Page 2 - Restricted Rights Notification for U.S. Government Users; Notice
Notice © 1998 3Com Corporation 5400 Bayfront PlazaSanta Clara, CA 95052-8145(408) 326-5000All rights reserved.Printed in U.S.A.Portions reprinted with the permission of Motorola, Inc. Restricted Rights Notification for U.S. Government Users The software (including firmware) addressed in this manual ...
Page 3 - Proprietary Material
Notice (continued) Proprietary Material Information and software in this document are proprietary to 3Com (or its Suppliers) and without the express prior permission of an officer of 3Com, may not be copied, reproduced, disclosed to others, published, or used, in whole or in part, for any purpose ot...
Page 5 - Contents
Contents i About Packet Assembler/Disassembler ........................................................ 2 Typical Applications ..................................................................................... 3 PAD Port Configuration .................................................................
Page 7 - Configuring PAD/ATPAD Ports; Introduction
Configuring PAD/ATPAD Ports 1 Configuring PAD/ATPAD Ports Overview Introduction This manual describes the PAD and ATPAD port configurations used on PathBuilder S200 series switches. It includes explanations of both PAD port types, commands that can be used, and how to configure a node for either PAD...
Page 8 - About Packet Assembler/Disassembler; What is an ATPAD
2 Configuring PAD/ATPAD Ports About Packet Assembler/Disassembler About Packet Assembler/Disassembler What is a PAD? A Packet Assembler/Disassembler, or PAD for short, gives you network access and ensures compatibility between different hosts and terminals and a packet switched network. A PAD does t...
Page 9 - Typical Applications; Figure 1. Topologies with and Without the PAD
Configuring PAD/ATPAD Ports 3 Typical Applications Typical Applications Introduction You can access the PAD with PC scripts. The PC scripts use AT commands to make calls through an X.25 network. Example Figure 1 shows the use of modems in an application. It also shows how the PathBuilder S200 series...
Page 10 - PAD Port Configuration; Refer to the Configuration Basics Guide for CTP procedures.; Figure 2. PAD Port Record
4 Configuring PAD/ATPAD Ports PAD Port Configuration PAD Port Configuration Introduction In order to configure a PAD port, you must first access the CTP on your PathBuilder S200 series switch. Note Refer to the Configuration Basics Guide for CTP procedures. PAD Port Configuration Record Figure 2 sho...
Page 11 - Guidelines
Configuring PAD/ATPAD Ports 5 PAD Port Configuration Guidelines When the Port Type is PAD, follow these guidelines for configuring parameter values of the other port parameters: Other Tables You Must Configure If your port type is PAD Port, you must also configure parameters in the: • PAD Profile Ta...
Page 12 - Step; Configure
6 Configuring PAD/ATPAD Ports PAD Port Configuration Accessing the Record Follow these steps to access the PAD Port Record: Step Action Result 1 Select Configure , from the CTP Main menu. The Configure menu appears. 2 Select Port from the Configure menu and configure the Port Number in the Port Reco...
Page 13 - Configuring the PAD Port; Use Connection Type
Configuring PAD/ATPAD Ports 7 PAD Port Configuration Configuring the PAD Port Introduction This section describes the PAD port parameters. Any parameter with an asterisk (*) requires a Node boot. Parameters From the PAD port record, you can configure these parameters: Connection Type Range: SIMP, DT...
Page 14 - Port Control
8 Configuring PAD/ATPAD Ports PAD Port Configuration DIMO A crossover cable attaches a dial modem to the port, and whose handshake uses modem control signals as calls are made. Types of DIMO operation are: • Dial In: Calls received from the telephone network. • Dial Out: Calls received from the port...
Page 15 - Port Speed; Auto Baud Sequence
Configuring PAD/ATPAD Ports 9 PAD Port Configuration Port Speed Range: 50, 75, 100, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800, 7200, 9600, 14400, 19200, 28800, 38400, 75/1200, AUTO Default: 9600 Description: Specifies the port speed in bits per second. • Port speed is set by this paramete...
Page 16 - Data Bits per Character; NONE; Number of Stop Bits; to 8 alphanumeric characters
10 Configuring PAD/ATPAD Ports PAD Port Configuration Data Bits per Character Range: 5 to 8 Default: 8 Description: Sets the bits per character. This value must match the number of bits per character used by the attached device. Device Parity Range: NONE, SPAC, MARK, EVEN, ODD, AUTO Default: NONE De...
