CH1787 Ver la hoja de datos (PDF) - Cermetek Microelectronics
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CH1787 Datasheet PDF : 14 Pages
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Cermetek Microelectronics, Inc.
Default Status, Performance, and Specs Default
Configuration Profile
Async mode selected
2400bps
Bell 212A operation at 1200bps
Even parity
Auto answer disabled
Command echo ON
All result codes enabled- extended
Wait for dial tone before dialing - 2 seconds
Detects busy signal
Full word result codes
Pulse dial make/break ratio = 39/61
DSR enabled
Modem enabled DTR
DCD enabled
Speaker enabled but off when receiving carrier
Speaker volume set to medium
Local modem will grant RDL request from remote
modem
Guard tones disabled
Minimum DTR pulse width = 0.1 seconds
Ring count – 01 (CH1786)
Escape code character = 43
Carriage return character = 13
Line feed character = 10
Back space character = 08
Duration of wait for dial tone = 02 seconds
Duration of wait for carrier after dialing = 30 seconds
Duration of deal pulse (comma) = 02 seconds
Carrier detect response time = 0.1 seconds
Escape code guard time = 1 second
Length of use after comma = 2.0 seconds
Last carrier to hang up delay = 0.1 seconds
DTMF interdigit delay = 0.1 seconds
DTMF Attenuation = -4dB
Sleep mode inactivity time = 5 seconds
Long space disconnect disabled
CH1787 Small Footprint Hardware Controllable 2400bps Modem
2002 Cermetek Microelectronics, Inc.
Page 11
Document No. 607-0002 Revision B (03/02)
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