Table of Contents
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Modem
A
Characteristic
Input command format
Output format
Dimensions
Power requirements
Environmental requirements
CertiÞcation
Characteristic
Dialer type
Pulse dialing
DTMF dialing
DTMF tone pair amplitude
difference
DTMF composite tone
transmit level
Input string storage
Answer back tone detector
Failed call timer
Billing delay
Call progress messages
A-4
MVME712-12/-13/A/AM/B Transition Modules and LCP2 Adapter Board UserÕs Manual
Table A-2. Technical Specifications (Continued)
Asynchronous; ASCII 10-bit or 11-bit upper- and
lowercase characters (including start, stop, and
parity bits). Accepts input gross start/stop
(switching) distortion up to 35%.
Same as input format; output character
distortion less than 3%.
L = 3.5 in.; W = 2.75 in.; H = .562 in.
+5 Vdc @ 100 mA maximum.
-12 Vdc @ 25 mA.
+12 Vdc @ 25 mA.
Operating: 0 to 65 degrees C.
Storage: -40 to 70 degrees C.
Relative humidity: 0 to 95% noncondensing.
FCC rules, part 68 certiÞed; DOC certiÞed for
Canadian use.
Table A-3. Autodialer Characteristics
Command selection of pulse or DTMF.
Pulse rate: 10 pulses per second +/- 10%
Duty cycle: 61% +/- 3% or 67% +/- 3%.
Per Bell DTMF speciÞcations.
Less than 4 dB.
-3 dBm +/- 2 dB into 600 Ohm termination.
Up to 40 commands.
Frequency 2100 or 2225 Hz, threshold:
-43 dBm +/- 3 dB.
Delay: 30 +/- 1 second.
Start: from last digit dialed (adjustable).
2 seconds following off-hook upon answer.
OK, connect, connect 600, connect 1200,
connect 2400, ring, no carrier, error,
no dial tone, busy, no answer.
SpeciÞcation
SpeciÞcation
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