GDI 4xxSA Modem Manuals

Manuals and User Guides for GDI 4xxSA Modem. We have 1 GDI 4xxSA Modem manual available for free PDF download: User Manual

GDI 4xxSA User Manual

GDI 4xxSA User Manual (20 pages)

Stand Alone FSK Modem

Brand: GDI | Category: Modem | Size: 0.21 MB

Table of Contents

Table of Contents
2
Modem Basics

4
- Communication Sequence of Events
  5
- The Pole
  5
- The Response
  6
Introduction to the 4Xxsa Series of Modems

7
- Model 4Xxsa Modems
  7
- The KOD Option
  7
- Front, Rear and Bottom Panels
  
  8
- Front Panel
  
  8
  - Front Panel Led's
    8
- Rear Panel
  
  9
  - Dual Data Ports
    9
  - Copper FSK
    9
  - Power Connections
    9
- Bottom Panel
  
  10
  - DIP Switches
    10
    
    Full or Half Duplex
    10
    
    RTS to CTS Time
    10
    
    Carrier Turn off Time
    10
    
    Local Echo
    10
    
    Receiver Squelch Time
    10
    
    Carrier Detect
    10
    
    Load Compensation
    11
    
    KOD Function
    11
    
    KOD Direction
    11
    
    KOD Delay
    11
    
    Anti-Streaming
    11
- Data Protocol
  
  11
  - Rs232
    11
  - Rs422
    11
Applications

12
- Half Duplex Operation (2 Wire)
  12
- Full Duplex Operation (4 Wire)
  13
- Modems with the KOD Option Installed
  14
  - Internal KOD
    14
  - External KOD
    14
  - KOD Applications
    15
  - More Applications
    16
- Repeater Applications
  17
- A Word on Dynamic Range
  18
- Notes
  19

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