XE1401I [ETC]
Multi-National 14,400 BPS Embeddable Modem; 多国14,400 BPS嵌入式调制解调器
| 型号： | XE1401I |
| 厂家： | 
ETC |
| 描述： | Multi-National 14,400 BPS Embeddable Modem |
| 文件： | 总18页 (文件大小：72K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
XE1401
4/99
Multi-National 14,400 BPS Embeddable Modem
Description
Features
Xecom's XE1401 is a complete 14,400 bps modem in a
single component. It is available for use in many
countries throughout the world. Xecom offers versions
for North America and Japan, Germany, France, Italy,
and the United Kingdom.
Models for North America, Japan, and Europe
*
Country
Canada
Japan
Model
XE1401
XE1401
XE1401F
XE1401G
XE1401I
XE1401B
XE1401
France
Germany
Italy
The XE1401 is a complete modem including the DAA.
XE1401 users do not need to add RAM, ROM, Crystals,
transformers, or switches to complete the modem de-
sign. The user only needs to provide the TTL level,
serial interface and the telephone jack.
UK
USA1
Small Size: 2.75 inches by 1.38" by 0.42"
UL1459 Recognized
*
*
*
Modem Protocols: V.32bis (14,400 bps), V.32,
V.22bis, V.22, V.21, Bell 212A and 103
Fax Protocols: V.17 (14,400 bps), V.29, V.27ter, and
V.21 channel 2
The XE1401 is a full-featured modem. Besides the
14,400 bps data transfer, the XE1401 supports data
compression, error correction and fax transfer. The
XE1401 also inlcudes NVRAM for permanent storage of
the modem configuration.
*
Error Correction; V.42, MNP2-4 and MNP10
*
*
Data Compression; V.42bis and MNP5 provides a
maximum effective data rate of 57,600 bps.
The XE1401 is pin compatible with Xecom's XE2401L
and XE3301 modems. This family of modems permits a
simple upgrade path from 2400 bps to 33,600 bps.
Pin compatible with Xecom's XE2401L and XE3301
modems
1 (user transferable FCC Registration)
*
Block Diagram
Serial I/O
/DTR
/RTS
/CTS
/DSR
TXD
RXD
/DCD
ROM
Tip
Analog
Front
End
Modem
Controller
DAA
Ring
Auxiliary I/O
NVRAM
RESET
AR
/LCS
OH
XECOM
(1)
XE1401
XE1401 Mechanical Specifications
Inches
Dim Min Max
Metric (MM)
Min Max
A
A
B
C
D
E
F
G
H
J
2.74
2.760
69.60 70.10
34.80 35.31
10.16 10.67
22.61 23.11
48.01 48.51
1.370 1.390
0.400 0.420
0.890 0.910
1.890 1.910
0.125 0.200
0.080 0.100
0.415 0.435
0.090 0.110
0.020 0.025
0.380 0.400
0.090 0.110
C
3.18
2.03
5.08
2.54
J
M
10.54 11.05
H
E
2.29
0.51
2.79
0.64
K
L
M
9.65 10.16
2.29 2.79
B
Pins = 0.025 inch square pin
All pins tin-plated
F
K
D
L
G
XE1401 PIN CONFIGURATION
RESET
N/C
1
2
3
40
39
38
VCC
/DSR
/DCD
RXD
/DTR
/LCS
/CTS
OH
TXD
/RTS
NC
9
10
11
12
13
14
15
16
/RI
TIP
18
20
22
21
AMP
GND
RING
XECOM
(2)
XE1401
XE1401 Pin Descriptions
PIN NAME DESCRIPTION
1
RESET
Hardware reset pin, Input, active High, TTL. A high on Pin 1 initiates a hardware reset. An
external reset is not required or recommended. The Reset pulse must be a minimum of 100
milliseconds long.
2
3
N/C
No Internal Connection
RXD
Received Data, Output, TTL. Serial data output to the host. A logic "High" on RXD rep-
resents a "mark" and a logic "Low" represents a "space".
9
\DTR
Data Terminal Ready, Input, active Low, TTL. The "AT&D" command sets the function of
\DTR. The default, AT&D2, requires the host to assert \DTR to permit a modem link. The
modem drops the call in progress if \DTR is revoked and will not connect until \DTR is re-
asserted.
10
11
\LCS
\CTS
Loop Current Sense, active Low Input, TTL. A low on \LCS tells the modem that loop
current is flowing through Tip and Ring. This feature is used only in the XE1401B version.
Clear to Send, Output, active Low, TTL/CMOS. \CTS is used as a Flow Control output
from the modem. The modem revokes \CTS with hardware flow control active to signal the
host that the modem's input buffer is full. The modem reasserts \CTS when the buffer can
accept more data without a buffer overflow.
12
13
14
OH
TXD
\RTS
Off-Hook, Output, active High. OH indicates the modem's hookswitch relay is closed.
Hookswitch closure connects the modem to the telephone line.
Transmit Data, Input, TTL. Serial data input from the host. A logic "High" represents a
"mark" and a Low represents a"space", TTL.
Request to Send, input, active LOW, TTL. The XE1401 uses \RTS for hardware flow con-
trol. When \RTS is revoked and hardware flow control is enabled, the modem will not place
data on RXD.
15
16
NC
\RI
No Internal Connection
Ring Indicator, Output, active Low, TTL. When low indicates the modem is receiving a ring
signal.
18
TIP
Tip connection to the phone line (RJ11 pin3) from the internal DAA. The XE1401 is not
sensitive to the battery voltage polarity across Tip and Ring.
