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Microwave Data Systems Inc.
Rochester, NY 14620
General Business: +1 585 242-9600
FAX: +1 585 242-9620
Web: www.microwavedata.com
175 Science Parkway
A product of Microw
av
e Data Systems Inc.
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MDS 4790/9790 Series
1
QUICK START GUIDE
2
TABLE OF CONTENTS
3
Copyright Notice
6
Operational Safety Notices
6
ESD Notice
8
Environmental Information
8
1.0 INTRODUCTION
9
2.0 PRODUCT DESCRIPTION
9
2.1 Network-Wide Diagnostics
10
2.3 Applications
11
2.4 Features
12
2.5 Accessories
13
3.0 INSTALLATION PLANNING
14
(Shown mounted to mast)
17
4.0 INSTALLATION PROCEDURES
18
4.2 Mounting the Radio
19
Figure 7. Mounting Dimensions
20
4.3 Primary Power
21
ON/OFF SWITCH
22
DC POWER INPUT
22
4.4 Backup Battery
23
Battery Reset Switch
24
(See Text)
24
Duplexer
24
ANT connector
26
(Most common arrangement)
26
TX and RX ports are the only
26
DATA PORT to prevent damage
28
Data Interface Connector—J3
30
Invisible place holder
30
5.0 START-UP AND OPERATION
32
5.2 Front Panel Indicators
33
Figure 24. LED Indicators
34
6.0 DIAGNOSTICS AND CONTROL
36
MDS P/N 97-1971A04
37
6.2 PC Command Summaries
38
For example: REPEATER
39
For example: REPEATER ON
39
PC COMMAND
42
FRONT PANEL
42
MENU DESCRIPTION
42
STAT (described on Page 52)
43
Major Alarm Event
45
Assignments
45
Alarm Sense ASENSE [HI/LO]
46
Battery Backup
46
Monitoring & Alarm
46
Data Interface Baud
46
Data Interface
47
Buffering
47
Event Log Date
49
Dekey Transmitter DKEY
49
Emphasis screen, Page 66
50
Hardware Revision
51
Initialize to Factory
51
Defaults
51
Manual Key screen, Page 68
52
Clear Logs screen, Page 75
52
4-WIRE AUDIO INTERFACE
53
Modem screen, Page 65
53
Alarm Masks screen, Page 71
53
Options Installed OPT
54
Owner’s Message OWM [xxxxx]
54
Owner’s Name OWN [xxxxx]
54
Received Signal
56
Strength Indicator
56
Remote Terminal
56
Receive Frequency RX [xxx]
57
Received Data Audio
57
Receive Pad screen, Page 71
58
Transmit Timeout screen
58
Serial Number screen, Page 74
58
Show Selected
59
Parameters
59
Signal-to-Noise
59
Unit’s Internal
61
Temperature
61
Transmit Timeout
62
Transmit Data Audio
62
Front Panel
64
This graphic points you
68
Table 17. dBm Vs. Watts
73
Clear-to-Send
74
Standby
77
Equipment
77
Transmit Level
78
[–20 to +3, AUTO]
78
Set Owner
80
7.0 LOCAL & NETWORK-WIDE
83
PROBLEM SOLVING
83
7.1 Local Problem-Solving
84
DTYPE ROOT command (Page 42)
88
DIAGNOSTICS port, an
89
8.0 REPLACING ASSEMBLIES
90
POWER SUPPLY
91
MAIN TRANSCEIVER
91
(P/N 28-1575Axx)
92
Backup Battery
92
POSSIBLE
94
EQUIPMENT
94
9.0 RADIO SOFTWARE UPGRADES
99
COOLING FAN
99
(Keep clear of dust)
99
AIR FLOW
99
9.2 Preparing for Download
100
10.0 TECHNICAL REFERENCE
101
±1.5 ppm
102
10.2 RF Propagation Planning
103
FProb a b 6.0 10
107
GLOSSARY
109
IN CASE OF DIFFICULTY
119
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