Sierra Wireless AirLink RV50 Series User Manual page 265

Table 11-1: Serial Port Configuration > Port Configuration
Field
Port Configuration
Serial Port
Startup Mode Default
login Reverse Telnet
Configure Serial Port
Flow Control
Rev 1 Dec. 17
Description
This field allows you to disable the serial port. Default is Enable.
Default power-up mode for the serial port. When the AirLink gateway is power-cycled, the
serial port enters the communication mode specified.
Note: It can take up to 5 minutes to establish a connection.
Normal (AT command) default
•
PPP
•
UDP
•
TCP
•
Reverse Telnet/SSH—Allows you to telnet or SSH into a router or other device
•
connected to the AirLink gateway via a serial port. For information on configuring
reverse telnet, see Reverse Telnet/SSH
Modbus ASCII
•
Modbus RTU (Binary)
•
BSAP—Bristol Standard Asynchronous Protocol
•
Variable Modbus
•
UDP Multiple Unicast—Data from the serial port is packed into UDP packets and sent
•
to multiple IP addresses (for example, multiple AirLink gateways). For more infor-
mation, see UDP Multiple Unicast
You can also use an AT command to configure this field. See
This field only appears when the Startup Mode Default field is set to Reverse Telnet/SSH.
Determines the log in procedure when using reverse telnet.
Enable—Do not enter a user name and password when you telnet to a router or other
•
device that has a serial connection to your AirLink gateway. Log in is automatic.
(default)
Disable—Enter a user name and password when you telnet to a router or other
•
device that has a serial connection to your AirLink gateway.
For more information about reverse telnet, see
Format: [speed][data bits][parity][stop bits]
Valid speeds are 300–115200, data bits: 7 or 8, parity: O,E,N,M, stop bits: 1,1.5.
Default is 115200,8N1.
You can also use an AT command to configure this field. See
Serial port flow control setting
None—No flow control is being used (default)
•
Hardware—RTS/CTS hardware flow control is being used
•
Transparent SW—Transparent software flow control. Uses escaped XON and XOFF
•
for flow control. XON and XOFF characters in data stream are escaped with the @
character (0x40). @ in data is sent as @@.
You can also use an AT command to configure this field. See
265
on page 267.
on page 270.
MD
Reverse Telnet/SSH
S23
\Q on page 461.
Serial Configuration
on page 454.
on page 267.
on page 462.
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