20
21
22
RING
GND
AMP
Ring connection to the phone line (RJ11 pin4) from the internal DAA.
Ground (0 volts)
Audio Output function is set by L & M commands and the value in register S22. This output
can drive a minimum load of 300 ohms.
XECOM
(3)
XE1401
XE1401 Pin Descriptions
PIN NAME DESCRIPTION
38
\DCD
Data Carrier Detect, Output, active Low, TTL/CMOS. AT&C sets the \DCD function. In the
default condition, AT&C1, \DCD indicates the presence of a carrier signal on the telephone
line.
39
40
\DSR
Vcc
Data Set Ready, Output, active Low, TTL/CMOS. AT&S sets the \DSR function. In the
default condition, AT&S0, \DSR is forced true.
+5 Volts
ABSOLUTE MAXIMUM RATINGS*
SUPPLY VOLTAGE - Vcc
DC INPUT VOLTAGE
+6.5 Volts
-0.6 Volts to +6.5 Volts
-25° C TO +85° C
260° C
STORAGE TEMPERATURE RANGE
LEAD TEMPERATURE (Soldering, 2 sec per wave)
OPERATING TEMPERATURE RANGE
0 TO 70° C
*Exceeding these values may result in permanent damage to the device.
XE1401 ELECTRICAL SPECIFICATIONS
Parameter
Min
Typ
Max
Units
Comments
VCC
4.75
100
5.25
170
Volts
ICC
150
mamps
On Line
Ring Voltage Detected
38
10
20
150
RMS
RMS
RMS
XE1401
XE1401B, XE1401I
XE1401G
Ring Frequency Detected
Telephone Loop Current
15.3
68
Hz
10
100
mamps
XE1401
10
10
10
120
60
45
mamps
mamps
mamps
XE1401B, XE1401I
XE1401G
XE1401F
Data Transmit level
DTMF Transmit Level
Billing tone Filter
-12
-10.5
-2.5
16
-9.0
0
dBm
dBm
KHz
Avg over 3 second interval
XE1401G Only
XECOM
(4)
XE1401
XE1401 Typical Applications Schematic
VCC
16C450
SIN
UART
RXD
/DSR
/DCD
XE1401
/DTR
/CTS
/DTR
/CTS
TXD
SOUT
/RTS
/RTS
/RI
/RI
Tip
AMP
GND
Ring
+5 Volts
LM386
.2 ufd
250 ufd
50K
.05 ufd
8 ohm .5 W
Speaker
10 ohms
L2
L1
C1
C2
4
3
J1
Line
Note: RJ11 Pin assignments reflect a 6-pin connector. Tip and Ring are always the center pins of the RJ11 jack.
Recommended Parts
Reference Designation
Description
Recommended Part Number
L1, L2
Ferrite Beads
TDK CB30-1812
C1, C2
J1
Capacitors
RJ11 Jack
Sprague 30GAT47, 470 pfd, 3000 Volts
Stewart SS6446NF
XECOM
(5)
XE1401
XE1401 AT Commands
Modes of Operation
Command Line - A command line may include multiple com-
mands. The modem executes the commands in the sequence
they appear in the command line. Spaces, inserted to improve
legibility, do not fill space in the command buffer. A carriage
return terminates the command line and causes the commands to
be executed. Register S3 allows the user to select a character
other than a carriage return to terminate the command line.
The XE1401 uses "AT" commands for control and configura-
tion. The XE1401 operates in three modes; Command
Mode, Fax Mode and Data Mode. Extensions to the AT
command set support fax operation.
Data Mode: The modem enters data mode after it estab-
lishes a link and issues a "CONNECT" result code. In Data
Mode the modem modulates all signals on Transmit Data,
Pin 13, and sends them to the remote modem. The modem
demodulates the signal from the remote modem and places it
onto Received Data, Pin 3, for the host equipment. When the
modem exits data mode, it issues a "NO CARRIER" result
code.
Command Buffer - The command buffer holds 40 characters,
including the AT prefix. If it overflows, the modem issues an
"ERROR" result code and commands are not executed.
Command Line Editing - A backspace can be used to edit the
command any time before it is executed. The backspace charac-
ter, Control and H simultaneously on some systems, erases the
previous character in the command line. Any character except
for the "A" and "T" can be erased. Register S5 allows the user
to select a character other than a backspace to edit the command
line.
Command Mode: The XE1401 enters command mode on
application of power, reset, loss of the connection, or receipt
of the escape sequence. In command mode the modem ac-
cepts commands from the host on Transmit Data. Appropri-
ate result codes are returned on Received Data at the same
speed and parity as the commands.
Re-Execute Last Command - The A/ command causes the mo-
dem to re-execute the command line stored in the command
buffer. This is the only command which does not require the
"AT" prefix.
Fax Mode: The modem enters fax mode on receipt of the
AT+FCLASS=1 command. Fax commands and responses
are issued at 19,200 bits per second; the character format is 8
bits no parity. The modem accepts Class 1 Fax commands
only in fax mode. The A/, ATO, AT&T and escape com-
mands are not valid in fax mode.
Omitted Parameters - Most commands include a parameter
which determines the command function. When the parameter is
omitted from the command string, it is assumed to be a 0.
Escape Characters - A three character escape sequence, entered
while in data mode, will switch the modem into command mode
while remaining on line. The escape character, set by Register
S2, is entered 3 times in succession to execute the escape. The
default escape sequence is "+++."
Commands
The modem is configured and controlled with AT com-
mands. AT commands follow a strict format. The command
line is stored in the command buffer and executed upon re-
ceipt of a carriage return. Until executed, the command line
can be edited with the backspace key.
