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User's Manual

V34bis Fax-modem - AJ 2885 P

AJ 2885 P - Page 43

Appendix A - V24 signals

9.1.

V24 – V28 interface

Pin number

Name

CCITT number

101

Earth

protection

2 TXD

103

Data

transmission

3 RXD

104

Data

reception

RTS

105

Request to send

CTS

106

Clear to send

DSR

107

Data set ready

7 GND

102

Signaling

earth

8 CD

109

Carrier

detect

10 (*)

117

Dial backup indicator

SPD

High speed indicator

SCT

114

Time basis for signal elements at transmission.
Source: ETCD

SCR

115

Time basis for signal elements at reception

TB3

141

Test command. Local loop 3.

DTR

108/2

Data terminal ready

DB2

140

Test command: remote control of loop 2

22 RI

125

Ring

indicator

113

Time basis for signal elements transmission. Source:
ETTD.

25 TEST

142

Test

indicator.

(*) except FT model

CABLE DB9 - DB25

PC - MODEM

TXD

RXD

RTS

CTS

DSR

GND

DCD

DTR

20 DTR

22 RI

Содержание AJ 2885P

Страница 1: ...1 User s Manual V34 Fax modem AJ 2885P P N 8000 601 953 Revision 01 Sales manufacturing and R D Center CXR SA Rue de l Ornette 28410 Abondant France T l 33 0 237 62 88 00 Fax 33 0 237 62 88 01 Techni...

Страница 2: ...28 801 Foreword This document describes how to set up the CXR AJ 2885 P modem Chapter 1 is to familiarize the user with the operation of a modem Chapter 2 describes the installation Chapter 3 describe...

Страница 3: ...0 standards 5 VDC Input of the AJ 2885P xxV desktop unit 48 VDC Input of the AJ 2885 P xxC desktop unit Terminal V24 RS232 data port The following access are referenced as TNV Telecommunication Networ...

Страница 4: ...idential or light industrial use within the following environmental conditions Storage Temperature 0 to 70 C Operating Temperature 0 to 45 C Hygrometry 0 to 90 without condensation Class IP40 Flammabi...

Страница 5: ...disposed with other household wastes at the end of working life To prevent possible harm to the environment or human health from uncontrolled waste disposal please separate this from other types of w...

Страница 6: ...14 4 KBPS Cl 2 G 3 Fax V11 X21 V35 interface V23 Bell 202 T 1200 1200 4 wire mode LCD and 3 keys front panel remote action and alarm relays Firmware in Flash memory Metallic enclosure internal 110 23...

Страница 7: ...2885 will back up onto the dial up network Not only that it will continue to monitor the Leased Line until it is operational and switch back automatically This is called Intelligent Look Back Back up...

Страница 8: ...YNTAX OF AT COMMANDS 18 3 2 FIRST DIALOGUE 18 4 FRONT PANEL OPERATION 19 4 1 OPERATING MODES 19 4 1 1 Operating modes 19 4 1 2 The Front Panel 19 4 1 3 The Push Button 20 4 1 4 Configuration Select 21...

Страница 9: ...38 7 SPECIFICATIONS 39 7 1 LINE SIDE CHARACTERISTICS 39 7 2 AUTOMATIC CALL ANSWER 39 7 2 1 Originating 39 7 2 2 Answering a Call 40 7 2 3 Connection Disconnection 40 7 3 SERIAL INTERFACE 40 7 4 FAX MO...

Страница 10: ...modem also allows transfer of computer data such as ASCII files from a text processor PCX or TIF files from a graphic editor etc The Fax mode operation is controlled by a fax software which Converts...

Страница 11: ...ollowing speeds V22 1200 bps V22bis 2400 bps V32 9600 bps 4800 bps V32bis 14400 bps 12000 bps V34 33600 bps down to 2400 per steps of 2400 bps In case of failure on the leased line the AJ 2885 modem p...

Страница 12: ...ese functions are described in chapter 4 of this manual Some of the extra functions are Storage of phone numbers Forced V24 signals Exchange of a password between two modems Answer Back Pre qualificat...

