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NEC PASOLINK Manuals
Manuals and User Guides for NEC PASOLINK. We have
1
NEC PASOLINK manual available for free PDF download: Training Course
NEC PASOLINK Training Course (111 pages)
DIGITAL MICROWAVE RADIO SYSTEM
Brand:
NEC
| Category:
Receiver
| Size: 1.83 MB
Table of Contents
System Configuration
3
System Performance
6
Equipment Performance
8
Performance Characteristics of IDU
8
Radio Frequency Assignment
12
Alarm and Control
13
Alarm Indication and Reporting
13
IDU Description and Operation
15
Equipment Composition
15
Functional Operation
19
Functional Block Diagram of IDU
20
Functional Block Diagram of IDU in 1+1 System
23
Transmit Line Equalization
27
Bipolar-To-Unipolar Code Conversion
27
Multiplexing
27
Scrambling
28
Differential Encoding
28
Binary Combinations
28
4-Phase Shift Keying Modulation
29
Typical Operation of Differential Encoding Circuit
29
Orderwire Signal Modulation
30
EOW and Alarm Signal Demodulation
30
PSK Modulation
30
Main Signal Demodulation
31
Differential Decoding
31
Receive Digital Processing
32
Demultiplexing
32
Receive Line Equalization
32
Unipolar-To-Bipolar Code Conversion
32
Analog Service Channel Signal Transmission
33
ASC Transmit Side
33
ASC Receive Side
33
9.6 K Digital Service Channel Transmission
33
Alarm Signal Transmission
34
DSC Transmit Side
34
DSC Receive Side
34
WS Transmit Side/Ws Receive Side
34
64 K Digital Service Channel Transmission
35
Service Channel Transmission of G.703 Codirectional
35
Service Channel Transmission of V.11
35
LAN Signal Transmission
36
Transmit Side
36
Receive Side
36
Alarm and Control Functions
36
Interface Terminals and Jacks in 1+0 System
37
Interface Terminals and Jacks of 1+1 System
45
Controls, Indicators and Test Jacks
54
IDU Indicator
54
ODU Indicator
54
MAINT Indicator
55
100M Indicator
55
LINK/ACT Indicator
55
COLX/DUPLEX Indicator
55
TX ALM 1 Indicator (Only for 1+1 System)
56
TX ALM 2 Indicator (Only for 1+1 System)
56
RX ALM 1 Indicator (Only for 1+1 System)
57
RX ALM 2 Indicator (Only for 1+1 System)
57
TX OPR 1 Indicator (Only for 1+1 System)
57
Controls, Indicators and Test Jacks of the IDU
58
TX OPR 2 Indicator (Only for 1+1 System)
58
RX OPR 1/2 Indicator (Only for 1+1 System)
58
OPR SEL No. 1-AUTO-No. 2 Switch (Only for 1+1 System)
58
Odu Description and Operation
59
Component Module Arrangement
59
Transmitter Section
60
Functional Block Diagram of the ODU
61
Receiver Section
62
Alarm and Control Section
62
Operation
64
Interface Terminals and Jacks
64
Controls, Indicators and Test Jacks of OW/RX LEV Monitor
67
Installation Procedure
69
Preparation for Installation
69
Equipment and Materials List
70
Before Going to Site Check List
71
Installation Flow Chart
73
Packing List for IDU, ODU, and ANT
74
IDU Mounting
75
Mounting of ODU and ANT
76
ODU Demounting
76
Frame Grounding
77
Cable Termination
78
Terminating Coaxial (Baseband Signal) Cable with BNC Connector
79
Terminating Coaxial (if Signal) Cables with N-P Connector
80
Terminating Power Supply Cables with Molex Connector
82
Cable and Terminal Connections
84
Waterproof Protection
85
Equipment Start-Up and Shut-Down
86
Equipment Setting and Monitoring
87
Controls of IDU
88
Alarm and Status Monitoring of IDU and ODU
101
Monitoring the ODU
108
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