Result Codes - The modem issues a result code after each ac-
tion. Result codes may be provided as full words, numeric
codes or may be disabled. Each result code ends with a carriage
return when numeric result codes are chosen. When full word
result codes are chosen, a Line Feed and Carriage Return pre-
cede and follow each result code.
Command Format - Each command, except A/, begins with
the AT prefix. The "A" and "T" may be both upper case or
both lower case but cannot be of different cases. The modem
uses the prefix to identify the host's speed and parity. The
modem determines speed by measuring the width of the in-
coming bits and parity by comparing the parity bits of the
"A" and "T." The modem then returns result codes at the
host's speed and parity.
XECOM
(6)
XE1401
XE1401 AT Commands (continued)
An asterisk indicates the default setting of Mn - Speaker Activity - ATMn determines when the
List of Commands
the command for the XE1401. The default setting may be dif- modem's audio output is active.
ferent for the European models.
n=0 Speaker off
n=1 Speaker on until carrier received*
n=2 Speaker remains on
A - Answer Command - ATA forces the modem to
immediatly go off-hook and transmit answer tone.
n=3 Speaker off during dialing, on until carrier
Bn - Select Communications Standard - ATBn selects the
modulation used for connections below 2400 bits per second
n=0 Selects CCITT standards
Nn - Data Rate - ATNn selects whether or not the modem
will negotiate a lower data link speed.
n=0 Handshake only at DTE rate
n=1 Selects Bell standards*
n=1 Negotiate highest common speed*
D - Dial Command - Below are the characters accepted in a
dialing command.
On - On Line - ATOn switches the modem from the command
mode to the data mode.
0-9, #, * = Dialing Digits
n=0 Return On Line with no retrain*
L
P
T
=
=
=
Re-dial last number
Pulse dial
n=1
Initiate retrain returning On Line.
Tone dial
Qn - Responses - ATQn determines if the modem will issue
S=n = Dial stored number
W = Wait for dial tone
responses.
n=0 Send responses*
n=1 No Responses
^ =
Toggles state of calling tone
,
=
Pause for the duration of S8
Wait for silence
Sr=n - Set Register Value - ATsr=n sets the value of register
@ =
Sr to n.
!
;
=
Switch hook flash
=
Return to the command state
Vn - Result Codes - ATVn sets the modem to issue Numeric
or Full Word result codes .
En - Command Echo - ATEn determines whether commands
will be echoed back to the host.
n=0
Numeric Result Codes
n=1 English Word Result Codes*
n=0 Do not echo commands
Wn - Connect Message Rate - ATWn determines whether
the data rate reported in the Connect response is the host data
rate, the link data rate or whether both are provide along with
the error control and data compression protocols negotiated.
n=1 Enable command echo*
Hn - Switch Hook Control - ATHn opens and closes the
modem's hook switch.
n=0 Switch hook relay opens
n=0
n=1 Report line speed, DTE speed and Link protocol
n=2 "CONNECT" Reports Link speed
Send "CONNECT" at DTE Rate*
n=1 The switch hook relay closes
In - Modem Identification - ATIn Identifies the version of the
modem.
Xn - Result Code Set - ATXn selects which set of result
codes the modem may send.
Ln - Speaker Volume - ATLn sets the amplitude of the
modem's audio output.
n=0 Result codes 0 to 4
n=1 Result codes 0 to 5 and 10
n=2 Result codes 0 to 6 and 10
n=3 Result codes 0 to 5, 7 and 10
n=4 Full Result codes*
n=0 Lowest speaker volume
n=1 Low speaker volume*
n=2 Moderate speaker volume
n=3 High speaker volume
XECOM
(7)
XE1401
XE1401 AT Commands (continued)
Yn - Long Space Disconnect - ATYn sets the modem to dis- &Qn - Line Connection - AT&Qn determines if error control
connect on receipt of 1.6 seconds of continuous space.
n=0 Long Space Disconnect Disabled*
n=1 Disconnect on long space
or data buffering aare active on the link.
n=0 Direct mode (no data buffering)*
n=5 Use Error Correction
n=6 Normal Mode (Speed buffering)
Zn - Reset - ATZn executes a soft reset to the modem and re-
sets the modem configuration.
&Sn - DSR Operation - AT&Sn sets the operation of the DSR
signal.
n=0 Reset to user profile 0*
n=1 reset to user profile 1
n=0 DSR always active*
n=1 DSR in accordance with V.25.
&Cn - DCD Operation - AT&Cn determines the operation of
the DCD output.
&Tn - Test Modes - AT&T selects modem test modes.
n=0 Exit test mode
n=0 DCD is forced active.
n=1 DCD indicates a valid carrier*
n=1 Local analog loopback
n=3 Initiate local digital loopback
n=4 Respond to remote loop request*
n=5 Deny remote loop request
&Dn - DTR - AT&Dn determines how the modem will re-
spond to changes to DTR.
n=0 DTR is ignored by the modem.
n=1 Enter command mode if DTR revoked.
n=2 Disconnect if DTR revoked.*
n=6 Initiate a Remote Digital loopback
n=7 Remote digital loopback w self-test
n=8 Local analog loopback w self-test
n=3 Soft reset when DTR revoked
&Vn - View Configuration Profiles - AT&V permits the user
to check on the modems current configuration.
n=0 View active profile & user profile 0*
&Fn - Return to Factory Defaults - AT&Fn returns the mo-
dem configuration to one of two factory configurations.
n=0 Restore configuration 0*
n=1 View active profile & user profile 1
n=1 Restore configuration 1
&Wn - Store Active Profile - AT&Wn stores the current mo-
dem configuration in NVRAM.
