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BOCA PRO16 Reference Guide
S REGISTER MEANING
45 V.22bis EQM Threshold Value
S Register 45 is used to define the EQM (Eye Quality Monitor) value the
modem will tolerate before initiating an equalizer retrain sequence. This
S Register applies to V.22bis only.
By setting this register with a low value, the modem will demand a high
quality connection. Setting a high value will allow the modem to operate
on degraded lines without invoking retrains. A value of zero will disable
automatic EQM retraining for V.22bis.
FThe value in this register should only be altered by people with
previous EQM experience. Changing the EQM value will affect the
data throughput and reliability of connections.
Default 98
Example
ATS45=5 Set EQM threshold to 5. If EQM level is equal to or greater
than 5, the modem will retrain the connection.
Range 0-255
S REGISTER MEANING
62 V.42 Detection Timer
S Register 62 allows you to set the V.42 detection timer. This specifies
how long (in units of 0.01 seconds) the modem will send a V.42 detection
pattern and wait for a V.42 detection pattern from the other modem.
The originating modem sends the pattern then waits for a reply, the
answering modem waits for the pattern then sends one in reply.
FChanging the value of this S Register may cause unreliable operation
when attempting V.42 connections.
Examples
ATS62=100 Set the timer to one second
Default 75 (0.75 seconds)
See Also
#J command V.42 compatibility
Range 0-255
S-Registers
S-Registers
pro16ref.pm6 6/14/96, 2:39 PM190
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