Flexport HF2211 - Appendix B: Telnet Communication Function; Telnet Use Scene; Telnet Features; Telnet Usage

HF2211 Serial Server Device User Manual
http://www.iotworkshop.com - 63 -
APPENDIX B:TELNET COMMUNICATION
FUNCTION
B.1．Telnet Use Scene:
a）Remote management device
b）Remote management uart equipment
B.2．Telnet Features:
a）Telnet support echo mode,
b）Telnet only support one Client port.
c）Telnet port number is 23
d）Telnet connected with TCP, If Client port don’t transmit data in 300s, It will auto
disconnect.
B.3．Telnet Usage:
Telnet function default as ON, If can’t connect, Pls use webpage or configuration to check the
function is on or off.
a）Configure Secure CRT module and connect parameter, Equipment need to connect
with LAN, Can use equipment LAN IP to access , If need remote to access the
equipment, It need router have public IP address as port and mapped to internal
website, Then can remote access equipment.