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RT-ESE
External Serial Encrypter
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KEY FEATURES
• AES 128, 192, or 256 bit encryption
• NIST-CFB8
• Industrial rated temperature from -40 to +75 C
• Two asynchronous serial ports
• RS232 or RS422/RS485 4-wire
• RoHS compliant
• Port speeds to 56.7 Kbps
• Point-to-point and point-to-multipoint
• Use for streaming or polling data
• Easy to set up and maintain
• Configuration via serial or ethernet port
• Use with modems, DSUs, radios
• Compact size; stand-alone or rack mounting
• AC and DC power supply
• User name and password option for config access
• ROHS
DESCRIPTION
The RT-ESE is an industrial rated serial data encryption device featuring two serial ports; Com1 is clear text, Com2 is the encrypted data link. The RT-ESE uses AES 256-bit encryption, 128-bit block size. AES is the US Government standard. The RT-ESE is designed for use in serial applications where normal block encryption devices may not work. A fixed key design and self-synchronizing cipher eliminates the need for negotiation between the ESE devices and allows for use over unidirectional connections.
The RT-ESE provides an encrypted link between host and remote user sites. The two RS232 serial ports operate at asynchronous speeds as low as 300 bps and as high as 57.6 Kbps. The RT-ESE serial interfaces can be configured as RS232 or RS422/RS485 4-wire.
The RT-ESE may be used point-to-point, linking two separate remote sites with radios, lease lines or dial connection; one port used for the connection, the other port used for user equipment. The RT-ESE can also be used on point-to-multipoint links, such as SCADA polling applications. The RT-ESE can be used in unidirectional broadcast applications, both point-to-point or point-to-multipoint. The RT-ESE is especially attractive for use over multipoint radios where data privacy is desired.
The RT-ESE is straight-forward, easy to configure and maintain. Units may be configured via a serial port or using the Ethernet port, via telnet or a web browser. The RT-ESE is feature rich but simple to set up and operate.
The RT-ESE supports 7 or 8 bit user data. The link between the RT-ESE devices must be 8-data bit, i.e. 8 data bits, no parity, start and stop bit.
APPLICATION
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