&Gn - Guard Tone - AT&Gn controls the guard tone pro-
duced by the modem
n=0 Store active profile as profile 0*
n=0 Guard Tone Disabled*
n=1 Store active profile as profile 1
n=1 Guard Tone Disabled
n=2 1800 Hz Guard Tone
&Yn - Recall Stored Profile - AT&Yn sets the stored modem
configuration to be used after a hard reset.
n=0 Recall profile 0 on power-up*
&Kn - Flow Control - AT&Kn selects the flow control
method used by the modem.
n=0 Disabled
n=1 Recall profile 1 on power-up
n=3 RTS/CTS
&Zn=x - Store phone number "x" in memory location "n"
n=4 XON/XOFF
%En - Line Quality Monitor/Auto Retrain - AT%En deter-
mines if the modem monitors line quality during a connection
and intiate a retrain if quality drops below acceptable levels.
n=0 Disabled
n=5 Transparent XON/XOFF
n=6 RTS/CTS and XON/XOFF
&Pn - Dial Pulse Make/Break Ratio - AT&Pn determines
the specific pulse dialing parameters used by the modem.
n=0 39/61% @ 10 pps*
n=1 Enabled
n=2 Line quality, fallback, fall forward
n=1 33/67% @ 10 pps
n=2 39/61% @ 20 pps
n=3 33/67% @ 20 pps
XECOM
(8)
XE1401
XE1401 AT Commands (continued)
%L - Read Received Signal Level - AT%L permits the user Host initiates break with \B command on Reliable link.
to read the magnitude of the recevie singal in dBm.
n=0 Purge buffers and immediately transmit break
n=1 Same as n=0
%Q - Read Line Signal Quality - AT%Q permits the user to
n=2 Immediately transmit break
n=3 Same as n=1
read the EQM value of the recevied signal.
n=4 Transmit break in sequence w data
n=5 Same as n=4
\An - MNP Block Size - AT|An sets the block size for MNP
data packets.
n=0 Maximum 64 characters
\Nn - Error Correction Selection - AT\Nn determines how
the modem handles error control negotiations.
n=0 Normal Mode, no error correction
n=1 Maximum 128 characters
n=2 Maximum 192 characters
n=3 Maximum 256 characters*
n=1 Direct Mode, no data bufferring, no error correction
n=2 Reliable Mode, error correction required
n=3 Auto Reliable Mode, accept either error controlled or
non-error controlled links
\Bn - Transmit Break - AT\Bn selects the duration of the
break signal sent. Break = n x 100 msec.
\Kn - Break control - AT\Kn determines how the modem will
n=4 V42 Reliable Mode, LAPM required
n=5 MNP Reliable Mode, MNP required
handle a break signal.
Break received from host with Reliable link.
\Vn - Single Line Result Codes - AT/Vn determines if the
Connect response is issued in a single line format. The single
line format is shown. CONNECT<DTE Speed><Modulation>
<Protocol><Compression><Link Speed>
n=0 Enter on-line command mode; do not transmit break
n=1 Purge buffers, immediately transmit break
n=2 Same as n=0
n=3 Immediately send break
n=0 Responses per ATX, ATW and S95*
n=4 same as n=0
n=1 Single Line Responses
n=5 Send break in sequence with data*
-Kn - MNP Extended Services - AT-Kn determines how the
modem handles MNP10.
Break received from host with Direct link .
n=0 transmit break, then enter on-line command mode
n=1 Immediately send break
n=0 No LAPM to MNP10 conversion
n=1 LAPM to MNP10 conversion*
n=2 Enter command mode; do not transmit break signal
n=3 same as n=1
n=2 LAPM to MNP10 conversion but no MNP Extended
Service during V.42 LAPM answer mode detect.
n=4 same as n=0
n=5 same as n=1*
-SEC=n,t - MNP10-EC This comman controls the error correc-
tion protocol for cellular links, MNP10-EC.
Break received from modem w Normal link.
n=0 Purge buffers, Immediately send break to the host
n=1 same as n=0
n=0 No MNP10-EC error correction supported
n=1 Enable MNP10-EC protocol with Transmit Level at -t
dBm where t can be any value from 0 to 30.
n=2 Immediately send break to the host
n=3 Same as n=2
n=4 Send break in sequence with data.
