CH2124 Ver la hoja de datos (PDF) - Cermetek Microelectronics

Número de pieza

componentes Descripción

Lista de partido

CH2124

HIGH SPEED INTERNET MODEM FAMILY

Cermetek Microelectronics 

Cermetek Microelectronics, Inc.

High Speed Internet Modem Family

DEFAULT STATUS, PERFORMANCE AND SPECIFICATIONS

Prior to delivery, Cermetek installs into each iModem the following default modem configuration parameters:

Default Connect Speeds are 2400bps and 56,000bps for CH2124 and CH2156/60, 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

IMPORTANT NOTE

Upon power-up the iModem will recall user profile 0 with the above Factory Defaults, unless these defaults were

overridden by the user.

2003 Cermetek Microelectronics, Inc.

Page 8

Document No. 607-0017 Revision G1 (06/03)

Share Link: