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Reference Guide for the Model XM128 ISDN Digital Modem

Index

V.110

call answering

6-10

making a call

6-10

V.120

answering incoming calls

6-12

6-13

bundled call

6-13

configuring

6-12

dialing out

6-13

error correction and data compression

with 6-15

making a bundled call with

6-13

selecting for European ISDN

6-11

V.42bis data compression

6-18

World Wide Web

X.75

Answering a call

6-16

bundled call

6-17

ISDN communications for Europe

6-16

making a call

6-17

prestored phone numbers

6-18

Summary of Contents for XM128

Page 1: ...M XM128NA 1 November 1997 NETGEAR Inc A Bay Networks Company 48105 Warm Springs Blvd Fremont CA 94539 USA Reference Guide for the Model XM128 ISDN Digital Modem...

Page 2: ...a Class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment gene...

Page 3: ...the operating instructions Federal Office for Telecommunications Approvals has been notified of the placing of this equipment on the market and has been granted the right to test the series for compl...

Page 4: ...RL http NETGEAR baynetworks com A direct connection to the Internet and a Web browser such as Internet Explorer or Netscape are required Bulletin Board Service NETGEAR maintains a bulletin board that...

Page 5: ...and Press xviii Other Conventions xix Related Publication xix Chapter 1 Introduction Features 1 1 Interface Options 1 3 Front Panel 1 3 Rear Panel 1 6 Chapter 2 Installation Package Contents 2 1 Insta...

Page 6: ...Chapter 5 Async to Sync PPP Internet and Remote Access PPP and SLIP 5 1 Making Async to Sync PPP and SLIP calls 5 1 Keeping a Line Connection During Idle Time 5 2 Answering Async to Sync PPP calls 5...

Page 7: ...unications 6 11 Selecting V 120 for European ISDN DSS1 Switch 6 11 Selecting V 120 for German National ISDN 1TR6 6 11 Answering a V 120 Call 6 12 Making a V 120 Call 6 12 Configuring the V 120 Mode 6...

Page 8: ...ng a Call for 1TR6 7 8 Best effort Call Answering 7 8 Ambiguity Resolution Switch for Voice Calls 7 9 Multi Auto Answering of Data Calls 7 9 Data Call Indication 7 10 Disable Inbound Call Connection 7...

Page 9: ...10 4 Setting up the Embedded EPA 10 5 Capturing the Protocol Data 10 5 Analyzing the Captured Data 10 6 10 8 Appendix A Technical Specifications General Specifications A 1 Appendix B Security Function...

Page 10: ...r Corrected Connections D 23 Appendix E Connector Pin Assignments RJ 45 Plug and Connector E 1 RJ 11 Plug and Connector E 3 Appendix F Serial Port Interface RS 232 Serial Interface F 1 Asynchronous Ca...

Page 11: ...the Model XM128 modem with U interface 1 4 Figure 1 3 Rear panel of the Model XM128 modem with S interface 1 6 Figure 1 4 Rear panel of the Model XM128 modem with U interface 1 6 Figure 2 1 Model XM12...

Page 12: ...xii Figures...

Page 13: ...des commands 4 4 Table 4 4 Switches supported by the Model XM128 modem 4 5 Table 4 5 AT commands for setting protocols 4 8 Table 4 6 AT commands for setting MSN 4 8 Table 5 1 S85 register values 5 4 T...

Page 14: ...10 4 Control key functions 10 7 Table B 1 Types of security B 2 Table B 2 Levels of security B 3 Table B 3 Auto callback commands B 4 Table C 1 Basic AT command set C 2 Table C 2 ATI3 command output...

Page 15: ...and RJ 45 connector pin assignments for the U interface E 2 Table E 3 RJ 11 connector pin assignments E 3 Table F 1 Serial port interface F 1 Table F 2 Asynchronous flow control cable connection F 2...

Page 16: ...xvi Tables...

Page 17: ...ession and can download video clips music or high resolution color graphics from the World Wide Web or other online services many times faster than an analog modem The Model XM128 modem supports concu...

