NPort 5000 Series User Manual
Ethernet Modem Mode (for the NPort IA5000/IA5000A, NPort
5000A, NPort 5000AI-M12, NPort 5100 Series only)
Web Interface for the NPort 5100 and IA5000 Series Only
Web Interface for the NPort IA5000A, 5000A, and 5000AI-M12 Series Only
Dial-in
The NPort listens for a TCP/IP connection request from the remote Ethernet modem or host. The NPort’s
response depends on the ATS0 value, as outlined below.
ATS0=0 (default):
The NPort will temporarily accept the TCP connection and then send the RING signal out through the serial
port. The serial controller must reply with “ATA” within 2.5 seconds to accept the connection request, after
which the NPort enters data mode. If no “ATA” command is received, the NPort will disconnect after sending
three “RING” signals.
ATS0≥0:
The NPort will accept the TCP connection immediately and then send the CONNECT <baud> command to
the serial port, in which <baud> represents the baudrate of the NPort’s serial port. After that, the NPort
immediately enters data mode.
Dial-out
The NPort accepts the AT command ATD <IP>:<TCP port> from the serial port and then requests a TCP
connection from the remote Ethernet Modem or PC. This is where <IP> is the IP address of the remote
Ethernet modem or PC, and <TCP port> is the TCP port number of the remote Ethernet modem or PC. Once
the remote unit accepts this TCP connection, the NPort will send out the CONNECT <baud> signal via the
serial port and then enter data mode.
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General
Weight and Dimensions