n=5 Same as n=2*
XECOM
(9)
XE1401
XE1401 Result Codes
Digits Verbose
Description
Digits Verbose
Description
0
OK
Successfully executed command line
46
47
48
49
50
51
52
66
67
69
70
77
80
81
+F4
CARRIER 1200
1200 bps carrier received
2400 bps carrier received
4800 bps carrier received
7200 bps carrier received
9600 bps carrier received
12,000 bps carrier received
14,400 bps carrier received
MNP5 data compression
1
CONNECT
300 bps connection
CARRIER 2400
2
RING
Ring signal detected
CARRIER 4800
3
NO CARRIER
ERROR
Carrier not detected/lost
Error in command line
1200 bps connection
CARRIER 7200
4
CARRIER 9600
5
CONNECT 1200
NO DIAL TONE
BUSY
CARRIER 12000
6
No dial tone detected
Busy signal detected
CARRIER 14400
7
COMPRESSION: CLASS 5
COMPRESSION: V.42bis
COMPRESSION: NONE
PROTOCOL: NONE
PROTOCOL: LAPM
PROTOCOL: ALT
8
NO ANSWER
CONNECT 2400
CONNECT 4800
CONNECT 9600
CONNECT 7200
CONNECT 12000
CONNECT 14400
CONNECT 19200
CONNECT 38400
5 second silence not detected
2400 bps Connection
4800 bps Connection
9600 bps Connection
7200 bps Connection
12,000 bps Connection
14,400 bps Connection
19,200 bps Connection
38,400 bps Connection
V
.42bis data compression
10
11
12
13
14
15
16
17
22
23
33
35
40
44
45
No data compression
No error correction
LAPM error correction
MNP error correction
PROTOCOL: ALT CELLULAR MNP10 error correction
+FCERROR Fax carrier error
CONNECT 75TX/1200RX V.23 originate connection
CONNECT 1200TX/75RX V.23 answer connection
FAX
Fax connection
DATA
Data connection in Fax mode
300 bps carrier received
CARRIER 300
CARRIER 1200/75
CARRIER 75/1200
V.23 reverse channel carrier received
V.23 forward channel carrier received
XECOM
(10)
XE1401
XE1401 Class 1 Fax Commands
AT+FCLASS? - Service Class Indication
n=0 Configured as a data modem
n=1 Configured for Service Class 1.
AT+FRM<mod> - Receive Fax
n=24
n=48
n=72
n=73
n=74
n=96
n=97
n=98
V.27ter, 2400 bps
V.27ter, 4800 bps
V.29, 7200 bps
AT+FCLASS=? - Shows Service Class Capability
n=0 Configured as a data modem
V.17, long training, 7200 bps
V.17, short training, 7200 bps
V.29, 9600 bps
n=1 Configured for Service Class 1.
V.17, long training, 9600 bps
V.17 short training, 9600 bps
AT+FCLASS=n - Sets Service Class
n=0 Configured as a data modem
n=1 Configured for Service Class 1.
n=121 V.17, long training, 12,000 bps
n=122 V.17 short training, 12,000 bps
n=145 V.17, long training, 14,400 bps
n=146 V.17 short training, 14,400 bps
AT+FAE=n - Selects Data/Fax Auto Answer
n=0 Answer as a fax modem only
n=1 Either a fax or data modem
AT+FTH=n- Transmit HDLC Data
AT+FRS=n - Receive Silence
n=3
V.21 Channel 2, 300 bps
V.27ter, 2400 bps
This command causes the modem to issue an OK response
after detecting silence for n * 10 milliseconds.
n=24
n=48
n=72
n=73
n=74
n=96
n=97
n=98
V.27ter, 4800 bps
V.29, 7200 bps
AT+FTS=n - Stop Transmission and Wait
V.17, long training, 7200 bps
V.17, short training, 7200 bps
V.29, 9600 bps
This command causes the modem to stop transmission for
n * 10 milliseconds before issuing the OK response
AT+FRH=n - Receive HDLC Data Frames
V.17, long training, 9600 bps
V.17 short training, 9600 bps
n=3
V.21 Channel 2, 300 bps
V.27ter, 2400 bps
n=24
n=48
n=72
n=73
n=74
n=96
n=97
n=98
n=121 V.17, long training, 12,000 bps
n=122 V.17 short training, 12,000 bps
n=145 V.17, long training, 14,400 bps
n=146 V.17 short training, 14,400 bps
V.27ter, 4800 bps
V.29, 7200 bps
V.17, long training, 7200 bps
V.17, short training, 7200 bps
V.29, 9600 bps
AT+FTM<mod> - Transmit Fax
n=24
n=48
n=72
n=73
n=74
n=96
n=97
n=98
V.27ter, 2400 bps
V.17, long training, 9600 bps
V.17 short training, 9600 bps
V.27ter, 4800 bps
V.29, 7200 bps
n=121 V.17, long training, 12,000 bps
n=122 V.17 short training, 12,000 bps
n=145 V.17, long training, 14,400 bps
n=146 V.17 short training, 14,400 bps
V.17, long training, 7200 bps
V.17, short training, 7200 bps
V.29, 9600 bps
V.17, long training, 9600 bps
V.17 short training, 9600 bps
n=121 V.17, long training, 12,000 bps
n=122 V.17 short training, 12,000 bps
n=145 V.17, long training, 14,400 bps
n=146 V.17 short training, 14,400 bps
XECOM
(11)
XE1401
XE1401 AT Registers
S-Registers
S6 Dial Tone Wait Time: S6 determines how long the mo-
Following are descriptions of the S-Registers Supported by
the XE1401.
dem waits for dial tone before dialing begins. The Dial
Tone Wait Time cannot be set to less than two seconds.
Range:
2 to 255
S0 Answer on nth Ring: S0 sets the modem to automati-
cally answer on the nth ring. Setting S0 to 0 disables au-
tomatic answer.
Units
Seconds
2
Default
Range:
Units
0 to 255
Rings
0
S7 Wait for Carrier after Dialing: S7 determines how long
the modem waits for a valid carrier signal after dialing is
completed.
Default
Range:
Units
1 to 255
Seconds
50
S1 Ring Count: S1 is a read-only register. It shows the
number of rings detected. If a ring is not detected within
8 seconds, the counter is reset to zero.
Default
Range:
0 to 255
S8 Comma Pause Time: S8 defines the duration of the
pause initiated by a comma in the dialing string. The
pause is generally used when waiting for a second dial
tone.
Units
Rings
0
Default
S2 Escape Character: S2 determines the ASCII character
used in the escape sequence. Values of 0-127 select valid
ASCII escape characters; values from 128 to 255 disable
the escape sequence.
