Ericsson MOBITEX BRU3 Manuals

Manuals and User Guides for Ericsson MOBITEX BRU3. We have 3 Ericsson MOBITEX BRU3 manuals available for free PDF download: Instructions Manual, Manual, Safety Instructions

Ericsson MOBITEX BRU3 Instructions Manual (61 pages)

Brand: Ericsson | Category: Accessories | Size: 1.17 MB

Design, Function and Operation
3
Mechanical Parts
4
Start-Up and Shutdown Procedures
8
Restarting the BRU3 (Warm Start)
9
Manual Restart of a BRU3 in Stand Alone Mode
10
Network Connections
12
Telephone Modem Boards
13
Logic Units
17
Leds
18
Radio Units
19
Radio Operation
21
Power Supply
22
FE Power Supply Unit (FPU)
23
FE Battery Unit (FBU)
26
FE Heating Unit (FHU)
27
Alarms
28
Maintenance
29
Equipment Required
30
Maintenance to be Performed
31
Battery Test
33
Function Check
34
Check of Internal Power Supply (Mains and Battery)
35
FBTEST Board Test
37
Channel Unit Output Power
38
Transmitter Deviation
41
Bit Errors at High Signal Levels
42
Receiver Sensitivity
44
Receiver Sensitivity at Frequency Deviation
46
Antenna Input Signal
48
Transmitter Antenna VSWR
49
Hardware Alarm Status
52
Troubleshooting
54
Power Supply Units
55
FE Battery Unit (FBU)
56
Logic and Modem Units
57
FE Modem Board (FMB) & FE Adaptation Board (FAB)
58
Radio Units
59

Ericsson MOBITEX BRU3 Manual (34 pages)

Logic and Radio System

Brand: Ericsson | Category: Radio | Size: 1.07 MB

Table of Contents
1
General
3
Hardware Units
4
Hardware Modules
6
Logic and Modem Equipment
6
Radio Unit Modules
7
Power Supply Equipment
7
Modem Equipment
8
Telephone Modem Boards
10
V.11 and V.28 Serial Interfaces
10
Interface Signals
11
Connector
12
Logic Equipment
13
Synchronous Serial Circuit
14
Main CPU Including Memory
14
Dual Port Memory
14
Signal Processor Unit with Memory
15
Console Ports
15
Leds
15
Reset Button
16
Radio System
17
Radio Parameters
18
Frequency Band 400 Mhz (HRB 104 43/XX)
18
Frequency Band 800 Mhz (HRB 104 43/C20)
19
Frequency Band 900 Mhz (HRB 104 43/C2, C4, C5, C6)
19
Frequency Band 900 Mhz (HRB 104 43/C7, C8)
20
Radio Units
21
Transmitter
21
Modulation Synthesizer
22
Receiver
22
Reference Oscillator
22
Radio Control Circuit
23
Filter
23
Power Supply Equipment
24
Power Supply Unit
25
AC/DC Module
25
DC/DC Module
25
Battery Charge
26
DC Alarms
26
Lightning Protection
26
Connectors
26
Switches
26
Leds
27
Fuses
27
Battery Unit
27
Heating Unit
28
BRU3 Connections
29
I/O Connections
31
Software Description
32
Preboot Fe
32
Boot Fe
33
Main Fe
33
Fbtest
33

Ericsson MOBITEX BRU3 Safety Instructions (30 pages)

Base Radio Unit 3

Brand: Ericsson | Category: Radio | Size: 1.17 MB

Table of Contents
1
1 Introduction

3
2 Safety Instructions

4
- Definition of Expressions
  5
3 IT Power System

6
4 Precautions

7
5 Poisonous Substances

9
- Nickel Cadmium (Nicd)
  9
  - Locating and Removing the Battery Pack
    9
- Beryllium Oxide (Beo)
  11
  - Existence of Beryllium Oxide in BRU3
    11
  - Grade of Toxicity
    12
  - Symptoms of Poisoning
    12
  - First Aid
    12
  - Handling Components Containing Beryllium Oxide
    12
  - End of Life Treatment
    13
  - Labels
    13
  - Locating and Removing the Beryllium Oxide Component
    14
- Electro Static Discharge (ESD)
  21
6 Rules and Requirements - Europe

22
- General Safety Statements
  22
- Statements for Connection to Telephone Networks in the UK
  23
7 Rules and Requirements - Usa/Canada

24
- FCC - Rules and Requirements
  24
- BRU3 Classification
  24
- BRU3 Interference
  24
- BRU3 Changes or Modifications
  25
- Government Requirements and Equipment Return
  25
  - Usa
    25
  - Canada
    27
8 Electrical Safety

29
- Safety Instructions
  29

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Ericsson MOBITEX BRU3 Safety Instructions (30 pages)

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2 Safety Instructions

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5 Poisonous Substances

6 Rules and Requirements - Europe

7 Rules and Requirements - Usa/Canada

8 Electrical Safety

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