Digi X2 User Manual
Page 235
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Routers can route data packets to/from other nodes
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Can be a data packet source and destination
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Are mains-powered
RSH
See remote shell.
RSSI
Relative Signal Strength Indicator.
RTS
Ready to Send.
RXD
Receiving Data.
Secure Sockets Layer (SSL)
A commonly-used protocol for managing the security of a message transmission on the
Internet. SSL has recently been succeeded by Transport Layer Security (TLS), which is
based on SSL.
serial bridge
A connection between two serial devices over a network that acts as if they were
connected over a serial cable. Also known as serial tunneling.
serial tunneling
See serial bridge.
Setup Wizard
See Digi Device Setup Wizard.
Simple Mail Transfer Protocol (SMTP)
A TCP/IP protocol used in sending and receiving e-mail. Since it is limited in its ability
to queue messages at the receiving end, it is usually used with one of two other
protocols, POP3 or IMAP, that let the user save messages in a server mailbox and
download them periodically from the server. SMTP usually is implemented to operate
over Internet port 25. An alternative to SMTP that is widely used in Europe is X.400.
Many mail servers now support Extended Simple Mail Transfer Protocol (ESMTP),
which allows multimedia files to be delivered as e-mail.
Simple Network Management Protocol (SNMP)
A protocol for managing and monitoring network devices. The SNMP architecture