Page 17 - Call Control
Configuring PAD/ATPAD Ports 11 PAD Port Configuration Call Control Range: NONE, AUTO, AUTC, PCUD, IBAR, OBAR, MNEM, TMNEM Default: NONE Description: Specifies PAD behavior and limitations when making and receiving calls: • NONE: No options • AUTO: Automatically places a call when an EIA connection i...
Page 18 - Terminal Control
12 Configuring PAD/ATPAD Ports PAD Port Configuration Terminal Control Range: NONE, PASS, LIM, CUG, LCPY, 7BIT, NADD, X.28, CNUI, CUGOA, BMSG, ADDR, FRCB, CUGIA Default: NONE Description: Specifies options for the attached device: • NONE: No option specified • PASS: A password is required (configure...
Page 19 - PAD Prompt Entry Number; No updates will be sent if this parameter is set to zero (0).; Autocall Mnemonic
Configuring PAD/ATPAD Ports 13 PAD Port Configuration PAD Prompt Entry Number Range: 0 to 8 Default: 0 Description: Specifies the customized prompt from the PAD Prompt Table. This parameter is ignored when Terminal Control = PASS and the PAD Prompt Entry Number is taken from the NUI/Password Table e...
Page 20 - Maximum Number of Autocall Attempts; • When the limit is reached, the port stops attempting to make a; Subaddress; • Use the space bar to blank the parameter value.; CUG Membership; to 8 two-digit numbers
14 Configuring PAD/ATPAD Ports PAD Port Configuration Maximum Number of Autocall Attempts Range: 0 to 255 Default: 4 Description: Specifies the number of times the PAD port attempts to call, when autocalling is enabled. • When the limit is reached, the port stops attempting to make a call. • For unl...
Page 21 - Billing Records
Configuring PAD/ATPAD Ports 15 PAD Port Configuration Billing Records Range: OFF, ON Default: OFF Description: • ON: generates billing records for all calls to and from this port and for failed calls from this port. • OFF: generates no billing records. This only works after you have configured Billi...
Page 22 - Note
16 Configuring PAD/ATPAD Ports PAD Port Configuration *Protection Level Range: NONE, CP_ONLY, FULL_DCP Default: NONE Description: Specifies how Data Connection Protection is implemented for this port: • NONE: The feature is turned off. • CP_ONLY: Connection protection only. • FULL_DCP: Full data and...
Page 24 - PAD Command Language
18 Configuring PAD/ATPAD Ports PAD Port Configuration PAD Command Language Range: CCITT, DPN Default: CCITT Description: Specifies the language used for PAD commands. • CCITT: X.28 CCITT • DPN: DPN ITI NUI Facility Format Range: ODPN, NDPN, 1992_DPN Default: ODPN Description: Specifies the NUI facil...
Page 25 - Action Type for NUI violations
Configuring PAD/ATPAD Ports 19 PAD Port Configuration Action Type for NUI violations Range: NONE, DISC, DEGR, LOCK Default: NONE Description: This specifies the course of action to be taken if the NUI violations exceed the configured threshold count. This parameter is effective only if the Port Cont...
Page 26 - PAD Port Configuration for Autocalling
20 Configuring PAD/ATPAD Ports PAD Port Configuration PAD Port Configuration for Autocalling Introduction You must configure several parameters within the PAD port record specifically for autocalling. • Call Control (set to AUTO or AUTC) • Autocall Mnemonic (this must be defined in the Mnemonic Tabl...
Page 27 - Figure 3. SDLC Mnemonic Autocall Addressing
Configuring PAD/ATPAD Ports 21 PAD Port Configuration SDLC Mnemonic Addressing Calls placed in a port configured for SDLC must use the mnemonic calling feature. Figure 3 shows the configuration process for calls on SDLC ports. Station 2, Port 4 in Node 100 is configured to call Station 3, Port 3 in ...
Page 28 - PAD Port Configuration for Autospeed; Figure 4. Autospeed Inter-Character Delay
22 Configuring PAD/ATPAD Ports PAD Port Configuration PAD Port Configuration for Autospeed Introduction Autospeed is a convenient way to configure a PAD port's speed, especially when you want a mix of terminal speeds. For example, autospeed is useful when the PAD port is connected to a modem that is...
Page 29 - PAD XON/OFF Support Using X.25 Interrupt Packets; How It Works; connected to PathBuilder S200 series switches.
Configuring PAD/ATPAD Ports 23 PAD Port Configuration PAD XON/OFF Support Using X.25 Interrupt Packets What is It? There is a Customer Software Key (CSK) that enables the transmission of XON/XOFF asynchronous data characters across a Public Data Network (PDN) using X.25 Interrupt packets. This impro...
