Digi Connect Series User Manual

Digi Connect and ConnectPort TSFamily features Network connectionsand data paths
Digi Connect Family and ConnectPort TSFamily
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n
RealPort: Asingle TCPconnection manages(potentially) multiple serial ports.
n
Modem emulation, also known as pseudo-modem (pool): ATCPconnection to the “pool”
port isinterpreted as an incoming call to an available pseudo-modem in the“pool” of available
port numbers.
n
rsh: Digi Connect and ConnectPort TSFamily products support a limited implementation of
the remote shell (rsh) protocol, in that a single servicelistens to connections and allowsa
command to be executed. Only one class of commands is allowed: a single integer that
specifieswhich serial port to connect to. Otherwise, the resulting connection is somewhat
similar to a reverse telnet or reverse socket connection.
n
DialServ: Connecting a DialServ device to the serial port. DialServ simulates a public switched
telephone network (PSTN) to a modem and forwards the data to the serial port. The Digi
device sendsand receives the data over an IPnetwork.
n
Reverse SSH: An encrypted TCP socket isavailable for each port that provides a direct
connection to the designated serial port.
n
Reverse telnet: Atelnet unencrypted socket isavailable for each serial port that providesa
telnet styleconnection directly to theserial port.
n
Raw TCP: Araw TCPunencrypted socket isavailable for each serial port that providesan 8-bit
clean connection to the serial port
n
TLS/SSL: An TLS/SSL encrypted raw TCPsocket isavailable for each serial port that provides
an 8-bit clean connection to the serial port.
Network servicesassociated with the command-line interface
Thefollowing list details network servicesassociated with the command lineinterface (CLI).
n
Telnet: Use telnet to directly access a Digi Connect and ConnectPort TSFamily command-line
interface.
n
Rlogin: Perform a remote login (rlogin) to a Digi Connect and ConnectPort TSFamily
command-line interface.
Network/serial clients
Anetwork/serial client connection occurs when a Digi Connect and ConnectPort TSFamily product
initiates a network connection or opensa serial port for communication. There areseveral categories
of network/serial client connections:
n
Autoconnect behavior client connections
n
Command-line interface(CLI)-based client connections
n
Modem emulation (pseudo-modem) client connections
Autoconnect behavior client connections
In client connections that involve autoconnect behaviors, a Digi Connect and ConnectPort TSFamily
product initiates a network connection based on timing, serial activity, or serial modem signals.
Autoconnect-related client connections include:

Digi Connect Series Specifications

General

Brand	Digi
Model	Connect Series
Category	Network Router
Language	English