Page 18: ...When you read enter type the text and press the Enter key When you read type type the text but do not press the Enter key When you read press press only the alphanumeric or named key When you read cli...

Page 19: ...FirstGear for the Model XM128 ISDN Digital Modem for a quick installation guide Refer to Table 1 to identify the contents of both manuals The subject column in this table identifies the order of basi...

Page 20: ...ing Chapter 3 See Getting Started Using FirstGear Table 2 Manuals Language Product Model Version Interface Reference Manual FirstGear Manual English Model XM128S International S T M XM128NA 0 M1 XM128...

Page 21: ...advantage of constant new developments the Model XM128 modem employs flash EPROMs which allow for convenient uploading of newly available firmware that preserves your hardware investment The Model XM1...

Page 22: ...atibility with both ISDN and remote public switched telephone network PSTN by way of ISDN Multiple signaling protocol compatibility with DSS1 1TR6 NI 1 AT T 5ESS and Northern Telecom DMS 100 network s...

Page 23: ...yourself with the components on the front panel as illustrated in Figure 1 1 and Figure 1 2 Use the key at the bottom of each illustration to identify the panel components Key 1 PWR power LED 2 ISDN L...

Page 24: ...ivity Description PWR Power Yellow On Power is supplied to the modem ISDN LEDs D Green On The ISDN link on the D channel is active Blinking The modem is attempting to make a connection to the switch B...

Page 25: ...S On The Model XM128 modem is ready to accept data from the connected data terminal or computer TD Blinking The data terminal or computer connected to the Model XM128 modem is transmitting data to the...

Page 26: ...onnecting to an ISDN line NT 1 5 PHONE 1 and PHONE 2 ports for connecting analog devices telephone fax or modem Figure 1 3 Rear panel of the Model XM128 modem with S interface Key 1 ON OFF switch 2 Re...

Page 27: ...his is the power receptacle for the power adapter RS 232 This RS 232 COM port is for connecting the Model XM128 modem to the serial port of a computer or data terminal ISDN This port is for connecting...

Page 28: ......

Page 29: ...32 25 pin to 25 pin cable 25 pin to 9 pin adapter This manual Getting Started Using FirstGear CD ROM with bundled software 3 5 inch driver and utility diskettes Warranty Registration Card Call your re...

Page 30: ...ting to the model with the S T interface you must use an NT 1 device which converts the S T interface to a U interface If connecting to the Model XM128 modem with the U interface you can connect direc...

Page 31: ...ican models connect the other end of the RJ 45 ISDN cable to the wall jack installed by your phone company 6 Using the proper cable insert the round end of the power adapter in the POWER connector on...

Page 32: ......

Page 33: ...tarting your computer If you are using a non Plug and Play protocol follow the steps to complete installation 1 Open the Control Panel by double clicking the Control Panel icon in your My Computer fol...

Page 34: ...erver select NETGEAR XM128 V 120 64K If you are calling another location such as a BBS system select NETGEAR XM128 V 120 64K If you dial up to CompuServe select NETGEAR XM128 V 120 64K If you are call...

Page 35: ...ng FirstGear for the XM128 ISDN Digital Modem for complete instructions This chapter explains how to set up your switch using the Windows Windows 95 utility that comes with the modem If your Model XM1...

Page 36: ...from the computer keyboard Command statements must be written in a specific form in order for the Model XM128 modem to recognize them A command statement begins with the letters AT or at It is then f...

Page 37: ...nd that appears to the right might overwrite the command to the left for example ATB13B14 results in ATB14 because both B13 and B14 cannot coexist If you see duplicated characters for each one you typ...

Page 38: ...country or region of operation and the firmware version number The second line is the firmware checksum which changes based on your firmware version Communication Speed Setup Make sure the program is...

Page 39: ...ur switch type use AT commands examples given are if your switch type is DMS 100 with Custom Protocol and follow these steps 1 Type ATP0 and press Enter You should receive the following response OK Sw...