Page 30 - To enable this CSK
24 Configuring PAD/ATPAD Ports PAD Port Configuration To enable this CSK Complete these steps to enable the XON/XOFF CSK: Step Action 1 Select Configure from the CTP Main menu. 2 Select Software Key Table from the Configure menu. 3 Press Return to access the Key Value field and enter the CSK number:...
Page 31 - PAD Prompt Table Record; Figure 6. PAD Prompt Table Record; Before You Begin
Configuring PAD/ATPAD Ports 25 PAD Prompt Table Record PAD Prompt Table Record Introduction You can change the PAD prompt which appears when a terminal connects to a PathBuilder S200 series switch and is in Command Mode. The default prompt is an asterisk (*). You use the PAD Prompt Table to change t...
Page 32 - PAD Prompt Table Record Parameters; This section describes the PAD Prompt Table parameters.; Parameters; • G: Group subaddress
26 Configuring PAD/ATPAD Ports PAD Prompt Table Record PAD Prompt Table Record Parameters Introduction This section describes the PAD Prompt Table parameters. Parameters From the PAD Prompt Table Record, you can configure these parameters (with the exception of Entry Number): Entry Number Range: 1 t...
Page 33 - PAD Profile Table Record; Figure 7. PAD Profile Table Record
Configuring PAD/ATPAD Ports 27 PAD Profile Table Record PAD Profile Table Record Introduction The PAD Profile Table Record specifies the profile for a single PAD Port, in the local node. Many other PAD ports can also use the same PAD Profile Table Record to ensure that all PAD Ports have the same ch...
Page 35 - PAD Profile Table Record Parameters; This section describes the PAD Profile Record parameters.
Configuring PAD/ATPAD Ports 29 PAD Profile Table Record PAD Profile Table Record Parameters Introduction This section describes the PAD Profile Record parameters. Parameters From the PAD Profile Table Record, you can configure these parameters (with the exception of Entry Number): Entry Number Range...
Page 36 - Combine several parameter values by summing:
30 Configuring PAD/ATPAD Ports PAD Profile Table Record #2, Echo Range: 0, 1 Default: 1 Description: Controls echo: • 0: Echo disabled • 1: Echo enabled Setting to 0 (disabled) causes parameter #20 Echo Mask to be ignored. #3, Data Forwarding Character Range: 0 to 127 Default: 2 Description: Specifi...
Page 37 - Called Data Restraint Inbound (DRI) when using inland control.
Configuring PAD/ATPAD Ports 31 PAD Profile Table Record #5, Device Flow Control Range: 0 to 2 Default: 0 Description: Specifies if and how the PAD port sending the XON/XOFF characters restrains the attached terminal from sending data. • 0: No control with XON/XOFF. • 1: Control inbound data from dev...
Page 45 - Specifies the ASCII character used to disconnect a call:
Configuring PAD/ATPAD Ports 39 PAD Profile Table Record #106, Network Parity Range: 0 to 4 Default 0 Description: Specifies the parity of data the PAD sends to the network: • 0:Transparent. • 1: Space. • 2: Mark. • 3: Even. • 4: Odd. Note For most applications, select Transparent (0), which allows d...
Page 50 - Copying PAD Profile Tables into a Configuration
44 Configuring PAD/ATPAD Ports PAD Profile Table Record Copying PAD Profile Tables into a Configuration Introduction Each node processor card contains 14 PAD Profiles stored in memory. By using the parameter values in the stored PAD Profile Table, you can copy them into the configuration memory as i...
Page 51 - Parameter Values
Configuring PAD/ATPAD Ports 45 PAD Profile Table Record Parameter Values The parameter values for the 14 PAD Profiles are listed in these tables. For example, if you enter 0, you will get all the values listed in the Default column. Parameter Values Stored In Memory Parameter Name Default (0) Test (...
Page 52 - Parameter Values Stored In Memory
46 Configuring PAD/ATPAD Ports PAD Profile Table Record #111 Echo Control 0 0 0 0 0 0 #112 Dynamic Data Forwarding 0 0 0 0 0 0 #113 Hewlett-Packard Flow Control 0 0 0 0 0 0 #114 PAD Mode 0 0 0 0 0 0 #115 Data Forwarding Criteria 0 0 0 0 0 0 #116 Short Timer Duration 0 0 0 0 0 0 #117 EIA Signalling A...