Страница 13: ...ion Leased line RJ 11 cable except for STV and FTV versions A CD ROM that includes The AT and V25bis command reference manual This User manual Software as an option Connections Connect your modem as s...

Страница 14: ...the K3 option is available This function forces the line to be active when there is A faulty power supply No answer to a call after N rings N is set by the S20 register This maybe due to a non connec...

Страница 15: ...lation See rack operation manual to install your modem Find an empty location in the rack and insert the AJ 2885 card into its card guide Connection Connect your modem from the rear of the rack accord...

Страница 16: ...ly on the FT model The following data terminal signals can be forced ON through these four switches Switch Signal On position effect AT Command SW5 1 DTR The 108 DTR signal from the terminal is ignore...

Страница 17: ...y Its data memory Its stored memory Its data processing unit The test lasts a few seconds and ends with a series of Different tones if the test is ok The same tone if a failure is detected This failur...

Страница 18: ...orresponds to the Carriage return or Enter key f the keyboard The following commands do not comply with this syntax A or a to repeat the last command to escape from connect data mode to local command...

Страница 19: ...t panel or if a call is received when the modem is configured to answer calls 2 COMMAND MODE The modem enters the command mode when it receives a recognized command In this mode commands are interpret...

Страница 20: ...duplex Off Command Mode Equally a sign of bad DSP during power up test PSTN Off 300 bps Flash 1 Time 1200 bps Flash 2 Times 2400 bps Flash 3 Times 4800 bps Flash 4 Times 9600 bps Flash 5 Times 12000...

Страница 21: ...Factory configuration 4 V25bis BSC dialer AT F4 0 0 1 0 User configuration 0 AT M0 0 1 0 0 User configuration 1 AT M1 0 1 1 0 User configuration 2 AT M2 1 0 0 0 User configuration 3 AT M3 1 0 1 0 User...

Страница 22: ...remote one i e remote carrier is detected DATA 103 104 Flashes as data are received and transmitted by the modem DTR 108 Indicates that the data terminal equipment connected to the modem is ready for...

Страница 23: ...main menu Case 2 COMMAND ECHO ON CHANGE CHANGE VISUAL DISPLAY Comes back to configuration menu Case 3 COMMAND ECHO ON OFF COMMAND ECHO ON CHANGE Leaves the parameter unchanged From the main menu LEFT...

Страница 24: ...set by ATZ command or power lost To save memory and make modification permanent you must validate the last menu of the number editing PRESS ENTER TO SAVE NUMBER MEMORY On display Press the key Comment...

Страница 25: ...editing to get 3 then 3 to get 3 then 33 to get 2 then 332 to get 3 then 3323 to get 7 then 33237 to validate 33237 Note that dialable digits are available as well as control character Refer to the di...

Страница 26: ...ion V42bis and MNP automatic mode M2 Flow control RTS CTS LG2 This configuration can be modified for a specific application The following examples describe the most common applications 5 2 Selecting t...

Страница 27: ...to 14 4 KBPS The OM command selects the desired mode which is especially suitable for leased line connection Modulation DCE speed the M command selects the connection DCE speed when the Autobaud featu...

Страница 28: ...uding is either limited to the DTE speed detection A2 or disabled A0 DCE connection speed can be set up independently thanks to the M parameter DTE terminal speed remains unchanged in asynchronous mod...

Страница 29: ...be autobaud M10 75R 1200T V23 Modem can not be autobaud M11 1200 V22 1200 AT OM2 OM2 M1 2400 V22 Bis 2400 AT OM2 OM2 M2 4800 V32 4800 AT OM2 OM2 M3 9600 V32 9600 AT OM2 OM2 M4 7200 V32 Bis V32Bis fall...

Страница 30: ...on The modem is set in default factory configuration in automatic mode so that it can negotiate the best protocol with the remote modem A flow control should be configured in asynchronous mode to avoi...

Страница 31: ...Function M1 Selects the asynchronous connection mode M 0 Direct mode The modem is transparent to the transferred data Transfer delay is the lowest possible 1 Normal mode The modem buffers bytes and re...

Страница 32: ...connection The following example shows how to store a number name and control sequence at location 3 of the directory memory Dialing a direct line send the command ATDT36062424 CR Dialing via a PABX s...

Страница 33: ...h dialup requirements it is the user s responsibility to use this mode on a private line only 5 9 V23 and Bell 202 T Modes on Leased Line AJ2885P modem provides several V23 BELL202 modes on leased lin...

Страница 34: ...tion is saved even when the modem is turned off The modem will load the last saved user configuration at power up 5 11 V54 Maintenance The AJ 2885 modem provides V54 loop test functions The A terminal...

Страница 35: ...ror correction protocol AT M1 AT T7 same loop with automatic character sending and checking by the A modem It displays the error counter at the end of test The connection must be done without any erro...

Страница 36: ...e current user s parameters in bank 0 AT W5 activates factory configuration bank 0 for next reset with no change on the other user s configuration banks The last stored user configuration will be load...

Страница 37: ...answerback code see the following example The password can be up to 12 characters long Store answerback for example AC24Y AT A AC24Y AC24Y CR To disable answerback security AT A CR 6 4 Callback secur...

Страница 38: ...password matches the operator or supervisor password stored in memory then the modem will reconnect otherwise it will drop the line S32 number of minutes of inactivity that will start the password req...

Страница 39: ...0 dBm only some higher received level may induce a loss of performance Recom mendations Call Answer Speed Bps Xmit 0 Xmit 1 Received 0 Received 1 V22 bis Call 2400 1200 1200 2400 2400 Answer 2400 2400...

Страница 40: ...uter or terminal The serial port will automatically recognize DTE speeds up to 115200 bps This is called auto bauding Both asynchronous and synchronous except FSK V21 V23 modes with internal or extern...

Страница 41: ...Identification of called subscriber by CIG FCSI Identification of called subscriber by CSI FTSI Identification of calling subscriber by TSI FDTC Called fax return capability DCS frame FDCS Discussed c...

Страница 42: ...indicator Long flash check V24 cable Modem answers NO DIAL TONE Try to dial an outside line using the ADT command Make sure that you select a valid telephone number and dialling mode P Pulse T Tone L...

Страница 43: ...ckup indicator 12 SPD High speed indicator 15 SCT 114 Time basis for signal elements at transmission Source ETCD 17 SCR 115 Time basis for signal elements at reception 18 TB3 141 Test command Local lo...

Страница 44: ...1 101 P GND 101 P GND 2 103 TXD 103 A TXD A J 11 3 104 RXD 104 A RXD A J 14 4 105 RTS 105 RTS 5 106 CTS 106 CTS 6 107 DSR 107 DSR 7 102 S GND 102 S GND 8 109 CD 109 A CD A I A J 15 9 116 SS 116 SS 10...

Страница 45: ...n V11 X21 Signal DB15F Pin 1 Mechanical GND 1 2 TA Transmit 2 3 RA Receive 4 4 5 6 7 GND 8 8 IA Indication 5 9 10 11 XB DTE Clock 14 12 SB Clock 13 13 14 TB Transmit 9 15 16 RB Receive 11 17 SA Clock...

Страница 46: ...4 105 RTS C 5 106 CTS D 6 107 DSR E 7 102 S GND B 8 109 CD F 9 10 11 113 B XCK B W 12 115 B RCK B X 13 114 B TCK B AA 14 103 B TXD B S 15 114 A TCK A Y 16 104 B RXD B T 17 115 A RCK A V 18 141 TB3 K...

Страница 47: ...d line connector RJ11 connector Pin Signal 2W Signal 4W 1 Not used Not used 2 Not used Receive Tip 3 Tip XMIT Tip 4 Ring XMIT Tip 5 Not used Receive ring 6 Not used Not used 9 7 Alarm relay connector...

Страница 48: ...se either loop disconnect or DTMF signalling only the performance of the DTMF signalling is subject to regulatory requirements for correct operation It is therefore strongly recommended that the equip...

Страница 49: ...during the period of guaranty will abort the application of the guaranty Any damage due to an accident a bad use or a non compliant installation is not covered by the guaranty 3 Documentation The doc...

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