Page 40: ...econds for the response This response indicates that the SPID number was accepted If a second SPID is required go to step 2 2 Type ATSPID1 n and Enter You should receive the following response OK SPID...

Page 41: ...ype AT W0Z0 and Enter to save the settings You should receive the following response OK Setup for Europe and the United Kingdom To configure your Model XM128 modem for Europe and the United Kingdom fo...

Page 42: ...434 7 Type the AT command AT W0Z0 to store the information into NVRAM Table 4 5 AT commands for setting protocols Protocol AT command X 75 ATB00 O2 V 110 user rate 38400 bps ATB18 O2 V 120 ATB20 O2 PP...

Page 43: ...asynchronous protocol do not work with this type of equipment The Model XM128 modem converts the asynchronous data it receives from your computer to synchronous format in order to communicate with ISD...

Page 44: ...TDI remote_access_number Enter The Model XM128 modem responds Connect 115000 64000 PPP None Keeping a Line Connection During Idle Time If you are using PPP to access a server the server probably has a...

Page 45: ...bundling of the two B channels allowing connection speeds of 128Kbps MPPP support is a standard feature of the Model XM128 modem Making a call using Multilink PPP A Multilink PPP connection is initia...

Page 46: ...advises a system that the peer on this link could be the same as the peer on another existing link Some Multilink PPP implementations require the use of the Endpoint Discriminator option The Endpoint...

Page 47: ...e The Model XM128 modem automatically removes one of the Multilink PPP connections and uses it for the voice call When the voice call ends the Model XM128 modem automatically reestablishes that channe...

Page 48: ......

Page 49: ...ork ISDN data Analog port PHONE 1 communication Analog port PHONE 2 communication These modes are automatically switched based on the commands you issue To understand this process use your terminal pr...

Page 50: ...og Adapter Port 1 Using the A command following the ATD tells your Model XM128 modem to switch the call to analog adapter port PHONE 1 when dialing is complete Enter ATDA17146930762 Dialing Out for An...

Page 51: ...on mode to use that is ATD or ATDT Placing the Call To initiate a call choose the proper communication mode and configure the mode according to the bearer service or protocol you want to use Table 6 2...

Page 52: ...nection using the proper ISDN protocol When an analog call comes in the modem sends the call to the analog port as the factory default PHONE 1 and then PHONE 2 Digital Data The Model XM128 modem curre...

Page 53: ...cates that the information received is too long Both sides then reset their link layer negotiation and send the frame again Usually this process repeats until the call gets disconnected The Model XM12...

Page 54: ...nt communication protocols and two analog adapters Table 6 3 shows the commands used to assign each of the ports to an ISDN number The command AT ZI can be used to display the MSN numbers The factory...

Page 55: ...either PHONE 1 jack or PHONE 2 jack The entry to use would depend on the type of data call that you are expecting If you expect only PPP type of calls you should enter the number that the remote user...

Page 56: ...analog adapter 1 is busy the call is routed to the analog adapter PHONE 2 AT L1 The analog adapter 2 has the higher priority to answer a voice or voice band analog data call If the analog adapter 2 is...

Page 57: ...ING FM 17145522863TO 17142630398 Understanding ISDN Communication Protocols Table 6 5 shows the specifications of different ISDN protocols Table 6 5 ISDN protocol specifications Parameter V 110 V 120...

Page 58: ...ng the data over speech bearer call to be coming for X 75 protocol Use AT ZI1 n Refer to Data over Speech Channel on page 6 7 for details To allow the Model XM128 modem to answer the incoming call you...

Page 59: ...information element in the setup message Although we can specify V 120 in the low layer compatibility LLC information element some switches just do not deliver the LLC Other switches do deliver the LL...

Page 60: ...als through the D channel out of band signaling allowing both B channels to be used exclusively for your communication purposes This arrangement allows for throughput of 64 Kbps per channel However no...

