MAXTECH 9424H modem/telephone/ISDN Settings and Configuration

MAXTECH CORPORATION

MAXTECH 9424H

Card Type
Modem(asynchronous)
Chip Set
Unidentified
Maximum Data Rate
2400bps
Maximum Fax Rate
9600bps
Data Bus
8 bit ISA
Fax Class
Class I
Data Modulation Protocol
Bell 103A/212A
ITU-T V.21, V.22, V.22bis
Fax Modulation Protocol
ITU-T V.21CH2, V.27ter, V.29
Error Correction/Compression
MNP5, V.42, V.42bis

CONNECTIONS
Function
Label
Function
Label
Line in
CN1
Line out
CN2

SERIAL PORT ADDRESS
Setting
J1
J2
COM1 (3F8h)
Pins 1 & 2 closed
Pins 1 & 2 closed
COM2 (2F8h)
Pins 2 &3 closed
Pins 1 & 2 closed
COM3 (3E8h)
Pins 1 & 2 closed
Pins 2 &3 closed
COM4 (2E8h)
Pins 2 &3 closed
Pins 2 &3 closed

INTERRUPT
Setting
J3
J4
J5
J6
2
On
Off
Off
Off
3
Off
On
Off
Off
4
Off
Off
On
Off
5
Off
Off
Off
On

Proprietary AT Command Set

BIT-MAPPED REGISTER S14
Format
AT [cmds] S14=n [cmds]
Default:
170
Range:
0 - 174
Unit:
Bit-mapped
Description:
Controls command echo, result codes, dialing mode, and answer/originate mode
Bit
Value
Function
0
0
Not used
1
0
í 1
Command echo off
Command echo on
2
í 0
1
Result codes enabled
Result codes disabled
3
0
í 1
Numeric result codes
Verbose result codes
4
0
Not used
5
0
í 1
Tone dialing selected
Pulse dialing selected
6
0
Not used
7
0
í 1
Answer mode selected
Originate mode selected

BIT-MAPPED REGISTER S21
Format
AT [cmds] S21=n [cmds]
Default:
0
Range:
0 - 249
Unit:
Bit-mapped
Description:
Selects jack type, low DTR action, DCD signal, DSR signal, and the Long Space Disconnect function
Bit
Value
Function
0
í 0
1
Selects RJ-11jack
Selects RJ-12 or RJ-13 jack
1
0
Not used
2
0
Not used
4, 3
í 00
01
10
11
DTR signal ignored
Modem goes to command mode on low DTR
Modem disconnects on low DTR
Modem is initialized on low DTR
5
í 0
1
DCD forced high
DCD normal
6
í 0
1
DSR forced high
DSR normal
7
í 0
1
Long Space Disconnect function disabled
Long Space Disconnect function enabled

BIT-MAPPED REGISTER S22
Format
AT [cmds] S22=n [cmds]
Default:
118
Range:
0 - 255
Unit:
Bit-mapped
Description:
Controls volume and speaker settings, result codes, and make/break pulse ratio
Bit
Value
Function
1, 0
00
í 01
10
11
Not used
Low volume setting
Medium volume setting
Highest volume setting
3, 2
00
í 01
10
11
Speaker disabled
Speaker enabled until carrier signal detected
Speaker enabled
Speaker off during dialing
6, 5 ,4
000
001
010
011
100
101
110
í 111
Busy and dialtone detection disabled, result codes 0-4 enabled
Not used
Not used
Not used
Busy and dialtone detection disabled, result codes 0-5, 10 enabled
Busy tone detection disabled, dialtone detection enabled, result codes 0-6, 10 enabled
Busy tone detection enabled, dialtone detection disabled, result codes 0-5, 7, 10 enabled
Busy and dialtone detection enabled, all result codes enabled
7
í 0
1
39/61ms at 10pps (North America)
33/67ms at 10pps (Europe)

BIT-MAPPED REGISTER S23
Format
AT [cmds] S23=n [cmds]
Default:
7
Range:
0-247
Unit:
Bit-mapped
Description:
Grants/denies remote digital loopback, connect speed, parity and guard tone
Bit
Value
Function
0
0
í 1
Remote digital loopback denied
Remote digital loopback allowed
2, 1
00
01
10
í 11
Connect at 0-300bps
Not used
Connect at 1200bps
Connect at 2400bps
3
0
Not used
5,4
í 00
01
10
11
Parity even
Space parity
Parity odd
No Parity
7, 6
í 00
01
10
11
Guard tone disabled
Guard tone 550Hz enabled
Guard tone 1800Hz enabled
Not used

BIT-MAPPED REGISTER S27
Format:
AT [cmds] S27=n [cmds]
Default:
64
Range:
0-127
Description:
Asynchronous operation, leased/switched line, ITU-U/Bell operation
Bit
Value
Function
3, 1, 0
í 0x00
Asynchronous operation
2
í 0
1
Switched line
Leased line
4
0
Not used
5
0
Not used
6
0
í 1
V.21/V.22
Bell 212A

TEST STATUS
Format
AT [cmds] S16=n [cmds]
Default:
0
Range:
0 - 122
Unit:
Bit-mapped
Description:
Contains status of loopback tests
Bit
Value
Function
0
í 0
1
Local analog loopback test disabled
Local analog loopback test enabled
1
0
Not used
2
í 0
1
Local digital loopback test disabled
Local digital loopback test enabled
3
í 0
1
Remote digital loopback test disabled
Remote digital loopback test enabled
4
í 0
1
Remote digital loopback test not in progress
Remote digital loopback test in progress
5
í 0
1
Remote digital loopback test with test and error disabled
Remote digital loopback test with test and error enabled
6
í 0
1
Local digital loopback test with self test disabled
Local digital loopback test with self test enabled

