To Next Page
D
douglasbaldwinJul 31, 2025
Why does my 4RF Aprisa XE show a TX Temp Warning?
- JjbaileyJul 31, 2025
The 4RF Radio transmitter power amplifier temperature is greater than 70°C.
Why does my 4RF Aprisa XE show a TX Temp Warning?
The 4RF Radio transmitter power amplifier temperature is greater than 70°C.
What causes Modem Lock on a 4RF Aprisa XE?
The terminal modem is not synchronized with the modem at the other end of the link.
Overview of steps for confirming path planning and site preparation before installation.
Steps for physically installing the terminal, including earthing and connections.
Procedure for establishing the communication link, including IP settings and RF configuration.
Steps for configuring traffic interfaces, cross-connections, and final tests.
Essential considerations for planning radio system paths, including antenna and link budget.
Guidance on choosing and positioning antennas for optimal system design.
Procedure for configuring basic terminal settings via the setup cable and HyperTerminal.
Procedure to change the terminal's default IP address using SuperVisor or SETUP port.
Guide on managing user accounts, including adding, disabling, and deleting users.
Details on how to set transmit/receive frequencies, power, and modulation.
Configuration options for Modem QPSK Coding and Modem Interleaver Mode.
Steps to configure DHCP or static IP addressing for the terminal.
Steps to configure port settings for remote and local terminals.
Configuration of Ethernet switch for VLAN tagging and Quality of Service (QoS).
Examples and methods for creating point-to-point and drop-and-insert cross connections.
Procedure for selecting and mapping individual bits, multiple bits, and timeslots.
Steps to configure radios for MHSB mode, including IP address setup.
Overview of steps required for commissioning the system after installation.
Procedure for aligning antennas to maximize signal strength and ensure link performance.
Detailed steps for precise antenna alignment using RSSI monitoring.
Key performance checks including receive input level, fade margin, and BER.
Methodology for checking and calculating the link's fade margin.
Procedures for upgrading terminal software remotely via TFTP or system files.
Step-by-step guide for performing terminal upgrades using a TFTP server.
Table correlating LED status and alarm conditions with possible causes.
Overview of steps for confirming path planning and site preparation before installation.
Steps for physically installing the terminal, including earthing and connections.
Procedure for establishing the communication link, including IP settings and RF configuration.
Steps for configuring traffic interfaces, cross-connections, and final tests.
Essential considerations for planning radio system paths, including antenna and link budget.
Guidance on choosing and positioning antennas for optimal system design.
Procedure for configuring basic terminal settings via the setup cable and HyperTerminal.
Procedure to change the terminal's default IP address using SuperVisor or SETUP port.
Guide on managing user accounts, including adding, disabling, and deleting users.
Details on how to set transmit/receive frequencies, power, and modulation.
Configuration options for Modem QPSK Coding and Modem Interleaver Mode.
Steps to configure DHCP or static IP addressing for the terminal.
Steps to configure port settings for remote and local terminals.
Configuration of Ethernet switch for VLAN tagging and Quality of Service (QoS).
Examples and methods for creating point-to-point and drop-and-insert cross connections.
Procedure for selecting and mapping individual bits, multiple bits, and timeslots.
Steps to configure radios for MHSB mode, including IP address setup.
Overview of steps required for commissioning the system after installation.
Procedure for aligning antennas to maximize signal strength and ensure link performance.
Detailed steps for precise antenna alignment using RSSI monitoring.
Key performance checks including receive input level, fade margin, and BER.
Methodology for checking and calculating the link's fade margin.
Procedures for upgrading terminal software remotely via TFTP or system files.
Step-by-step guide for performing terminal upgrades using a TFTP server.
Table correlating LED status and alarm conditions with possible causes.
General| Frequency Bands | UHF |
|---|---|
| Channel Sizes | 6.25 kHz, 12.5 kHz, 25 kHz |
| Channel Spacing | 6.25 kHz, 12.5 kHz, 25 kHz |
| Modulation | 4FSK, 16QAM |
| Interface | Ethernet, Serial |
| Operating Temperature | -40°C to +70°C |
| Power Supply | 10-30 V DC |
