CH1782A View Datasheet(PDF) - Cermetek Microelectronics

Part Name

Description

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CH1782A

Family of Ultra Small Modem Modules V.22bis-2400bps

Cermetek Microelectronics 

Cermetek Microelectronics, Inc.

CH1782A Family of Ultra Small Modem Modules V.22bis-2400bps

Figure 3A. CH1782A Application Diagram indicating the use of Voice/Data pin to control an optional

telephone relay for a secondary telephone.

Result Codes

0

1

2

3

4

5

6

7

10

Table 2. Summary of Result Codes and Meanings.

Status Message

Meaning

OK

Command Executed

CONNECT

Carrier detected at 300bps

RING

Ring Detected

NO CARRIER

Did not detect carrier

ERROR

Entry error

CONNECT 1200

Carrier detected at 1200bps

NO DIAL TONE

Off-hook, but no response after 5 seconds

BUSY

CONNECT 2400

Busy signal detected

Carrier detected at 2400bps

2002 Cermetek Microelectronics, Inc.

Page 5

Document No. 607-0009 Revision C (01/03)

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