

77

Fig. 63 -- Burner Assembly

78

SEQUENCE OF OPERATION

79

Troubleshooting Guide

80

Troubleshooting Guide (Cont)

81

Fig. 65 -- Wiring Diagram

82

Replaces: 59SC2A---01SI

84

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