Westermo RM-455U-D - Manual (Page 81)

455U-D Radio Modem User Manual
Page 82 © May 2010
S12 = 5 No response to dial request to remote modem.
S12 = 6 “BUSY” response from remote modem on dial request.
S12 = 7 Character received from host while attempting to connect
S12 = 8 Hang-up from remote modem.
S13 0-255 Spare Function Not Implemented
S14 0-255 Max Packet (0–1020
bytes) Max Packet size = S14 x 4. Default 255.
S15 0-255 Break Length
(Not Implemented)
Minimum time to send “BREAK” signal. Units 20
milliseconds.
S16 0-255 Transmit Hold-off
(0-12.75 Sec)
How long to disable transmitting after transmitting a
message (Units 50 milliseconds)
S17 0-255 Receive Hold-off
(0-12.75 Sec)
How long to disable transmitting after receiving a
message (Units 50 milliseconds)
S18 0-255 RS-232 Serial Rx
Buffer Threshold This register indicates the number of characters to be
received into the RS-232 serial receive buffer before
beginning radio transmission. (default 0)
S19 0-255 RS-232 Serial Rx
Timeout If there is data in the RS-232 serial receive buffer, and
no data is received on the serial port for this time,
radio transmission will begin regardless of the setting
of S18. A value of zero disables the timeout, so the
modem will not transmit until there are at least S18
characters in the receive buffer.
S20 0-255 RS-485 Serial Rx
Buffer Threshold This register indicates the number of characters to be
received into the RS-485 serial receive buffer before
beginning radio transmission.
S21 0-255 RS-485 Serial Rx
Timeout If there is data in the RS-485 serial receive buffer, and
no data is received on the serial port for this time,
radio transmission will begin regardless of the setting
of S20. A value of zero disables the timeout, so the
modem will not transmit until there are at least S20
characters in the receive buffer
S22 0-255 Default System
Address – High Byte
System address is set to this value when factory
defaults restored. This register is not affected by the
AT&F command.
S23 0-255 Default System
Address – Low Byte
System address is set to this value when factory
defaults restored. This register is not affected by the
AT&F command.
S24 0-255 System Address –
High Byte The 16-bit system address uniquely identifies the
radio network