A single USB Serial device can be used to establish a serial link to a host port on the router. The USB Serial device can also be accessed by running “serial” from an SSH session.
Telnet to Serial Configuration
- Enabled: Enabling Telnet to Serial will start a Telnet server that passes its connection to the serial adapter. Enabling this service is not necessary when accessing serial through SSH.
- LAN: Enable serial redirector for LAN connections.
- Authenticated LAN: Enable serial redirector for Authenticated LAN connections. You must be logged into the router to use the redirector.
- WAN: Enable serial redirector for WAN connections.
- Server Port: Enter a port number for the redirector to use. (Default: 7218)
USB Serial Adapter Configuration
- Baud Rate: Select from the dropdown list.
- Byte Size: The number of bits in a byte. Select from: 5, 6, 7, and 8.
- Parity: Change this value to enable parity bit checking. Select from the following dropdown options:
- None: No parity checking. (Default)
- Even: parity bit will always be even.
- Odd: parity bit will always be odd.
- Mark: parity bit will always be odd and always 1.
- Space: parity bit will always be even and always 0.
- Stop Bits: Number of bits to initiate the stop period. Select from these dropdown values: 1, 1.5, and 2.
- Hardware (RTS/CTS): Use RTS (Request To Send)/CTS (Clear To Send) to enable flow control.
- Software (XON/XOFF): Use XON/XOFF to enable flow control.
- Linefeed: Select how you want linefeeds translated (CR = carriage return and LF = line feed).