Need help?Do you have a question about the Datum Systems PSM-500L and is the answer not in the manual?
Overview of the PSM-500 Series VSAT/SCPC Satellite Modems, their capabilities, and manual.
Details on the various IF interface versions and upgradeable feature sets offered for the PSM-500.
Representative forms of satellite communications links and networks where the PSM-500 modem series may be used.
Description of the main functional elements arranged on the PSM-500 modem's electronic assemblies.
Explanation of the PSK/QAM modulator's digital modulation scheme and signal processing.
Details on the direct conversion demodulator techniques for data recovery from incoming carriers.
Discussion of the possible sources for bit rate timing for both the modulator and demodulator.
Overview of the single microprocessor managing monitor, control, and communications functions.
Details on the DSP managing receive signal acquisition and lock functions for fast acquisition.
Description of the standard interfaces built onto the main PWB and driver/receiver capabilities.
Explanation of the multiplexer's capability to multiplex overhead channels onto the terrestrial data stream.
Information on the two card slots for FEC function boards and available FEC technologies.
Details on the modem's capability to accept optional interface cards like Ethernet (SnIP) and HSSI.
Overview of the modem's circuit implementation using DSP and FPGA for direct modulation/demodulation.
Specifies the physical and environmental requirements for installing the PSM-500 VSAT/SCPC Modem.
Instructions for unpacking the PSM-500 Modem unit and verifying included items.
Guidelines for mounting the modem in an equipment rack, including ventilation and temperature.
Details on connecting the modem unit to various interfaces and external equipment.
Procedures for verifying the modem's operation after installation, including initial power-up.
Guide to using the front panel keypad and LCD for controlling and monitoring modem setup.
Instructions for controlling and monitoring the modem using a VT100 terminal.
Procedure for initiating the modem's built-in self-test mode to verify basic operation.
Description of the IF loop-back mode for testing modem operation with data.
Essential steps for configuring PSM-500 Modem operating parameters before service.
Information on configuring the modem's on-board circuitry for various interface types.
Instructions for installing Forward Error Correction (FEC) option daughter boards.
Methods for controlling PSM-500 modem operating parameters and monitoring status.
Tables detailing parameter matrices available from the PSM-500 front panel.
Using an external terminal or computer for full-screen interactive modem monitoring and control.
Controlling the PSM-500 modem via a packet-based message protocol using an external controller.
Descriptions for checking the full system operation and software running on the central processor.
Details on special L-Band features for controlling outdoor Block Up Converters (BUCs) and LNBs.
Discussion of modem clocking and options for VSAT or SCPC operation.
Explanation of the built-in logic for AUPC to maintain constant Eb/No by adjusting transmit power.
Details on the FIFO buffer's operation to compensate for cyclical variations in receive data rate.
Information on operating two modems in a 1:1 redundancy mode for automatic back-up protection.
How to use the PSM-500's built-in transmit and receive Bit Error Rate Test set.
Function to output analog voltage representing AGC level, Eb/No, or transmit output power.
Operator function to store current complete configuration in 8 numbered locations and recall them.
Feature for automatically recalling configurations upon loss of receive carrier.
Description of special controls built into the PSM-500 for specific customer systems.
Typical description of burst operations, controlled by interface RTS/CTS and data flag signals.
Information on periodic field maintenance procedures, unit adjustments, and fan service life.
Tests to verify proper performance of equipment in a link, including self-test and loop-back modes.
List of possible problems caused by modem failures or improper setup, arranged by symptoms.
Methods for updating modem software and firmware via internet or serial port.
Procedure for upgrading the modem's feature set using a special 16-digit unlock code.
Answers to common questions about setup, operation, compatibility, and troubleshooting.
General| Brand | Datum Systems |
|---|---|
| Model | PSM-500L |
| Category | Modem |
| Language | English |
To Next Page
