To Next PageTo Next PageWhat to do if Comtech EF Data DMD1050TS Modem does not acquire the incoming carrier?
If the Comtech EF Data Modem fails to acquire the incoming carrier, take the following steps: * Check for an incorrect receive input to the modem. * Ensure the Receive Carrier Level is not too low. * Verify the Receive Carrier Frequency is within the acquisition range. * Check for an incompatible Transmit Carrier. * Exit Test Mode.
Details necessary precautions for installation, including ESD protection and planning for mounting and ventilation.
Explains the M&C system's role in monitoring and controlling modem functions via various interfaces and protocols.
Details the Enhanced Ethernet Interface, its Plug-n-Play capabilities, QoS features, and compatibility.
Covers the optional AUPC feature, its versions, and how it maintains constant Eb/No by adjusting power levels.
Identifies all connections made to labeled connectors on the Modem Board and lists the modem's assemblies.
Provides guidance on examining interface signals and common symptoms/causes of modem problems.
Lists and explains major and minor alarms for transmit and receive operations, along with their possible causes.
Details the data rate limits for Non-EBEM, EBEM, and Non-DVB modes across various modulations and code rates.
Presents Bit Error Rate (BER) performance graphs and tables for various modulations and coding schemes.
Introduces the chapter on configuring the interface using the Web Browser for the base modem and FIPS TRANSEC module.
Details IP administration tasks, including modem addressing, application configuration, and PC setup.
Provides instructions on how to access the TRANSEC Module's HTTPS interface via a web browser.
Describes the configuration page for managing active keys, future keys, encryption parameters, network settings, and credentials.
Outlines the step-by-step process for updating the TRANSEC Module's bulk firmware.
Explains the CLI's functionality, common features, navigation, and provides examples of prompts and error messages.
Instructs on using the terminal or web interface to upgrade the board modem software.
General| Operating Temperature | 0°C to +50°C |
|---|---|
| Interface | Serial (RS-232) |
| FEC | Viterbi, LDPC |
| Dimensions | 1.75" H x 19" W |
| Power Supply | 100-240 VAC, 50-60 Hz |
| Modulation | QPSK, 8PSK |
| Input Frequency Range | 950 MHz to 1950 MHz |
