CMX228S1 MX-COM, Inc., CMX228S1 Datasheet - Page 17

• Manufacturer Part Number: CMX228S1
• Description: ISDN data and telephony protocol engine with x.25
• Manufacturer: MX-COM, Inc.

ISDN Data and Telephony Protocol Engine with x.25
I3 (Firmware Part Number)
Format: ATI3<CR>
Causes the CMX228 to return the part code and revision level to the DTE:
Q (Result Code Display)
Format: ATQn<CR>
V (Result Code Form)
Format: ATVn<CR>
X (Result Code Set)
Format: ATXn<CR>
This command causes the CMX228 to limit the data call result codes used to a given set. See Data Call
Result Codes below for a list of codes and their meanings.
Data Call Result Codes
The data call result codes supported are:
&C (Carrier Detect)
Format: AT&Cn<CR>
Changes the operation of the RS232 DCD (Data Carrier Detect) signal.
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4800 Bethania Station Road, Winston-Salem, NC, 27105-1201, USA
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"CMX228: Vn.nn"
Suffix n
0 (default)
1
2
Suffix n
0
1 (default)
Suffix n
0
1
2
3 (default)
4
Numbers
0
1
2
3
4
6
7
12
14
18
28
31
Suffix n
0
1 (default)
Description
Result codes enabled
Result codes suppressed
Result codes are suppressed when an incoming call is received,
otherwise enabled
Description
Result codes sent as numbers (see Data Call Result Codes below)
Result codes sent as words. This instructs the CMX228 to send the
result codes as words or numbers to the DTE.
Description
0...4
0...4, 12, 14, 18, 28, 31
0...4, 12, 14, 18, 28, 31
0...4, 6, 7, 12, 14, 18, 28, 31
0...4, 6, 7, 12, 14, 18, 28, 31
Words
'OK'
'CONNECT'
'RING'
'NO CARRIER'
'ERROR'
'NO DIALTONE'
'BUSY'
'CONNECT 9600'
'CONNECT 19200'
'CONNECT 57600'
'CONNECT 38400'
'CONNECT 115200'
Description
Ignore connection status, keep DCD high and LED3 pin low (ie ON).
DCD tracks the status of the data connection, raised when the call
is connected, lowered when cleared. LED3 pin tracks the inverse status
of the DCD pin (i.e. high when data connection is cleared).
where n.nn = version number
17
2000 Chiron Technology Limited
CMX228 Advance Information
Doc. # 20480216.001
2000 MX-COM, Inc.