Page 61: ...e phone number you want to dial Once the connection is made you should see the following connect messages CONNECT 115200 V120 56000 LAPD This message indicates that the connection is made with the fol...

Page 62: ...messages are received The two data calls are established as one message The phone company s ISDN line splits it off into two messages That is the ISDN network treats the messages as two independent c...

Page 63: ...rection and Data Compression with V 120 With V 120 the default setting is for Link Access Protocol Digital LAPD error correction only No data compression is negotiated The following AT commands are us...

Page 64: ...DTE DCE communication Answering an X 75 Call There is no need to configure the ISDN mode to the protocol of an incoming call The Model XM128 modem is able to determine the correct protocol to use by e...

Page 65: ...the same except for the Call Reference values AT Jn can be used for bundle configuration as follows AT J0 disables B channel bundling AT J1 enables B channel bundling in answer mode only AT J2 enable...

Page 66: ...hone number for the second connection n 0 39 m 0 39 Invoking V 42bis Data Compression The following AT commands are used to switch the V 42bis data compression on or off for ISDN data calls when using...

Page 67: ...can be exchanged through the main B channel which corresponds to the call established by the first setup message Only one data compression channel can be used in bundle connection which means that the...

Page 68: ......

Page 69: ...ty element indicates what kind of bearer service is desired It is also used for compatibility checking in the addressed entity The called party number element provides necessary information for the te...

Page 70: ...the value of S register S 108 n as follows n 0 S108 setting for analog adapter 2 n 2 S110 setting for ISDN data calls n 3 S111 setting for analog adapter 1 Table 7 1 lists the S register values and t...

Page 71: ...Numbers and Subaddresses The calling party number information element identifies the origin of a call and the called party number information element identifies the destination of a call The calling...

Page 72: ...ational standard numbering plan N9 for private numbering plan Zn specifies the subaddress type Z0 for NSAP Rec X 213 with AFI 0x50 IA5 characters default if Zn is omitted Z2 for user specified IA5 cha...

Page 73: ...s assigned when you configure the B channel protocols using the command ATBnn Because there are a number of combinations of voice or voice band data services on the analog adapters users may want to c...

Page 74: ...egrated multifunction features the Model XM128 modem can be imagined as a black box containing multiple distinct terminals Each of these internal terminals can be assigned one EAZ using the command AT...

Page 75: ...Z The number assigned by AT ZOx Origination_EAZ if any can be used for the Origination Address W element while dialing The default settings of origination EAZ of all the types of calls are UNASSIGNED...

Page 76: ...the called party subaddress this address is compared with the MSN subaddress numbers assigned by the AT ZIn xxxx commands The call is accepted using the specific protocol if the assigned number of th...

Page 77: ...ommand sets the address ambiguity resolution flag AT L0 The analog adapter 1 has the higher priority to answer a voice or voice band data call If the analog adapter 1 is busy the call is routed to the...

Page 78: ...al back up systems The number string is assigned as follows ATCI Prefix When and only when the type of number denotes an international number this Prefix is added to the calling party number before in...

Page 79: ...ws S119 1 0 to disable point to point DDI function default S119 1 1 to enable point to point DDI function Placing a Call To initiate a call configure the Model XM128 modem according to the bearer serv...

Page 80: ...ent to the addressed entity The called party subaddress is transferred transparently by the ISDN network to the destination Use ATDL to redial the last dialed telephone number and or subaddress Placin...

Page 81: ...before dialing the user to user information element is sent in the setup message Whether the information element can be sent to the called party or not is switch dependent If the switch supports this...

Page 82: ......

Page 83: ...ectors labeled PHONE 1 and PHONE 2 on the back of the Model XM128 modem The analog adapters use RJ 11 phone jacks The pin assignment of the connectors and plugs are shown in Appendix E Connector Pin A...

Page 84: ...lls to PHONE 1 if the line is not in use AT L1 orATS84 5 1 Assign analog calls to PHONE 2 if the line is not in use AT ZIn s MSN setting assign called phone number s to be answered by n port where n 6...