Range:
Units
1 to 255
Seconds
50
Default
Range:
0 to 255
S9 Carrier Detect Response Time: S9 establishes the length
of time the remote modem's carrier must be present to be
recognized as valid.
Units
ASCII Character
43 (+)
Default
S3 Carriage Return Character: S3 determines the ASCII
character to serve as a carriage return to terminate com-
mands and to be inserted in modem responses.
Range:
1 to 255
Units
0.1 Seconds
6
Default
Range:
Units
0 to 127
S10 Carrier Off Disconnect Delay: S10 selects how long
carrier must be lost before the modem disconnects. Note:
If S10 is smaller than the value of S9, the modem will
not automatically disconnect on loss of carrier.
ASCII Character
13 (Carriage Return)
Default
S4 Line Feed Character: S4 sets the ASCII character to
Range:
1 to 255
act as a line feed character in modem responses.
Units
0.1 Seconds
14
Range:
Units
0 to 127
Default
ASCII Character
10 (Line Feed)
Default
S11 Tone Dialing Speed: S10 sets the duration and spacing
of the dialing tones. S11 does not affect the pulse dial-
ing rate.
S5 Back Space Character: S5 defines the ASCII character
used as a backspace to edit the command line.
Range:
Units
50 to 255
1 Millisecond
95
Range:
Units
0 to 32
ASCII Character
8 (Back Space)
Default
Default
XECOM
(12)
XE1401
XE1401 AT Registers (continued)
S12 Escape Code Guard Timer: S12 sets the escape se-
quence guard timer. If characters are received before or
after the escape sequence, within the guard timer, the mo-
dem aborts the escape attempt and remains in data mode.
S21 General Bit-Mapped Options: S21 reflects the state of
several "AT" commands.
Bit 0-2 Not Used
Bit 3,4 0 = DTR ignored (AT&D0)
1 = Enter command mode on DTR off (AT&D1)
2 = Disconnect on DTR off (AT&D2)
3 = Reset on DTR off (AT&D3)
Range:
Units
0 to 255
0.02 Seconds
50
Default
Bit 5
Bit 6
Bit 7
0 = DCD always active (AT&C0)
1 = DCD on with Carrier (AT&C1)
0 = DSR always active (AT&S0)
1= DSR on when modem ready (&S1)
0 = No disconnect on Space (ATY0)
1 = Disconnect on Space (ATY1)
S14 General Bit-Mapped Options: S14 reflects the state of
several "AT" commands.
Bit 0,4,6
Bit 1
Not Used
0 = Echo Disabled (ATE0)
1 = Echo Active (ATE1)
0 = Send Result Codes (ATQ0)
1 = No Result Codes (ATQ1)
0 = Numeric Result Codes (ATV0)
1 = Full Word Result Codes (ATV1)
0 = Tone Dialing Selected (T)
1 = Pulse Dialing Selected (P)
0 = Answer
S22
General Bit-Mapped Options: S22 reflects the state
Bit 2
Bit 3
Bit 5
Bit 7
of several "AT" commands.
Bit 0-1 0 = Low speaker volume (ATL0)
1 = Low speaker volume (ATL1)
2
= Moderate speaker volume (ATL2)
3 = High speaker volume (ATL3)
Bit 2-3 0 = Speaker off (ATM0)
1 = Speaker off with carrier (ATM1)
2 = Speaker always on (ATM2)
1 = Originate
3 = Speaker on during handshake (ATM3)
S16 Test Status: S16 shows the test status of the modem
Bit 4-6 0 = Basic Result codes (ATX0)
Bit 0
0 = No Local Analog Loopback
1 = Local ALB Active
Not Used
4
= Connect speed result codes (ATX1)
5 = No Blind Dial (ATX2)
6 = Busy Detection (ATX3)
7 = Full result codes (ATX4)
Bit 1
Bit 2
0 = Local Digital Loopback Disabled
1 = Local DLB Enabled
Bit 7
Not Used
Bit 3
Bit 4
Bit 5
Bit 6
0 = No Remote Digital Loopback
1 = Remote DLB Active
0 = Remote DLB not requested
1 = Remote DLB Requested
0 = Remote DLB w Self-Test Disabled
1 = Remote DLB w Self-Test Enabled
0 = Local ALB w Self-Test Disabled
1 = Local ALB w Self-Test Enabled
Bit 7
Not Used
S18 Test Timer: S18 determines the duration of any test. If
S18 equals 0, the AT&T0 command terminates the test.
Range: 0 to 255
Units
Seconds
Default 0
XECOM
(13)
XE1401
XE1401 AT Registers (continued)
S23
General Bit-Mapped Options: S23 reflects the state S30
Disconnect on Inactivity Timer: S30 sets the time the
modem is idle before it automatically disconnects . A 0
disables the inactivity timer.
of several "AT" commands.
Bit 0
0 = Remote DLB Disabled (AT&T5)
1 = Remote DLB Allowed (AT&T4)
Range:
Units
0 to 255
10 Seconds
0
Bit 1-3 0 = Host Interface at 300 bps
1 = Host Interface at 600 bps
2 = Host Interface at 1200 bps
3 = Host Interface at 2400 bps
4 = Host Interface at 4800 bps
5 = Host Interface at 9600 bps
6 = Host Interface at 19200 bps
7 = Host I/F at 38400 bps or higher
Default
S31
General Bit-Mapped Options: S31 stores the status
of various AT commands.
