Managing Networks Remotely And Efficiently

A terminal switch, also known as a serial port switch or console switch

, provides out of band access to various network devices. With this switch (which is actually a console, not a single switch as in electrical use) a network administrator can manage data centers or server farms via standard modems and serial port connections. This out of band access enables administrators to control multiple components and computers within a network even if that network happens to be down at the time.

Without shutting down any computers, this device allows the IT manager to check the status of other computers, manage the network's servers and diagnose then repair problems while the network is up and operating. From this remote location up to 32 devices can be accessed and managed. These 32 devices can differ in their band rates; character length and parity that still are controlled remotely. Remote network access is secure and highly convenient for managing resources. One IT administrator replaces the need for on-site technicians at each location. The networks care managed around the clock seven days a week.

Several terminal switch devices offer both administrator and user operation levels. Control can be simplified with device selection that is menu driven and programmable device names. The switch generates no unintentional "break signals" so it never unintentionally reboots any device. It can also be shut off without stopping the host computer. It manages serial devices including routers, switches, servers and telecommunications gear. The units are rugged and constructed of high quality steel. It connects to console serial ports by standard CAT cable adapters and cables (sizes, 5, 5e and 6) with up to 100 feet of cable. There are dual power options protecting the console switch in the event of a power failure with a redundant power system.

The administrator can individually access each port and configure or reconfigure it. The switch is controlled by push buttons on its front panel keypad, with integrated software that is menu-driven, or an optional Ethernet interface. It operates with port-specific passwords and names. The goal is to gain access to network services for maintenance, repair and reprogramming or updating without interrupting the service for the end-users. The network remains up without interruptions that slow or stop work.

The terminal switch is valuable for being able to download new firmware files. It saves the switch's configuration for restoration if needed. It also restores default configuration parameters to specific parts of the switch as needed without impacting other custom configuration parameters. The IT administrator uses it to view and modify user passwords (and their parameters) and port parameters. The manager also uses it for disconnecting and connecting users, administrators and passwords. It initiates the modem's connection s to local ports and inspects data that is buffered. Data-logs can be seen and/or deleted. It is an extremely cost effective way to manage serial devices remotely.

by: Hector Klein

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