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Card Type	Modem(asynchronous)
Chip Set	Unidentified
Maximum Data Rate	2400bps
Maximum Fax Rate	9600bps
Data Bus	8 bit ISA
Fax Class	Class I
Data Modulation Protocol	Bell 103A/212A ITU-T V.21, V.22, V.22bis
Fax Modulation Protocol	ITU-T V.21CH2, V.27ter, V.29
Error Correction/Compression	MNP5, V.42, V.42bis

CONNECTIONS
Function	Label		Function		Label
Line in		CN1		Line out		CN2

SERIAL PORT ADDRESS
Setting	J1	J2
COM1 (3F8h)	Pins 1 & 2 closed	Pins 1 & 2 closed
COM2 (2F8h)	Pins 2 &3 closed	Pins 1 & 2 closed
COM3 (3E8h)	Pins 1 & 2 closed	Pins 2 &3 closed
COM4 (2E8h)	Pins 2 &3 closed	Pins 2 &3 closed

INTERRUPT
Setting	J3	J4	J5	J6
2	On	Off	Off	Off
3	Off	On	Off	Off
4	Off	Off	On	Off
5	Off	Off	Off	On

BIT-MAPPED REGISTER S14
Format		AT [cmds] S14=n [cmds]
Default:		170
Range:		0 - 174
Unit:		Bit-mapped
Description:		Controls command echo, result codes, dialing mode, and answer/originate mode
Bit	Value	Function
0	0	Not used
1	0 í 1	Command echo off Command echo on
2	í 0 1	Result codes enabled Result codes disabled
3	0 í 1	Numeric result codes Verbose result codes
4	0	Not used
5	0 í 1	Tone dialing selected Pulse dialing selected
6	0	Not used
7	0 í 1	Answer mode selected Originate mode selected

BIT-MAPPED REGISTER S21
Format		AT [cmds] S21=n [cmds]
Default:		0
Range:		0 - 249
Unit:		Bit-mapped
Description:		Selects jack type, low DTR action, DCD signal, DSR signal, and the Long Space Disconnect function
Bit	Value	Function
0	í 0 1	Selects RJ-11jack Selects RJ-12 or RJ-13 jack
1	0	Not used
2	0	Not used
4, 3	í 00 01 10 11	DTR signal ignored Modem goes to command mode on low DTR Modem disconnects on low DTR Modem is initialized on low DTR
5	í 0 1	DCD forced high DCD normal
6	í 0 1	DSR forced high DSR normal
7	í 0 1	Long Space Disconnect function disabled Long Space Disconnect function enabled

BIT-MAPPED REGISTER S22
Format		AT [cmds] S22=n [cmds]
Default:		118
Range:		0 - 255
Unit:		Bit-mapped
Description:		Controls volume and speaker settings, result codes, and make/break pulse ratio
Bit	Value	Function
1, 0	00 í 01 10 11	Not used Low volume setting Medium volume setting Highest volume setting
3, 2	00 í 01 10 11	Speaker disabled Speaker enabled until carrier signal detected Speaker enabled Speaker off during dialing
6, 5 ,4	000 001 010 011 100 101 110 í 111	Busy and dialtone detection disabled, result codes 0-4 enabled Not used Not used Not used Busy and dialtone detection disabled, result codes 0-5, 10 enabled Busy tone detection disabled, dialtone detection enabled, result codes 0-6, 10 enabled Busy tone detection enabled, dialtone detection disabled, result codes 0-5, 7, 10 enabled Busy and dialtone detection enabled, all result codes enabled
7	í 0 1	39/61ms at 10pps (North America) 33/67ms at 10pps (Europe)

BIT-MAPPED REGISTER S23
Format		AT [cmds] S23=n [cmds]
Default:		7
Range:		0-247
Unit:		Bit-mapped
Description:		Grants/denies remote digital loopback, connect speed, parity and guard tone
Bit	Value	Function
0	0 í 1	Remote digital loopback denied Remote digital loopback allowed
2, 1	00 01 10 í 11	Connect at 0-300bps Not used Connect at 1200bps Connect at 2400bps
3	0	Not used
5,4	í 00 01 10 11	Parity even Space parity Parity odd No Parity
7, 6	í 00 01 10 11	Guard tone disabled Guard tone 550Hz enabled Guard tone 1800Hz enabled Not used

BIT-MAPPED REGISTER S27
Format:			AT [cmds] S27=n [cmds]
Default:			64
Range:			0-127
Description:			Asynchronous operation, leased/switched line, ITU-U/Bell operation
Bit	Value			Function
3, 1, 0	í 0x00			Asynchronous operation
2		í 0 1			Switched line Leased line
4		0			Not used
5		0			Not used
6		0 í 1			V.21/V.22 Bell 212A

TEST STATUS
Format		AT [cmds] S16=n [cmds]
Default:		0
Range:		0 - 122
Unit:		Bit-mapped
Description:		Contains status of loopback tests
Bit	Value	Function
0	í 0 1	Local analog loopback test disabled Local analog loopback test enabled
1	0	Not used
2	í 0 1	Local digital loopback test disabled Local digital loopback test enabled
3	í 0 1	Remote digital loopback test disabled Remote digital loopback test enabled
4	í 0 1	Remote digital loopback test not in progress Remote digital loopback test in progress
5	í 0 1	Remote digital loopback test with test and error disabled Remote digital loopback test with test and error enabled
6	í 0 1	Local digital loopback test with self test disabled Local digital loopback test with self test enabled