How to fix PWR LED Off on Ceragon Transmitter?
- BBryan RiggsSep 12, 2025
If the PWR LED is off on your Ceragon Transmitter, check that power is connected to the IDU.

How to fix PWR LED Off on Ceragon Transmitter?
If the PWR LED is off on your Ceragon Transmitter, check that power is connected to the IDU.
What does STBY LED Red Orange mean on Ceragon Transmitter?
If the STBY LED is red orange on your Ceragon Transmitter, it indicates MHS mode Primary with Link state not active, or MHS mode Secondary with Link state active.
What does SVC LED Orange Red Off mean on Ceragon Transmitter?
If the SVC LED is orange, red, or off on your Ceragon Transmitter, an alarm has been detected at the Site B interface, or a Local or Remote loopback Alarm has been detected at the Site A interface Ethernet only IDU, or E1/T1 is not configured.
| Product Type | Wireless Access Point |
|---|---|
| MIMO | 2x2 MIMO |
| Security | WPA2, WPA3 |
| Modulation | QPSK, 16QAM, 32QAM, 64QAM, 128QAM, 256QAM |
| Encryption | AES |
| Power Supply | 48V DC |
| Operating Temperature | -40°C to +65°C (-40°F to +149°F) |
Introduces the FA4800 system, its features, applications, and release notes.
Details the process of planning and surveying a link site for optimal installation.
Outlines the requirements and procedures for installing hardware components like ODU and IDU.
Guides the user through installing and launching the FibeAir2000 Manager software.
Details the step-by-step process of installing a wireless link using the wizard.
Describes the main window interface of the FibeAir2000 Manager and its components.
Explains how to reconfigure parameters and fine-tune an operational wireless link.
Details how to configure site-specific parameters for each side of the link.
Covers monitoring the link and performing diagnostic operations like loopback tests.
Explains the concept and implementation of Hub Site Synchronization (HSS) for collocated units.
This chapter is reserved and contains no specific content.
Guides the installation of the Ceragon Monitored Hot Standby (MHS) system for link redundancy.
Describes the functionality and topologies of Ceragon Ethernet Ring protection mechanisms.
Explains how to configure and use VLAN tagging for network traffic management.
Details the procedure for upgrading the software (firmware) of installed ODUs.
Outlines the installation procedure for FCC/IC links using Dynamic Frequency Selection (DFS).
Provides instructions for mounting ODU units on poles and walls using the provided kit.
Details essential guidelines for lightning protection and grounding of equipment to prevent damage.
Explains how to assign an IP address to an ODU before installation for network configuration.
Describes how to change the factory default radio frequency band for ODUs.
Explains how to use the utility for calculating expected link performance and range.
Describes the procedure for enabling and using Quick Install mode for service suspension.
Explains the concept and installation of cascaded links for multi-hop configurations.
Details the activation and configuration procedure for BRS links.
Describes the Ceragon Video Surveillance solution and its installation process.
Contains technical specifications for major link components like ODU and IDU.
Provides detailed pinouts and specifications for ODU-IDU cables and connectors.
Details the support and types of Small Form-factor Pluggable (SFP) transceivers for IDU-C.
Describes the Management Information Base (MIB) structure and parameters for network management.
Details the specifications for external alarm inputs and outputs on IDUs.
Provides safety distances related to RF exposure for different product models and regions.
Includes regional safety procedures and installation advice specific to French Canadian regions.
Provides details and specifications for older versions of the IDU-E unit.