Bit 0
0 = No single-line Connect messages (AT\V0)
1 = Use single-line Connect messages (AT\V1)
0 = No Automode detection (ATN0)
Bit 1
Bit 4-5 0 = Even parity in use
1 = Not used
1 = Automode detection active (ATN1)
Bit 2-3 0 = Report host speed (ATW0)
1 = Report all parameters (ATW1)
2 = Report modem speed only (ATW2)
2 = Odd Parity in use
3 = No Parity in use
Bit 6-7 0 = No Guard Tone (AT&G0)
1 = No Guard Tone (AT&G1)
2 = 1800 Hz guard tone (AT&G2)
3 = Not Used
Bit 4-7 Not Used
S32
S33
XON Character: S32 determines the ASCII character
to be sent as XON for in-band flow control.
S27
General Bit-Mapped Options: S27 reflects the state
Range:
Units
0 to 255
of several "AT" commands.
ASCII Character
11 (VT)
Bit 0
1
0
0
1
3
Default
0
1
0
0 = Normal Mode (AT&Q0)
1
1
= Error control enabled (AT&Q5)
= Direct Mode (AT&Q6)
XOFF Character: S32 determines the ASCII charac-
ter recognized as XOFF for in-band flow control.
Bit 2, 4-5, 7 Not Used
Bit 6 0 = CCITT Protocols (ATB0)
1 = Bell Protocols (ATB1)
Range:
Units
0 to 255
ASCII Character
19 (DC3)
Default
S28 Pulse Dialing Bit-Mapped Options: S28 stores the
modem's pulse dialing configuration.
Bit 0-2, 5-7 Not Used
S36
LAPM Failure: S36 instructs the modem what to do
if the error control negotiations fail.
Bit 3-4 0 = Make/Break ratio 39%/61%; 10
pulses per second (AT&P0)
Bit 0-2 0 = Modem Disconnects
1 = Establish Direct Connection
3 = Establish normal Connection
4 = Disconnect if MNP handshake fails
5 = Establish Direct Connection if MNP
handshake fails.
1 = Make/Break ratio 33%/67%; 10
pulses per second (AT&P1)
2 = Make/Break ratio 39%/61%; 20
pulses per second (AT&P2)
3 = Make/Break ratio 33%/67%; 20
pulses per second (AT&P3)
7 = Establish Normal Connection if MNP
handshake fails.
S29 Hook Flash Timer: S29 determines the length of time
the modem closes its off-hook relay to simulate a hook
switch flash on receipt of the “!” dial modifierstores the
modem's pulse dialing configuration.
Bit 3-7 Not Used
Range:
Units:
0 to 255
10 milliseconds
70
Default
XECOM
(14)
XE1401
XE1401 AT Registers (continued)
S37 Desired Line Speed: S37 sets the speed at which the
S40 MNP Bit-Mapped Options: S40 shows the status of
modem begins link negotiations.
the modem's MNP commands, .
Bits 0-4 0 = Automode Connection*
Bit 0-1 0 = No LAPM-MNP10 conversion (-K0)
1-3 = 300 BPS (V.21, Bell 103)
4 = Reserved
5 = 1200 BPS (V.22, Bell 212A)
6 = 2400 BPS (V.22bis)
7 = 1200 Fwd/75 Bwd (V.23)
8 = 4800 BPS (V.32, V.32bis)
9 = 9600 BPS (V.32, V.32bis)
10 = 12,000 BPS (V.32bis)
11 = 14,400 BPS (V.32bis)
12 = 7200 BPS (V.32bis)
1 = Enable LAPM-MNP10 conversion (-K1)
2 = Enable LAPM-MNP10 conversion except
for LAPM answer mode (-K1)
Bit 2 Not Used
Bit 3-5 0 = AT\K0 break handling selected
1 = AT\K1 break handling selected
2 = AT\K2 break handling selected
3 = AT\K3 break handling selected
4 = AT\K4 break handling selected
5 = AT\K5 break handling selected
Bits 5-7 Reserved
S38 Forced Disconnect Timer: S38 sets the delay be-
tween receipt of the disconnect command and the
opening of the switch hook. If S38 is set to 255 the
modem disconnects only after its buffers are empty.
Bit 6-7 0 = MNP Block size 64 characters
1 = MNP Block size 128 characters
2 = MNP Block size 192 characters
3 = MNP Block size 256 characters
S41 General Bit-Mapped Options: S41 stores the condi-
Range: 0 to 255
tion of various "AT" commands.
Units
1 Second
Bit 0-1 0 = No Data Compression (AT%C0)
Default 20
1 = MNP5 Data Compression (AT&C1)
2 = V.42bis Data Compression (AT&C2)
3 = Either MNP5 or V.42bis Data
Compression (AT&C3)
S39 Flow Control Bit-Mapped Options: S39 shows the
status of the modem's flow control options, AT&K.
Bit 0-2 0 = Flow Control Disabled
Bit 2, 6 0 0 = No Fallback/Forward (AT%E0)
3 = Hardware Flow Control, RTS/CTS
4 = In-Band Flow Control XON/XOFF
5 = Transparent In-Band Flow Control
6 = Both Harware and In-Band Flow Control
1 0 = Retrain Enabled (AT%E1)
0 0 = Fallback/Forward Enabled (AT%E2)
Bit 3-5, 7 Not Used
Bit 3-7 Not used
S46 Data Compression Control: S46 selects whether or
not the modem will support data compression with er-
ror control.
S46=136 No data compression
S46=138 Data Compression selected
Default 138
S48
V.42 Negotiations: S48 determines the modem's V.42
negotiation process.
