Radyne DMD15 IBS Manuals

Manuals and User Guides for Radyne DMD15 IBS. We have 1 Radyne DMD15 IBS manual available for free PDF download: Installation And Operation Manual

Radyne DMD15 IBS Installation And Operation Manual

Radyne DMD15 IBS Installation And Operation Manual (201 pages)

Radyne, Inc. user guide Modem Installation DMD15, DMD15L

Brand: Radyne | Category: Modem | Size: 1.28 MB

Table of Contents

Table of Contents
8
Section 1 - Introduction

14
- 16QAM Modulation
  15
- 8PSK Modulation
  15
- Analog AGC Voltage
  15
- Drop and Insert (D&I)
  15
- Earth Station-To-Earth Station (ES-ES) Communications
  15
- Internal Engineering Service Channel (ESC)
  15
- OM73 Compatible
  15
- OQPSK Modulation
  15
- Sequential Decoding
  15
- Turbo Codec
  15
- Back Panel Options
  16
- Customized Options
  16
1 Description

14
- DMD15/DMD15L Available Options
  14
- Internal High Stability
  14
- Reed-Solomon Codec
  14
Section 2 - Installation

18
- Unpacking
  18
- DMD15/DMD15L Initial Configuration Check
  19
- Mounting Considerations
  19
- Initial Power-Up
  20
- Modulator Checkout
  20
- DMD15/DMD15L Functional Block Diagram
  22
2 Installation Requirements

18
- Removal and Assembly
  18
Section 3 - Operation

22
3 Theory of Operation

22
- Universal Interface Module (UIM)
  24
- Interface
  25
- Synchronous Interface
  25
- (Async Port J9)
  26
- Earth Station to Earth Station (ES-ES) Communications Port
  26
- Modem Status
  26
- Terrestrial Loopback
  26
- Baseband Processing
  29
- Baseband Processor Card
  29
- Tx Baseband Processing
  29
- Asynchronous Serial Port #1
  30
- Clock Selection
  30
- Monitor & Control (M&C) Subsystem
  30
- Rx Baseband Processing
  30
- Serial Port #2
  30
- Serial Port #3
  30
- Clock
  31
- Front Panel Interface
  31
- Modulator
  31
- Non-Volatile RAM
  31
- Program Flash ROM
  31
- Ram
  31
- Universal Modem
  31
- Watchdog Timer
  31
- BAL EXC: Balanced External Clock
  32
- BNC EXC: BNC External Clock
  32
- Demodulator
  32
- DMD15/DMD15L Clocking Options
  32
- EXT EXC: External Clock
  32
- SCT: Serial Clock Transmit
  32
- SCTE: Serial Clock Transmit External
  32
- EXT CLK as TX Clock Source (RS-422 or V.35 Interface)
  33
- EXT if REF: External if Reference
  33
- IDI: Insert Data in
  33
- Interface
  33
- Receive Timing
  33
- SCR: Serial Clock Receive
  33
- SCT or SCTE
  33
- Transmit Timing
  33
- Drop and Insert (D&I)
  34
- Interface or Asymmetrical Data Rates
  34
- Loop Timing
  34
- Receive
  34
- Transmit (RS-422 or V.35 Interface)
  34
- Drop Only
  36
- Insert Only
  36
- Mode Selection
  37
- Pcm-30C
  37
- Multidestinational Systems
  38
- Pcm-31C
  38
- T1-D4/T1-D4-S
  38
- T1-Esf/ T1-Esf-S
  38
- Drop and Insert Mapping
  39
- Interleaving
  41
- Operation in the DMD15/DMD15L
  41
- Reed-Solomon Code Rate
  41
- Reed-Solomon Codec (Refer to Figures 3-14, 3-15, and Table 3-1)
  41
- DMD15 Automatic Uplink Power Control (AUPC Operation)
  43
- Asynchronous Framing/Multiplexer Capability
  45
- DMD15 Asynchronous Overhead Operation
  45
- Asynchronous Multiplexer Mode
  47
- ESC Backward Alarms
  47
- Standard IBS Mode
  47
- Reacquisition
  48
- To Disable the ESC Backward Alarms
  48
- Front Panel User Interface
  52
Section 4 - User Interfaces

52
4 User Interfaces

52
5 Dmd15/Dmd15L Connections

154
- Section 5 – Electrical Interfaces
  154
- Ac Power Input Module
  155
- DC Power Input Module
  155
- Power Inputs
  155
  - Ddo (J)
    156
  - Ext Clk (J5) – Synchronous Interface Only
    156
  - IDI Exc (J)
    156
  - Rd (J)
    156
  - Rx (J)
    156
  - Sd (J)
    156
  - Tx (J)
    156
  - Sync Data (J)
    157
  - Async (J)
    158
  - Status (J)
    159
  - Remote (J)
    160
  - Terminal (J)
    160
  - Esc 8K Data (J)
    161
  - Esc Alarms (J)
    162
  - Esc Voice (J)
    162
  - Switch (J)
    163
- Dmd15/Dmd15L Fault Philosophy
  168
6 Periodic Maintenance

168
- Section 6 – Maintenance
  168
- Troubleshooting
  168
- Active Alarms
  169
- Alarm Masks
  169
- Dmd15/Dmd15L Fault Tree Matrices
  169
- Latched Alarms
  169
- Major Alarms
  169
- Minor Alarms
  169
- Ibs Fault Conditions and Actions
  171
- Interpreting the Matrices
  171
- Demodulator Specifications
  174
7 Modulator Specifications

174
- Section 7 – Technical Specifications
  174
- Dmd15/Dmd15L Drop and Insert (Optional)
  175
- Monitor and Control
  175
- Plesiochronous Buffer
  175
- Terrestrial Interfaces
  176
- Universal Interface
  176
- Dmd15 Data Rate Limits
  177
- Dmd15 Ber Specifications
  178
- Section 8 – Appendices
  184

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