Page 85: ...wait for the remote device to answer 3 Use ATDAs ATDBs to place a call for the analog adapter 1 analog adapter 2 When the hook sensor of the analog adapter detects that the handset on the telephone d...

Page 86: ...automatically when it is received As the manufacturer default the call is sent to the analog adapter PHONE 1 first then PHONE 2 if PHONE 1 is busy The MSN is set AT ZIn s as shown in Table 6 1 to spec...

Page 87: ...om the NETGEAR bulletin board system BBS WWW or FTP site Refer to Customer Support on page iii The firmware is distributed in the ONETd vvv file where the extension vvv denotes the version of this fir...

Page 88: ...ming please upload 4 Use the X modem Protocol to upload the file ONETd vvv to your Model XM128 modem This step updates the flash EEPROM of the modem with the new firmware When installation is complete...

Page 89: ...l loopback tests Diagnostic command Modem reset Power on Self test At each power up sequence or upon a reset command from the panel the Model XM128 modem tests the ROM code checksum system RAM memory...

Page 90: ...e DTE interface to the transmitter of the Model XM128 modem Data is then packetized to the proper frame format according to the B channel protocol selected Finally the data is looped back to the recei...

Page 91: ...and receiving data B1 B2 loopback test successed Disconnecting NO CARRIER The modem loopback test is complete The Diagnostic Command The ATCG command is used to test and isolate fault if there are an...

Page 92: ...t it back because the unit is locking up or you just want to reset it back to the factory default state the following reset procedure helps you to reset the modem back to the factory default state To...

Page 93: ...ht decide to fix the problem yourself modify the configuration and try again or log the analyzed results as a file a very comprehensive bug report and then send it to NETGEAR Technical Support Capturi...

Page 94: ...ed by the EPA The EPA starts to capture data when the command ATCT is issued This capturing process continues until the command ATC is issued The EPA maintains 8 Kbytes RAM as a ring buffer In case th...

Page 95: ...on the numeric keypad make sure that Num Lock is on The functions of the control keys are listed in Table 10 4 Any other key pops up the control menu Table 10 4 Control key functions Key Function Desc...

Page 96: ......

Page 97: ...ards Compatibility WAN Protocols Multilink PPP BACP PPP V 120 V 110 X 75 ISDN Standards National ISDN 1 North America AT T 5ESS Custom North America 1TR6 Europe Nortel DMS 100 North America EURO ISDN...

Page 98: ...A 22W max UL CSA North America CE TUV Europe TMark Japan Physical Specifications Dimensions 190 x 122 x 31 mm 7 5 x 4 8 x 1 2 in Weight 0 7 kg 1 6 lb Environmental Specifications Operating temperature...

Page 99: ...following types of security Type 1 security is used when the remote modem is a NETGEAR modem Type 2 security is used when the remote modem is a non NETGEAR device With a Type 1 connection the dial in...

Page 100: ...ing to the password If they are matched the local modem chooses either to keep the connection or to disconnect then it calls back according to the following settings of bit 6 of S119 S119 6 0 This set...

Page 101: ...ngth is eight characters for each entry The security functions are accessible only through AT commands in terminal mode A supervisory password is required for adding or modifying the entries The defau...

Page 102: ...and verified The command AT V lists both the 40 user passwords and the supervisor password on the screen for viewing Nonpassword Auto Callback Function In addition to the standard modem like security...

Page 103: ...lex mode the Model XM128 modem is used just like an ordinary modem The DTE interface is either in the command state or in the data state Only one data connection session is possible at any time To per...

Page 104: ...ted by the Model XM128 modem An asterisk following a command option or value indicates that it is a default setting when the Model XM128 modem is shipped Table C 1 lists the basic AT command set Table...

Page 105: ...bps B18 V 110 user rate 384000 bps sync only B19 V 110 user rate 576000 bps sync only B20 V 120 B40 PPP async to sync conversion B41 SLIP async to sync conversion CEn Call bumping for MPPP and CCB See...