S48=0 Proceed with LAPM
S48=7 Negotiate per V.42
S48=128 Assume LAPM failure
Default 7
XECOM
(15)
XE1401
XE1401 AT Registers (continued)
S86 Call Failure Code: S86 shows why the last "NO
CARRIER response was issued.
S86=0
Normal Disconnect
S86=4
S86=5
S86=9
S86=12
Loss of Carrier
V.42 Negotiation Failure
Modem Handshake Failure
Disconnect Initiated by remote modem
S86=13 No response after 10 retries
S86=14 Protocol Violation
S95
Extended Result Codes: S95 permits the user to
customize the extended result codes.
Bit 0
Bit 1
Bit 2
Bit 3
Bit 4
Bit 5
Bit 6
Connect result code shows link speed
Add /ARQ to connect response
Add /VFC to Carrier response
Enable Protocol response
Not Used
Enable Compression Result Code
Not used
Bit 7
Not Used
XECOM
(16)
XE1401
FCC Part 68 Information
All equipment connected to the public telephone network in
If your system causes harm to the telephone network, the
telephone company may discontinue service temporarily. If
possible, they will notify you in advance. If advance notifica-
tion is not practical, you will be notified as soon as possible.
the United States must have FCC Part 68 Registration. Part 68
registration certifies that the device will not cause harm to the
telephone network. The XE1401 provides a user transferable
FCC Registration. This permits XE1401 customers to use our
FCC registration number without submitting their systems for
additional testing. Call Xecom technical support at 408-945-
6640 with any questions on whether your system qualifies to
use Xecom's FCC Registration Number.
Your telephone company may make changes in its facilities,
equipment, operations or procedures that could affect proper
functioning of your equipment. If they do, you will be notified
in advance to give you an opportunity to maintain uninter-
rupted telephone service.
In your operating instructions you must provide certain infor-
mation to the end user of the modem. The instructions should
include most of the instructions shown below. Only the
information regarding the mounting of the device in the final
assembly should be omitted.
If you experience trouble with this device, please contact
XECOM at (408) 945-6640 for assistance. The telephone
company may ask you to disconnect this device from the
network until the problem has been corrected or until you are
sure that the device is not malfunctioning.
FCC Instructions:
The device may not be used on coin service lines provided by
the telephone company (this does not apply to private coin
telephone applications which use standard telephone lines).
Connection to party lines is subject to state tariffs.
his product complies with Part 68 of the FCC Rules and
T
Regulations. On each device shipped, there is a label which
contains, among other information, the FCC Registration
Number and Ringer Equivalence Number (REN) for this
product. You must, upon request, provide this information to
your telephone company.
FCC Labels:
FCC rules also require a label which is visible from the outside
of the equipment. The label should display Xecom's name as
holder of the FCC Registration, the FCC Registration Number
and Ringer Equivalence of the modem. This is the same
information which appears on the top of each XE1401 module.
The mounting of this device in the final assembly must be
made in such a manner as to preserve the high voltage
protection between the TIP/RING Connection and the rest of
the system. Typically, this may be accomplished by maintain-
ing a minimum spacing .100 mils between the TIP/RING
Traces to the RJ-11C Jack and low voltage portion of the
system. No additional circuitry may be attached between TIP/
RING and the telephone line connection, unless specifically
allowed in the rules.
The REN is useful to determine the quantity of devices you
may connect to a telephone line and still have all of these
devices ring when the number is called. In most, but not all
areas, the sum of the RENs of all devices connected to one line
should not exceed five (5.0). To be certain of the number of
devices you may connect to the line, as determined by the
REN, you should contact the local telephone company to
determine the maximum REN for your calling area.
XECOM
(17)
XE1401
Terms of Sale
Devices sold by XECOM are covered by the warranty provisions appearing in its Terms of Sale only. XECOM makes no war-
ranty, express, statutory, implied, or by description regarding the information set forth herein, or regarding the freedom of the
described devices from patent infringement. XECOM makes no warranty of merchantability or fitness for any purposes.
XECOM reserves the right to discontinue production and change specifications and prices at any time and without notice.
This product is intended for use in normal commercial applications. Applications requiring extended temperature range, un-
usual environmental requirements, or high reliability applications, such as military, medical life-support or life-sustaining
equipment, are specifically not recommended without additional processing and authorization by XECOM for such application.
Xecom assumes no responsibility for the use of any circuitry other than circuitry embodied in a Xecom product. No other cir-
cuits, patents, or licenses are implied.
Life Support Policy
Xecom's products are not authorized for use as Critical Components in Life Support Devices or Systems.
Life Support Devices or Systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) sup-
port or sustain life, and whose failure to perform, when properly used in accordance with instructions provided in the labeling,
can be reasonably expected to result in significant injury to the user.
A Critical Component is any component of a life support device or system whose failure to perform can be reasonably ex-
pected to cause failure of the life support device or system, or to affect its safety or effectiveness.
Copyright, Xecom © 1999
While Xecom, Inc. has made every effort to ensure that the information presented here is accurate, Xecom will not be liable for
any damages arising from errors or omission of fact. Xecom reserves the right to modify specifications and/or prices without
notice. Product mentioned herein are used for identification purposes only and may be trademarks and/or registered trademarks
of their respective companies.
Xecom Incorporated
374 Turquoise Street, Milpitas, CA 95035
Ph:408-945-6640 Fax:408-942-1346
EMail info@xecom.com
Web Site www.xecom.com
XECOM
(18)
XE1401
相关型号：
XE1413I068TRLF
Telecom Circuit, 1-Func, BICMOS, PQCC40, 6 X 6 MM, 0.50 MM PITCH, LEAD FREE, TQFN-40
SEMTECH
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