Typical Applications; Managing Remote Serial Devices Through Serial Interface - Raisecom Gazelle S1503i User Manual

Raisecom
Gazelle S1503i (A) User Manual
TCP Client mode
In TCP Client mode, the Gazelle S1503i will actively connect the TCP Server interface, such
as, PC server and remote terminal, after being started normally. When TCP connection is
established, the Gazelle S1503i can receive or send data through the serial interface.
UDP mode
In UDP mode, devices on the two ends need not to be connected in advance for point-to-point
and point-to-multipoint transmission since they send/receive data by adopting the
connectionless UDP protocol.
TCP Realport mode
The serial server maps the serial interface on the Gazelle S1503i to the virtual serial interface
of the local host through the serial interface drive program (rcVirtualCom). The user terminal
software uses the virtual terminal just like the real serial interface of the local host. Therefore,
all software or communication modules running on the original serial interface device can be
used directly without any modification.
Reverse Telnet mode
In Reverse Telnet mode, the serial server acts as the Telnet Server. In general, the serial
interface of the serial server is connected to the Console interface of the serial device. After
the management device establishes Telnet communication with the serial server, the serial
server will transfer communication data to serial data for transmission to the sub-serial device.
In this case, the management device can log in to the serial server through Telnet to manage
the sub-serial device.
RFC2217 mode
The RFC2217 includes the general serial interface control option based on the Telnet protocol.
In RFC2217 mode, you can remotely log in to the Gazelle S1503i through the terminal and
check or configure serial interface parameters of the device.

4.3 Typical applications

The serial server can work in different scenarios to realize bidirectional transparent
transmission of serial data and IP data as well as immediate networking feature of the serial
device.

4.3.1 Managing remote serial devices through serial interface

As shown in Figure 4-1, you can manage the remote device by configuring the serial interface
of the switch to RS-485 interface in half duplex mode without changing interfaces of the user
terminal and remote device.
Raisecom Technology Co., Ltd.
4 Serial server
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