Page 106: ...he second number string to be used in making bundling or MPPP calls W Wait for second dial tone Remaining digits are dialed as in band DTMF ISDN numbering options Y0 Unknown type of number Y1 Internat...

Page 107: ...on of Extended S registers refer to Table D 4 on page D 5 in Appendix D Status Registers and Result Codes En Command mode local echo of keyboard commands See also S register 23 0 For a description of...

Page 108: ...ocol selection USA for American version P0 Northern Telecom proprietary ISDN P1 National ISDN 1 1 SPID P2 National ISDN 1 2 SPID P3 Reserved P4 AT T custom point to point P5 AT T custom point to multi...

Page 109: ...ix D Status Registers and Result Codes V0 Displays result code in numeric form See also S register 35 7 and the result code table of ATXn For a description of Extended S registers refer to Table D 4 o...

Page 110: ...al disconnection reason for the last session HDLC FCS Error Errors in frame block checksum If there were many FCS Errors you may have experienced problems on the line HDLC Transmit Under run For proce...

Page 111: ...118 2 For a description of Extended S registers refer to Table D 4 on page D 5 in Appendix D Status Registers and Result Codes E0 64 Kbps E1 56 Kbps Default for American ISDN F Load factory settings t...

Page 112: ...Codes O0 ATDs ATDPs and ATDTs default to make calls for analog adapter PHONE 2 O2 ATDs ATDPs and ATDTs default to make ISDN data calls O3 ATDs ATDPs and ATDTs default to make calls for the analog adap...

Page 113: ...information The call is accepted using the specific protocol if the assigned number of this protocol matches with the called_party_number n 0 Assigns multiple subscriber number MSNs phone number for X...

Page 114: ...Result Codes D0 See also S35 4 and S38 0 For a description of Extended S registers refer to Table D 4 on page D 5 in Appendix D Status Registers and Result Codes Gn Security function selection See als...

Page 115: ...ive profile If you want to read or change the values in a profile that is currently inactive you must first recall that profile to make it active S0 to S11 are standard AT S registers and S12 to S124...

Page 116: ...e given range Although the first command modifies all bits in the S register simultaneously the second command lets you change bit b without affecting other bits in this S register When using ATSr n d...

Page 117: ...value type the ATS38 n command to set the register Table D 1 Binary conversion table Bit Binary value Decimal value Hexadecimal value 0 00000001 1 01 1 00000010 2 02 2 00000100 4 04 3 00001000 8 08 4...

Page 118: ...default settings Table D 3 Basic S registers ATSn x Command Function and description Default S0 Sets the number of rings on which the Model XM128 modem answers 0 value disables auto answer 000 S1 Cou...

Page 119: ...11 bit character length C1 16 10 9 bit character length C2 24 18 8 bit character length C3 7 5 0 0 Profile 0 as active settings after power on Z0 32 20 Profile 1 as active settings after power on Z1...

Page 120: ...14 E 460800 bps 15 F 921600 bps S21 Bitmapped register 1 2 0 0 Speaker is always off M0 2 2 Speaker is on until carrier is detected M1 4 4 Speaker is always on M2 3 0 0 DSR is always on S0 8 8 Accord...

Page 121: ...e Model XM128 modem to profile 0 after DTR dropped D3 S23 Bitmapped register 105 0 0 0 Command echo is disabled E0 1 1 Command echo is enabled E1 2 0 0 Insertion is not allowed during a PHONE call 4 4...

Page 122: ...lue L0 3 S25 0 255 0 FF Specify the time delay that DTR signal needs to be off before it is recognized in 10 ms units If S25 0 the delay time is set to 4 ms 000 S27 Bitmapped register 3 5 0 0 Flow con...

Page 123: ...se is sent C1 S21 4 S40 Bitmapped register 000 1 2 2 No result code displayed in answer mode Q2 S41 Bitmapped register 000 3 8 8 Enables CCITT signals 140 and 141 on EIA 232D interface S42 Bit Bitmapp...

