Cermetek CH1794 Manual Download

Page: 11 / 19

Cermetek Microelectronics, Inc.

High Speed Modem and FAX Family



2003 Cermetek Microelectronics, Inc.

Page 11

Document No. 607-0003 Revision K3 (09/03)

If Problems Arise.

If any of your telephone

equipment is not operating properly, you should
immediately remove it from you telephone line, as it
may cause harm to the telephone network. If the
telephone company notes a problem, they may
temporarily discontinue service. When practical, they
will notify you in advance of this disconnection. If
advance notice is not feasible, you will be notified as
soon as possible.

When you are notified, you will be given the
opportunity to connect the problem and informed of
your right to file a complaint with the FCC. Contact
your local telephone service provider if you have any
questions about your phone. Line.

In the event repairs are ever needed on the (insert
your product name), they should be performed by
(insert your company name), or an authorized
representative or (insert your company name). For
information contact: (insert your company address).

DEFAULT STATUS, PERFORMANCE AND
SPECS

Prior to delivery, Cermetek installs into each HS
Modem the following default Configuration Profile:

Default Connect Speeds are 14,400bps, 33,600bps
and 57,600bps for CH1794, CH1799 and CH2056
respectively
Serial port data rate auto baud enabled
Bell 212A operation at 1200bps
Parity – none
Auto answer disabled
Command echo ON
All result codes enabled – except \REL codes
Wait for dial tone before dialing – 2 seconds
Dials with touch-tone (T)
Detects busy signal (ATX4)
Full word result codes – non-extended
Pulse dial make/break ratio = 39/61-10pps
Test timer set to 0 seconds, test modes disabled
Inactivity timer set to 0 minutes
CTS always active
DSR is ignored
DCD is ignored
RTS to CTS delay - .01 seconds
DTR always active – hang up after transition
Long space disconnect disabled
Speaker enabled but off when receiving carrier
Speaker volume set to low
Local modem will not grant RDL request from remote
modem
Guard tones disabled
Minimum DTR pulse width = .05 seconds
Ring count – 00
Escape code character = 43 (+)

Flash to on hook = 70 msec
Auto speed detection enabled
DTE connect speed, connect messages
Back space character = 08 (BS) Carriage return
character = 13 (CR)
Line feed Character = 10 (LF)
Duration of wait for dial tone =2 seconds
Duration of wait for carrier after dialing = 50 seconds
Carrier detect response time = 0.6 seconds
Escape code guard time = 1 second
Length of use after comma = 2.0 seconds
Last carrier to hang up delay = 1.4 seconds
DTMF interdigit delay = .095 seconds
Auto sync address or address detection =0
Connection detected at DTE – Highest speed
38,400kbps
Auto retrain enabled – 30 seconds attempts
MNP error correction mode can be negotiated (&Q5)
MNP – non-extended service selected
MNP error correction block size is 128 characters
selected
Data compression – negotiation enabled
Transmit break length is 0.3 seconds
All breaks are transmitted in sequence with data
Serial port flow control enabled = RTS/CTS
XON/XOFF flow control characters selected

Note: Upon power-up the HS Modem will recall
user profile 0 which may override some of the
above Factory Defaults. If desired the user may, at
their option, save the factory defaults in user
profile 0.

Table 5A. Summary of Non-Extended Result
Codes.

Result Code Form

n is ATXn

Command

Terse

Short

Verbose or Long

0 1 2 3 4

0 OK

X X X X X

1 CONNECT

X X X X X