Filter
Top Products
Hermes Operator Note Page 22 of 32
4.19 Frame Synch Tolerance (AT S166)
Note: engineering function only.
This command controls a receive function within the FX929 modem IC within
the modem.. The command format is as follows:
AT S166=n<CR><LF>
Where: n = 0 0 mismatches allowed in frame synch.
pattern
n = 1 2 mismatches allowed in frame synch.
pattern
n = 2 4 mismatches allowed in frame synch.
pattern
n = 3 6 mismatches allowed in frame synch.
pattern
Default: n = 0 0 mismatches allowed in frame synch.
pattern
Read AT S166?<CR><LF>
Read Return: n<CR><LF>
Example: AT S166=2<CR><LF> sets 4 mismatches allowed
4.20 Invert Symbol (AT S167)
Note: engineering function only.
This command controls the polarity of the transmit and receive audio
between the FX929 modem IC and the transceiver and allows for different
transceivers to be used with the modem. The command format is as follows:
AT S167=n<CR><LF>
Where: n = 0 RX non-inverted and TX non-inverted
n = 1 RX non-inverted and TX inverted
n = 2 RX inverted and TX non-inverted
n = 3 RX inverted and TX inverted
Default: n = 0 RX non-inverted and TX non-inverted
Read AT S167?<CR><LF>
Read Return: n<CR><LF>
Example: AT S167=1<CR><LF> RX non-inverted and TX
inverted