Page 124: ...patibility for PHONE 2 Model XM128 modem or internal fax modem 2864I 6 0 0 Do not send low layer compatibility information for ISDN data call 64 40 Send low layer compatibility for ISDN data call 7 0...

Page 125: ...56K 76 SLIP to sync HDLC conversion 64K 77 SLIP to sync HDLC conversion 56K S83 Bitmapped register 000 0 0 0 Disables loopback 4 test CP0 1 1 Enables loopback 4 test CP1 2 0 0 ISDN without V 42bis K0...

Page 126: ...function 0 0 0 DCA function is disabled CE0 1 1 DCA function is enabled CE1 1 6 0 Add persist time interval KAxn 7 0 0 S85b1 6 is in Second unit KASn 128 80 S85b1 6 is in Minute unit KAMn S86 D channe...

Page 127: ...ering pulse of analog adapter PHONE 2 32 32 Enables the metering pulse of analog adapter PHONE 2 6 0 0 Disables the metering pulse of analog adapter PHONE 1 64 40 Enables the metering pulse of analog...

Page 128: ...Kbps The defaults are s104 1 for a b adapter 2 s105 reserved s106 7 for ISDN data s107 1 for a b adapter 1 S108 n Outgoing service additional for 1TR6 only information n 0 analog adapter PHONE 2 n 2 I...

Page 129: ...f stop bits 2 0 00 No parity 8 08 Even parity 192 C0 1200 bps 195 C3 2400 bps 196 C4 4800 bps 197 C5 9600 bps 198 C6 14400 bps 199 C7 19200 bps 64 40 38400 bps 160 A0 Sync V 110 160 A0 1200 bps 163 A3...

Page 130: ...imile Group 2 3 40 28 Teletex service Rec F 220 49 31 Teletex service Rec F 200 50 32 Information interworking for Video Services Rec F 300 T 110 53 35 Telex service Rec F 60 56 38 Message handling sy...

Page 131: ...alog adapter PHONE 2 5 0 0 Uses 3 1KHz bearer service whenever possible for analog adapter PHONE 1 32 20 Uses speech bearer service whenever possible for analog adapter PHONE 1 6 0 0 Enables analog ad...

Page 132: ...0 0 Enables normal MSN function ZIn 32 20 Treats the number assigned by ZI n as subaddress and matches with the called party subaddress for inbound call routing S120 Accumulated charging unit MSB byte...

Page 133: ...nit JSn 32 Table D 5 ATXn command setting options ATV0 ATV1 X0 X1 X2 X3 X4 X5 X6 X7 0 OK V V V V V V V V 1 CONNECT V V V V V 2 RING V V V V V V V V 3 NO CARRIER V V V V V V V V 4 ERROR V V V V V V V V...

Page 134: ...307200 27 CONNECT 153600 28 CONNECT 102400 29 CONNECT 61440 30 CONNECT 51200 31 CONNECT 62400 32 CONNECT 124800 33 CONNECT 62400 34 CONNECT 41600 35 CONNECT 31200 36 CONNECT 249600 37 CONNECT 20800 38...

Page 135: ...the result codes Table D 6 Result code chart V Supported Reports the DTE Speed as cr lf CONNECT DTE_Speed cr lf CONNECT DTE_Speed Protocol DCE_Speed Error_Control Example CONNECT 115200 V120 64000 LA...

Page 136: ...name Possible values Error_Code NONE ARQ Error_Control LAPB LAPD V42 This field will not show if no error control is negotiated Data_Compression V42b DCE_Speed All possible DCE speeds supported DTE_Sp...

Page 137: ...Example ATS35 7 1 enter Table D 8 lists the connect strings Table D 8 Connect strings ATV0 ATV1 ATV0 ATV1 50 CONNECT 61 CONNECT 24000 51 CONNECT 1200 62 CONNECT 26400 52 CONNECT 2400 63 CONNECT 28800...