Page 53 - Parameter Values Stored in Memory
Configuring PAD/ATPAD Ports 47 PAD Profile Table Record #21 Parity Treatment 7 7 7 7 7 7 #22 Page Wait 0 0 0 0 0 0 #100 Break Character 0 0 0 0 0 0 #101 Echo Sub Toggle Character 0 0 0 0 0 0 #102 Echo Sub Character 0 0 0 0 0 0 #103 XON Character 17 17 17 17 17 17 #104 XOFF Character 19 19 19 19 19 1...
Page 54 - Parameter
48 Configuring PAD/ATPAD Ports PAD Profile Table Record Values for Profiles 90 and 91 The parameter values for the International Simple (INT1984) and International Transparent (TRANSP1) profiles 90 and 91 are listed in this table. PAD Bulletin Message The PAD Bulletin Message is displayed when you c...
Page 55 - Remote PAD Parameter Table Record; Figure 8. Remote PAD Parameter Table Record
Configuring PAD/ATPAD Ports 49 Remote PAD Parameter Table Record Remote PAD Parameter Table Record Introduction This record contains parameters that define a specified remote PAD. When a call is made to a port that uses this table entry, an X.29 set command is sent. What You See In This Record Figur...
Page 56 - Remote PAD Parameter Table Record Parameters
50 Configuring PAD/ATPAD Ports Remote PAD Parameter Table Record Remote PAD Parameter Table Record Parameters Introduction This section describes the Remote PAD Parameter Record parameters. Parameters You can configure these parameters (with the exception of Entry Number) from the Remote PAD Paramet...
Page 59 - Detailed PAD Port Statistics; Function; Figure 9. Example of Detailed PAD Port Statistics, First Screen
Configuring PAD/ATPAD Ports 53 Detailed PAD Port Statistics Detailed PAD Port Statistics Function When you select Detailed PAD Port Statistics, a series of screens appears that provides information about the state and status of a PAD port. What You See in the First Screen Figure 9 shows the first sc...
Page 60 - Figure 10. Example of Detailed PAD Port Statistics, Second Screen; EIA Summary; Screen Term
54 Configuring PAD/ATPAD Ports Detailed PAD Port Statistics What You See in the Second Screen Figure 10 shows the second screen of the Detailed PAD Port Statistics. Figure 10. Example of Detailed PAD Port Statistics, Second Screen Data Summary: IN/OUT Summary of the characters, packets, and frames b...
Page 62 - Figure 11. Example of Detailed PAD Port Statistics, Third Screen
56 Configuring PAD/ATPAD Ports Detailed PAD Port Statistics What You See in the Third Screen Figure 11 shows the third screen of the Detailed PAD Port Statistics. Figure 11. Example of Detailed PAD Port Statistics, Third Screen The third Detailed PAD Statistics screen lists the Current Running Profi...
Page 63 - ATPAD Ports
Configuring PAD/ATPAD Ports 57 ATPAD Ports ATPAD Ports Introduction This section contains detailed descriptions of ATPAD ports, how they operate, and how to configure them.
Page 64 - ATPAD Operation; ATPAD; • NONE—No result codes are displayed.
58 Configuring PAD/ATPAD Ports ATPAD Ports ATPAD Operation ATPAD An ATPAD port operates in either a Command Mode or Data Mode. This port type is always in the Command mode whenever a call is not taking place. When the ATPAD is in the Command mode, it receives characters from the attached terminal de...
Page 65 - Flow Control; You can configure the ATPAD for either type of flow control:; Protocol Identifier; Use the ATDSn command referencing the correct Stored Address.
Configuring PAD/ATPAD Ports 59 ATPAD Ports Flow Control You can configure the ATPAD for either type of flow control: • Control Signal • XON/XOFF If you select Control Signal, the port does not send data if the port's Pin 14 input is LOW. If the port wants to flow control the attached device, it sets...
Page 66 - Figure 12. ATPAD Application Environment; Response Delay
60 Configuring PAD/ATPAD Ports ATPAD Ports Network Parity Application The application that the network parity feature has been designed for is as follows. An async device is directly connected to the ATPAD, and a call is made to an X.25 host. The ATPAD port currently strips parity on the incoming as...
Page 67 - Configuration
Configuring PAD/ATPAD Ports 61 ATPAD Ports Configuration Guidelines Use these guidelines when you enter ATPAD commands: • Type the commands in upper, lower, or mixed case. If echo is enabled, the commands are echoed in all capitals. • Use white space (TAB and SPACE) characters anywhere on the comman...
