Kvm Serial Console

User Manual

View all Blog Posts. View all Events. In general the choice between KVM and serial management has to do with the customer and how they want to manage the equipment and whether it has serial or KVM ports.

If the equipment only has a serial port like networking or telecom equipment then you would use serial.

For Linux servers you could use KVM or serial depending on the user's preference.

Quick Start Guides

For windows machines mostly KVM is used, but there is also a serial interface. Serial only provides a command line interface (CLI) so it doesn't require much IP bandwidth and can be very fast especially over low bandwidth lines. Serial console servers are less expensive because they are simpler devices.

Serial has some cool features where you can cut and paste to and from the server. It also can log the users session and monitor the system log even when the user isn't connected.

KVM over IP will take up more bandwidth, but provides a graphical user interface that is generally easier to use.

KVM provides access to the BIOS level. It also supports virtual media which is a very powerful feature to copy files back and forth, load software, and even boot an image remotely.

Package Contents

KVM is more expensive because it is more complicated. ATEN launches a new generation of Serial Console Servers, the SN91xxCO Series (SN9108CO / SN9116CO) With single power / LAN in the SN91xxCO models, they integrate cutting edge technologies to provide convenient installation, secure serial device access, easy management and comprehensive control for data centers.


The SN91xxCO Series features Cisco pin-outs and auto-sensing DTE/DCE function, providing a direct connection to Cisco network switches (and other compatible devices) without rollover cables for even more time-saving IT infrastructure deployment.

Software & Drivers

In addition, the SN91xxCO models support online detection of connected serial devices (including terminal blocks) for device status monitoring. A notification email alert will be sent to the administrator when connected devices are offline.Implemented with various security technologies such as TLS 1.2 data encryption, RSA 2048-bit certificates, configurable user permissions for port access and control, local/remote/third-party authentication and authorization, IP/MAC address filter, and FIPS 140-2 certified cryptography, the SN91xxCO serial console servers assure administrators the security for easy and high-level access.

For instance, access rights and privileges can be applied to 8/16 serial ports individually. Data encryption is provided to ensure that information and control are always protected.


Logging and alerting of system events help to quickly resolve issues and mitigate risks. While secured by the above examples, the consolidated password authentication simplifies management.The SN91xxCO Series is used to connect serial devices to an Ethernet network to allow access and control of demanding applications that manage industrial control, data acquisition, environment monitoring, remote facility operations and equipment management. Multiple operational modes are available to administrators including Console Management, Console Management Direct, Real COM Port, TCP Server/Client, UDP Server/Client, and Virtual Modem.With its, comprehensive features, the SN91xxCO Series helps to maximize IT productivity, increase scalability, as well as reduce installation and operational costs with easy and secure remote management of serial devices.

The serial console servers save you time and money by allowing administrators to manage their data centers from practically anywhere – minimizing travel and MTTR (Mean Time to Repair) costs, ensuring the highest availability for data center services. 1x SN9108CO Serial Console Server. 1x Mounting Kit. 1x Lok-U-Plug Installation Tool. 1x Foot Pad Set (4 pcs.).

1x User Instructions. Secure in-band and out-of-band remote serial console access. Browser access with an intuitive GUI. Terminal-based access with a menu-driven UI. Modem dial-in/dial-back/dial-out access. Auto-sensing DTE/DCE feature supports a direct connection to Cisco network switches (and other compatible devices) without rollover cables for more convenient IT infrastructure deployment.

Using the serial console for remote administration

Online/Offline detection of connected serial devices (including terminal blocks) – automatically send event notifications when the devices are offline (e.g. power failure) for device status monitoring. Response Check - checks the system status of the connected serial devices, and sends a notification if the check fails (e.g. Convenient and simple serial device access via selectable Telnet/SSH and third-party clients such as PuTTY. Easy port access via selectable ActiveX or Java serial viewer.

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