RF 232C-868FR1, Quick Setup Manual

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DS232-4 June ’04 ©2004 Reg. No. 227 4001, ENGLAND Page 11
RS232 R
ADIO
M
ODEM
232C-868FR1
R/W S212 Parity Indicates the parity on the serial link:
'1' -> No parity (default value)
'2' -> Even Parity
'3' -> Odd Parity
R/W S213 Number of
Stop Bits Number of Stop bits on the serial link:
'1' -> 1 Stop bit (default value)
'2' -> 2 Stop bits
R/W S214 Time-out Time-out in milliseconds on the serial link. Valid between 2 and 100
milliseconds.
Default value: 5 ms
R/W S216 Flow Control Indicates the flow control mode:
‘0’ -> RTS/CTS
‘2’ -> None (Default value)
R/W S218 Buffer size Indicates the maximum size of frames. When this maximum size is
reached, the modem switches the CTS signal.
Valid between 30 and 245 bytes.
Default value: 245 bytes
Operation
Access Register Name Description
Indicates the operation mode of the modem.
'1' -> Transparent (Default value)
'3' -> Transparent Secured
'6' -> Master I/O
'7' -> Slave I/O
'9' -> Addressed Secured
‘10’ -> Demo mode – master
R/W S220 Operating
Mode
‘11’ -> Demo mode – slave
R/W S221 Autorepeat Indicates auto-repeat status in transparent mode (i.e. whether the
modem automatically replies a data frame)
’0’ -> Autorepeat off (Default value)
‘1’ -> Autorepeat on
R/W S223 Number of
Retries Indicates the maximum number of retries when a message contains
errors in secured mode. Valid between 0 and 255 (modulo 256). If the
value is ‘0’, frames are not checked and considered as good (used for
tests).
Default value: 2
Addressed Management
Access Register Name Description
R/W S250 Network
Number Indicates the network number using 2 bytes. Only
members of the same network can communicate
together. Valid between 0 and 65535 (modulo 65536), it is set to ‘0’
when the modem is not initialised.
NB: Setting S250 to ‘0’ also sets S252 to ‘0’.
Default value: 0