MDS TransNET 900 Especificaciones Pagina 21
- Pagina / 96
- Tabla de contenidos
- SOLUCIÓN DE PROBLEMAS
- MARCADORES
Valorado. / 5. Basado en revisión del cliente
MDS 05-2708A01, Rev. E MDS TransNET Ref. Manual 11
Table 2 lists several types of feedlines and indicates the signal losses (in dB)
that result when using various lengths of each cable at 900 MHz and Table 3
for 2.4 GHz. The choice of cable will depend on the required length, cost
considerations, and the amount of signal loss that can be tolerated.
Antenna System Ground
Precautions should be taken to assure the antenna and its support structure are
bonded to a good earth ground system to minimize the impact of voltages
created by lightning and atmospheric charges.
CAUTION: Safety grounding systems are beyond the scope of this manual. Below you
will find some elementary advice. These are generalities; every location and
installation is unique and requires a unique safety grounding system design.
Please consider consulting a radio system engineer or other professional for
advice or ground system design. A well-designed ground system will mini-
mize risk of electrical shock to personnel and the chances of equipment
damage.
Table 2. Length vs. loss in coaxial cables at 900 MHz
Cable Type
10 Feet
(3.05 Meters)
50 Feet
(15.24 Meters)
100 Feet
(30.48 Meters)
300 Feet
(91.44 Meters)
LMR 400 0.39 dB 1.95 dB 3.9 dB Unacceptable
Loss
1/2 inch
HELIAX
0.23 dB 1.15 dB 2.29 dB 6.87 dB
7/8 inch
HELIAX
0.13 dB 0.64 dB 1.28 dB 3.84 dB
1-1/4 inch
HELIAX
0.10 dB 0.48 dB 0.95 dB 2.85 dB
1-5/8 inch
HELIAX
0.08 dB 0.40 dB 0.80 dB 2.4 dB
Table 3. Length vs. loss in coaxial cables at 2400 MHz
Cable Type
10 Feet
(3.05 Meters)
50 Feet
(15.24 Meters)
100 Feet
(30.48 Meters)
300 Feet
(91.44 Meters)
LMR-400 0.70 dB 3.50 dB 6.61 dB Unacceptable
Loss
1/2 inch
HELIAX
0.35 dB 1.73 dB 3.46 dB 17.3 dB
7/8 inch
HELIAX
0.20 dB 0.99 dB 1.97 dB 9.85 dB
1-1/4 inch
HELIAX
0.15 dB 0.73 dB 1.45 dB 7.50 dB
- Reference Manual 1
- MDS TransNET 900 1
- MDS TransNET 2400 1
- QUICK START GUIDE 2
- CONTENTS 3
- Copyright Notice 9
- MDS Quality Policy Statement 9
- RF Exposure Notice 9
- www.microwavedata.com 10
- 1.0 ABOUT THIS MANUAL 11
- 2.0 PRODUCT DESCRIPTION 11
- 2.1 Transceiver Features 11
- How Are They Different? 12
- 2.4 Typical Applications 12
- 2.2 Model Number Codes 12
- 2.3 Spread Spectrum Radios— 12
- Invisible place holder 13
- 2.5 Accessories 15
- 3.0 INSTALLATION PLANNING 16
- 3.1 General Requirements 16
- 3.2 Site Selection 16
- 4.0 INSTALLATION 24
- 4.1 Transceiver Installation 24
- 4.3 Tail-End Links 28
- 5.0 OPERATION 29
- 5.1 Initial Start-up 29
- PW R SYNC TXD RXD 30
- Q or QUIT.) 31
- 6.0 RADIO PROGRAMMING 32
- 6.1 Radio Programming Methods 32
- 6.2 User Commands 33
- ADDR) to view the currently 38
- AT ON at the Master 39
- Hardware Revision 45
- SYNC messages 46
- SLEEP. For more information 46
- command 47
- PWR command 48
- HOPTIME period (See page 34) 49
- SKIP command 52
- Firmware Revision Level 52
- 7.0 TROUBLESHOOTING 55
- 7.3 Troubleshooting Chart 58
- 7.5 Internal Fuse Replacement 60
- 8.0 RADIO FIRMWARE UPGRADES 61
- 8.1 Obtaining New Firmware 61
- 9.3 Using AT Commands 65
- UNIT are examples of 66
- Services 67
- Extension Radio(s) 68
- DIAG(nostic) port 71
- SAF even if you are 71
- 9.8 Mobile Operation Support 72
- 9.10 Seamless Mode Emulation 73
- 9.11 Full-Duplex Emulation 73
- CSADDR = ADDR 74
- CSADDR ≠ ADDR 74
- CSADDR = NONE 74
- 9.13 Security 75
- 10.0 TECHNICAL REFERENCE 76
- Table 27 lists the 80
- TECHNICAL ASSISTANCE 95
- FACTORY SERVICE 95
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We providing 1 pdf manuals Intimus 3000 C for download free by document types: User Manual
Table of contents
URUCHOMIENIE
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AKCESORIA
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