
78
Helmholz Modem 56k 4.1
Dial pause time, if a comma is included in the dialing string. If there is a comma in
the dialing string, the modem will wait during the dialing procedure, until the time
specified in S8 (in seconds) has run out. The value of S8 can be between 1 and 7
seconds.
S9*
Reaction time carrier signal
DCD response time for the carrier frequency from the other modem. The DCD
output of the RS232 interface (CT109) of the modem switches to ON, when the
carrier frequency from the other modem is detected before the time defined in S9
(in tenth of seconds) runs out. S9 must be smaller than S10.
S10*
Time period between lost carrier signal and hang up
The time which leads to termination after carrier frequency loss. In S10, the time is
specified in tenth of seconds, which the modem awaits to disconnect, if it can’t de-
tect the carrier frequency from the other modem anymore.
S12*
Transmission clock of the ESC characters
Minimum pre and post run time and maximum interim time in 1/50 of seconds
between two characters. This must be observed, if the modem is supposed to detect
an abort sequence (u++).
S13*
Number of dialing attempts to send the message
Bit Meaning
Bit 0 – 3
Number of dialing at-
tempts
Range of values:
1...12
Default value: 3
S13 determines the number of attempts to send
the message.
Note:
The limitation to a maximum of 12
attempts is necessary for approval
purposes (black listing).
Bit 4 - 7
Reserved
S14*
General settings
Bit Meaning
Bit 0
Reserved
Bit 1
Echo on inputs
Command echo
0: Echo off
1: Echo on
Bit 2
Reserved
Bit 3
Result format
Result codes:
0: Message numbers
(
ATV0
)
1: Message texts (
ATV1
)
Bit 4
Reserved
Bit 5
Tone/pulse dialing
Tone/pulse
0: Tone dialing (
ATT
)
1: Pulse dialing (
ATP
)
Summary of Contents for 700-751-HSM11
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