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Radyne ComStream DMD2401L Manuals
Manuals and User Guides for Radyne ComStream DMD2401L. We have
1
Radyne ComStream DMD2401L manual available for free PDF download: Operation Manual
Radyne ComStream DMD2401L Operation Manual (199 pages)
Brand:
Radyne
| Category:
Modem
| Size: 1.44 MB
Table of Contents
Installation and Operation Manual
1
Table of Contents
8
Section 1 - Introduction
16
Asynchronous Overhead Channel
17
DMD2401 Available Options
17
Reed-Solomon Codec
17
Sequential Decoding
17
8PSK Modulation
18
Analog AGC Voltage
18
Customized Options
18
Drop and Insert (D&I)
18
Turbo Product Codec (TPC)
18
1 Description
16
Section 2 - Installation
20
Unpacking
20
Initial Power-Up
21
Modulator Checkout
21
Mounting Considerations
21
Applications
24
DMD2401 Operation
24
SCPC Point-To-Point Links
24
2 Installation Requirements
20
Removal and Assembly
20
Section 3 - Operation
24
3 Theory of Operation
24
DAMA (Demand Assigned Multiple Access)
25
SCPC Point to Multi-Point Links in a Broadcast Application
25
TDMA (Time Division Multiple Access) Remote Site Application
25
DMD2401 Automatic Uplink Power Control (AUPC Operation)
26
DMD2401 Initial Configuration Check
26
Asynchronous Framing/Multiplexer Capability
27
DMD2401 Asynchronous Overhead Operation
27
Asynchronous Multiplexer Mode
29
ESC Backward Alarms
29
Standard IBS Mode
29
Configuring the DMD2401 for Drop and Insert
30
IBS/D&I Configuration (Older Modems)
30
IDR Configuration (Older Modems)
30
IDR or IBS/D&I Configuration Instructions
30
To Disable the ESC Backward Alarms
30
Interface Type
31
Data Rate
32
Mode
32
Insert Terrestrial Frame Source
33
Terrestrial Framing - Drop Mode/Insert Mode
33
Alarms
34
Drop and Insert Mapping
35
Loopbacks
36
Terrestrial Loopback
36
Baseband Loopback
37
IF Loopback
37
Front Panel LCD Display
40
Front Panel User Interface
40
Section 4 - User Interfaces
40
4 User Interfaces
40
Front Panel Keypad
41
Front Panel LED Indicators
41
Parameter Setup
42
Front Panel Control Screen Menus
43
Main Menus
43
Modulator Menu Options and Parameters
43
Demodulator Menu Options and Parameters
45
Interface Menu Options and Parameters
48
Monitor Menu Options and Parameters
50
Alarms Menu Options and Parameters
51
System Menu Options and Parameters
59
Test Menu Options and Parameters
61
Terminal Mode Control
62
Modem Setup for Terminal Mode
63
Modem Terminal Mode Control
63
Protocol Structure
74
Protocol Wrapper
74
Remote Port User Interface
74
Frame Description and Bus Handshaking
76
Global Response Operational Codes
77
Collision Avoidance
79
Flow Control and Task Processing
81
Software Compatibility
81
RLLP Summary
82
DMD2401 Opcode Command Set
83
Modulator Command Set
84
Demodulator Command Set
85
Detailed Command Descriptions
86
DMD2401 Modulator
86
Module Command Set
86
DMD2401 Demodulator
106
Module Queries & Commands
128
Default Values Modulator
134
Default Values Demodulator
136
Terminal Port User Interface
138
AC Power Input/Switch
140
DC Power Input/Switch
140
Section 5 - Electrical Interfaces
140
DMD2401 with RS-422/-449 Data Interface
141
Ext Clk (J3)
141
Ext Ref in (J2)
141
Rcv if in (J1)
141
Terminal (J5)
141
Xmit if out (J4)
141
Alarm (J6)
142
Async Port Configuration Switches
173
As/3771 Daughter Card
174
As/4803 Daughter Card
175
Dmd2401 Fault Philosophy
176
Periodic Maintenance
176
Section 6 – Maintenance
176
Troubleshooting
176
Active Alarms
177
Alarm Masks
177
Dmd2401 Fault Tree Matrices
177
Latched Alarms
177
Major Alarms
177
Minor Alarms
177
Dmd2401 Bit Error Rate (Ber Curves)
179
Interpreting the Matrices
179
Dmd2401 Agc Curve
182
Demodulator Specifications
184
Modulator Specifications
184
Section 7 – Technical Specifications
184
Transmit and Receive Data Rates
184
Monitor and Control
186
5 DMD2401 Connections
140
Appendix A – Reed-Solomon Codes
188
Appendix B - Carrier Control
198
B.0 States
198
B.1 Description
198
Section 8 – Appendices
188
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