Page 68 - Figure 13. Configure ATPAD Port Menu
62 Configuring PAD/ATPAD Ports ATPAD Ports Figure 13. Configure ATPAD Port Menu Port NumberPort TypeConnection TypeClock SpeedData Bits per CharacterDevice ParityNumber of Stop BitsEscape CharacterCarriage Return CharacterLine Feed CharacterBack Space CharacterData Forwarding CharacterXOFF Character...
Page 70 - Data Bits
64 Configuring PAD/ATPAD Ports ATPAD Ports Data Bits Range: 7 to 8 Default: 8 Description: Number of bits per character when transmitting and receiving data. Boot Type: A Port boot is required for the change to take effect. Parity Range: NONE, SPAC, MARK, EVEN, ODD Default: NONE Description: The par...
Page 71 - Carriage Return Character
Configuring PAD/ATPAD Ports 65 ATPAD Ports Carriage Return Character Range: 0 to 255 Default: 13 Description: Specifies the character used to insert a carriage return. Boot Type: A Port boot is required for the change to take effect. Line Feed Character Range: 0 to 255 Default: 10 Description: Used ...
Page 72 - XON Character
66 Configuring PAD/ATPAD Ports ATPAD Ports XON Character Range: 0 to 255 Default: 17 Description: Specifies the value of the ASCII character used for the XON function. Boot Type: A Port boot is required for the change to take effect. Flow Control Range: NONE, CNTL, XOFF Default: NONE Description: Sp...
Page 73 - Packet Size
Configuring PAD/ATPAD Ports 67 ATPAD Ports Packet Size Range: 128, 256, 512, 1024 Default: 128 Description: Maximum size of packets that the ATPAD forms. Boot Type: A Port boot is required for the change to take effect. Echo Range: ON, OFF Default: ON Description: Specifies whether Echo is enabled o...
Page 75 - Protocol ID; Range
Configuring PAD/ATPAD Ports 69 ATPAD Ports Protocol ID Range: 0 to 8 hex digits Default: (blank) Description: First four bytes of the call user data. If set to zero, PID checking is not performed. Boot Type: A Port boot is required for the change to take effect. Network Parity Range : NONE, SPAC, MA...
Page 76 - ATPAD Port Statistics; Figure 14. ATPAD Port Statistics - Screen 1
70 Configuring PAD/ATPAD Ports ATPAD Ports ATPAD Port Statistics Function When you select Detailed ATPAD Port Statistics, a series of screens appears that provides information about the state and status of the ATPAD port. What You See in the First Screen Figure 14 illustrates the first screen of Det...
Page 77 - Figure 15. ATPAD Port Statistics - Screen 2; Interface Summary
Configuring PAD/ATPAD Ports 71 ATPAD Ports What You See in the Second Screen Figure 15 illustrates the second screen of Detailed ATPAD Port Statistics. Figure 15. ATPAD Port Statistics - Screen 2 Data Summary: IN/OUT Summary of the characters, packets, and frames being sent and received over the por...
Page 79 - Appendix A; Technical Support; • World Wide Web site; automated fax service; Com FTP Site
Technical Support A-1 Appendix A Technical Support 3Com provides easy access to technical support information through a variety of services. This appendix describes these services. Information contained in this appendix is correct at time of publication. For the very latest, 3Com recommends that you...
Page 80 - Access by Analog Modem; Country
A-2 Technical Support 3Com Bulletin Board Service The 3Com BBS contains patches, software, and drivers for 3Com products. This service is available through analog modem or digital modem (ISDN) 24 hours a day, 7 days a week. Access by Analog Modem To reach the service by modem, set your modem to 8 da...
Page 81 - • Product model name, part number, and serial number; North America
Technical Support A-3 If you are unable to contact your network supplier, see the following section on how to contact 3Com. Support from 3Com If you are unable to obtain assistance from the 3Com online technical resources or from your network supplier, 3Com offers technical telephone support service...
Page 82 - Latin America
A-4 Technical Support Returning Products for Repair Before you send a product directly to 3Com for repair, you must first obtain a Return Materials Authorization (RMA) number. Products sent to 3Com without RMA numbers will be returned to the sender unopened, at the sender’s expense. To obtain an RMA...
Page 83 - Index; Symbols
Index Index-1 Symbols #1, PAD Recall 29#10, Line Folding 32#100, Break Character 37#101, Echo Substitution Toggle Character 37#102, Echo Substitution Character 37#103, XON Character 38#104, XOFF Character 38#105, Control Signal (EIA-232-D) Data Restraint 38 #106, Network Parity 39#107, Idle Disconne...