Page 138: ......

Page 139: ...connector labeled ISDN S or ISDN U is for an ISDN line connection S T interface or U interface and the RJ 11 connectors labeled PHONE 1 and PHONE 2 also known as analog adapters in European countries...

Page 140: ...nts for the RJ 45 plug and RJ 45 connector for the U interface Table E 1 RJ 45 plug and RJ 45 connector pin assignments for the S T interface Pin Assignment 1 Not connected 2 Not connected 3 RCV 4 XMT...

Page 141: ...2 shows an RJ 11 plug and an RJ 11 connector Figure E 2 RJ 11 plug and RJ 11 connector Table E 3 lists the pin assignments for RJ 11 plugs and the RJ 11 connectors for the PHONE 1 and PHONE 2 ports Ta...

Page 142: ......

Page 143: ...TSS signal name EIA signal name Signal pin description Signal direction DTE DCE 1 101 AA Protective ground GND 2 103 BA Transmitted data TXD 3 104 BB Received data RXD 4 105 CA Request to send RTS 5...

Page 144: ...signal source DTE 25 142 Test indicator Table F 2 Asynchronous flow control cable connection Modem DCE DB25 Signal To PC DTE DB 9 To DCE Null DB25 To MAC Mini 8 To NeXT 68 040 Mini 8 2 TXD 3 3 3 3 3...

Page 145: ...types of equipment to communicate across different types of switches in every part of the world Implementation of network switches by telephone companies differs from country to country In North Ameri...

Page 146: ...llow the user to use the D channel for sending and receiving user data Out of Band Signaling Some switches transmit all the network signals through the D channel freeing both B channels to be used exc...

Page 147: ...XM128 modem provides two POTS ports PHONE 1 and PHONE 2 for you to connect analog devices this feature lets you continue to use analog communications You can connect phones fax machines or analog mod...

Page 148: ...28 modem with a U interface is called a Model XM128U modem and can be connected directly to the ISDN jack installed by the telephone company SPID Setup Service provider identification SPID numbers are...

Page 149: ...information to use as a guide The three types of worksheets provided are AT T 5ESS Northern Telecom DMS 100 and Siemens EWSD The switch protocol Ask the telephone company representative which switch...

Page 150: ...uring your ISDN line for the AT T switch Information the telephone company must provide Switch Protocol __ NI 1 __ Point to Point __ Multipoint Number of SPIDs __ 0 __ 1 __ 2 ISDN 1 _______________ SP...

Page 151: ...nformation about your configuring your ISDN line for the DMS 100 switch Information the telephone company must provide Switch protocol __ NI 1 __ Point to Point __ Multipoint Number of SPIDs __ 0 __ 1...

Page 152: ...efer to Table G 3 for information about your configuring your ISDN line for the EWSD switch Information the telephone company must provide Switch protocol __ NI 1 __ Custom Number of SPIDs __ 0 __ 1 _...

Page 153: ...3 EAZ 7 6 EPA 10 7 European switches 8 2 extended C 8 C 12 for analog calls 8 2 frequently used 8 2 ISDN numbers assigning 6 6 issuing 4 3 MSN 4 8 placing a call 6 3 result codes 4 4 types supported 4...

Page 154: ...tocol analyzer error correction 6 15 Europe configuration for 4 7 F features 1 1 flash EPROM upgrading 9 1 frequently used AT commands 8 2 front panel 1 3 H HDLC 5 1 5 3 I incoming calls 6 3 7 10 inst...

Page 155: ...1 reset modem 10 4 result codes D 21 RJ 11 connector pin assignments E 3 RJ 45 connector pin assignments E 1 RS 232 interface F 1 RS 232 port 1 6 S security level 1 B 2 level 2 B 2 level 3 B 3 types...

Page 156: ...13 bundled call 6 13 configuring 6 12 dialing out 6 13 error correction and data compression with 6 15 making a bundled call with 6 13 selecting for European ISDN 6 11 V 42bis data compression 6 18 W...

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