User manual

26: Terminal Server

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# Used for USB serial card. Value of idle character (decimal) to

transmit in case of TX underrun (0 to 255)

# in HDLC mode configures inter-frame fill: set to 0 to transmit 0s,

255 to transmit 1s, 126 to transmit flags

option sync_tx_idle 126

# Invert RTS in auto-RTS mode (if portmode is 'rs485')

option rtsinvert '0'

# 1=send IAC WILL ECHO Telnet option to remote client forcing it to

disable local echo (for server mode only)

option disable_echo 0

# 1=enable support for Telnet COM port control (RFC2217)

option com_port_control 0

# 1=half duplex mode; 0=full duplex mode

option hd_mode 0

# in RS232 half duplex mode, time in milliseconds between raising RTS

and enabling the transmitter

option rts_timeout 30

# in RS232 half duplex mode, time in milliseconds between dropping RTS

(transmission finished) and enabling the receiver

option post_rts_timeout 20

# when used with V.23 modem driver, (set portmode 'v23'), transmit

samples are multiplied by this value

option v23_tx_gain '2'

# when used with V.23 modem driver, (set portmode 'v23'), received

samples are divided by this value

option v23_rx_loss '1'

# when used with V.23 modem driver, (set portmode 'v23') V.23 modem's

RTS to CTS delay in milliseconds

option v23_rts_to_cts_delay '20'

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GW1000 Series User Manual

Issue: 2.4 Page 190 of 255