Moxa Technologies C218 user manual Moxa port responds too slowly or abnormal key operation

Models: C218

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UNIX

This section is specific for troubleshooting under UNIX. For general problems and solutions, please see previous Section "General Troubleshooting".

1.During system reboot, error message “WARNING! C218 Turbo/PCI (XX000;BusNo=X;DevNo=X) not found!” appears.

The possible cause is memory conflict or defective board. Please shutdown the system first, and then refer to the corresponding problem and solutions in previous Section “General Troubleshooting”.

2.During system reboot, error message “ERROR! C218 Turbo/PCI (MemBank=XX000) download failed!” appears.

The possible cause is memory conflict or defective board. Please shutdown the system first, and then refer to the corresponding problem and solutions in previous Section “General Troubleshooting”.

3.MOXA port responds too slowly or abnormal key operation.

The applications are not compatible with the C218 Turbo/PCI On-board line discipline. The only way to work it around is to set On-board line discipline feature to “Disable” in [Board] sub-menu of Advanced configuration (Section “UNIX” of Chapter “Software Installation”).

4.When respawning quite a few number of tty ports, the following error messages appear: “Time out table overflow”, “File table overflow”, “Region table overflow”.

The above error messages imply that the system resources are exhausted. You should tune the kernel parameters to a larger value and rebuild the kernel to be able to accommodate the new configuration. Refer to UNIX system manual about how to tune the parameters and rebuild kernel.

“Time out table overflow”:

NCALL parameter too small.

“File table overflow”:

NFILE or NINODE parameter too small.

“Region table overflow”:

NREGION or NPROC parameter too small.

6-4Intellio C218Turbo /PCI User's Manual

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Moxa Technologies C218 user manual Moxa port responds too slowly or abnormal key operation

C218 specifications

Moxa Technologies, a leader in the field of industrial networking and communication solutions, has made significant strides in enhancing operational technology with its C218 series of industrial Ethernet switches. The Moxa C218 is designed to meet the demanding requirements of industrial automation, ensuring robust performance and reliability in critical applications.

One of the standout features of the C218 series is its advanced networking capabilities. The switch supports Layer 2 switching functionality, which allows for efficient traffic management and improved network performance. With support for up to 8 Ethernet ports, the C218 can seamlessly connect multiple devices, ensuring that communication flows smoothly across the network.

The C218 is designed with resilience in mind, equipped with features such as redundancy support. It includes Rapid Spanning Tree Protocol (RSTP) and Media Redundancy Protocol (MRP), which minimize downtime and ensure continuous network operation even in the event of failures. These features make the C218 an ideal choice for mission-critical applications where reliability is paramount.

Another significant aspect of the C218 is its ability to withstand challenging environmental conditions. With an extended operating temperature range, the switch can handle extreme temperatures typical in industrial settings. Its ruggedized design protects against dust, moisture, and vibrations, ensuring that it performs consistently in harsh environments.

Security is a crucial consideration in modern industrial networks, and the C218 addresses this with built-in security features. The switch supports various authentication mechanisms and allows for VLAN configurations, helping to segment network traffic and protect sensitive data.

Moxa's C218 also provides convenience through its user-friendly management interface. It supports SNMP, allowing for simple network monitoring and management. Additionally, the switch's web-based management and command-line interface (CLI) make it easy for network administrators to configure and monitor the device efficiently.

In summary, the Moxa Technologies C218 switch is a reliable, feature-rich solution tailored for the industrial sector. With its excellent networking capabilities, robust design, environmental resilience, security features, and user-friendly management tools, the C218 is well-equipped to meet the demands of today's industrial automation challenges, helping businesses optimize their operations while ensuring network integrity.