Precidia Cell232Plus User Manual

Cell232Plus

User Guide

Doc. No. 16-CML000210 Revision date: 14 JUL 03 rev.1.2

www.precidia.com

Precidia Technologies Inc. 10A Hearst Way Kanata, Ontario Canada K2L 2P4

Tel: (613) 592-7557 Fax: (613) 592-0944

Web Site: http://www. precidia.com/ E-mail: info@precidia.com

This guide documents software release 4.00.00. There are significant menu and feature changes between this version and the last release. If you wish to upgrade your software or obtain a User Guide for an earlier software version, contact productinfo@precidia.com.

If you have questions or comments about using the product or this document please contact support@precidia.com.

Disclaimer and Confidentiality Notice

The content of this document is furnished for informational use only, is subject to change without notice, and should not be construed as a commitment by Precidia Technologies Inc. (Precidia). Precidia assumes no responsibility or liability for any errors or inaccuracies that may appear in this document.

This document and the information disclosed herein is the confidential property of Precidia. Neither this document nor the information contained herein shall be used, reproduced or disclosed to others without Precidia’s written authorization.

Published in Canada.

All trademarks and trade names are the properties of their respective owners.

Cell232Plus User Guide Table of Contents

1 Before You Start................................................................................ 1

1.1 Preview ................................................................................................. 1

1.2 Functionality and Features ....................................................................... 2

How It Works........................................................................................... 2

Features ................................................................................................. 2

1.3 Cell232Plus Layout.................................................................................. 3

Front Panel ............................................................................................. 3

Back Panel .............................................................................................. 4

1.4 Hardware Requirements .......................................................................... 5

Installation and Configuration ...................................................................... 5

Reconfiguration ........................................................................................ 6

1.5 Software Requirements ........................................................................... 6

1.6 Configuration Requirements ..................................................................... 6

2 Setting up the Cell232Plus ................................................................ 9

2.1 Installing the Hardware ........................................................................... 9

After Configuration.................................................................................... 9

2.2 Setting Up the Terminal..........................................................................10

2.3 Understanding the Configuration Screen ...................................................11

2.4 Timeout During Configuration..................................................................12

2.5 Resetting to Factory (Default) Configuration ..............................................13

3 Configuring the PPP Dial-Up Settings .............................................. 15

3.1 IP Address, Network Address, and Network Mask .......................................16

3.2 Modem Init ...........................................................................................16

3.3 Modem Dial ..........................................................................................16

3.4 Backup Dial ..........................................................................................18

3.5 Login Userid..........................................................................................18

3.6 Login Password .....................................................................................18

Setting the Login Password ........................................................................18

Viewing the Login Password........................................................................19

Clearing the Login Password .......................................................................19

3.7 Modem Chatscript..................................................................................19

3.8 Auto-Answer and Call-Back .....................................................................20

3.9 Auto-Connect ........................................................................................21

3.10 Idle Disconnect .....................................................................................22

3.11 Communication Speed............................................................................22

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4 Configuring the Serial Port Settings ................................................ 23

4.1 Protocol ............................................................................................... 24

4.2 Port Setting.......................................................................................... 27

4.3 Port Mode ............................................................................................ 29

4.4 Connection Control ................................................................................ 30

4.5 Terminal Type (Telnet Protocol Only) ....................................................... 31

4.6 Local Port............................................................................................. 32

4.7 Remote IP............................................................................................ 32

4.8 Remote Port ......................................................................................... 33

4.9 Fallback IP ........................................................................................... 33

4.10 Fallback Port ........................................................................................ 34

4.11 Terminators (Terminated Protocol Only) ................................................... 35

4.12 Packet Prefix (Transparent Protocol Only) ................................................. 37

4.13 Maximum Inter-Character Delay.............................................................. 37

4.14 Preferred Packet Size............................................................................. 38

4.15 Initial String (Transparent Protocol Only).................................................. 38

5 Configuring the Security Settings .................................................... 39

5.1 Console Password ................................................................................. 40

Setting the Console Password ..................................................................... 40

Viewing the Console Password .................................................................... 40

Clearing the Console Password.................................................................... 40

5.2 Remote Password.................................................................................. 41

Setting the Remote Password ..................................................................... 41

Viewing the Remote Password .................................................................... 41

Clearing the Remote Password .................................................................... 41

5.3 Web Server .......................................................................................... 42

5.4 Access Userid ....................................................................................... 43

5.5 Access Password ................................................................................... 43

Setting the Access Password ...................................................................... 43

Viewing the Access Password...................................................................... 43

Clearing the Access Password ..................................................................... 44

5.6 SNMP Server ........................................................................................ 44

5.7 SNMP Settings ...................................................................................... 44

5.8 IPsec Tunnels #1 and #2 ....................................................................... 45

Protocol ................................................................................................ 46

Secure Address....................................................................................... 47

SPI ...................................................................................................... 48

Network Address ..................................................................................... 48

Network Mask ........................................................................................ 48

Network Gateway .................................................................................... 48

Encode/Authenticate Keys ......................................................................... 49

6 System Settings .............................................................................. 51

6.1 Unit ID Value........................................................................................ 51

6.2 Web Page Download .............................................................................. 52

6.3 Firmware Download............................................................................... 52

6.4 Display System Status ........................................................................... 53

6.5 Dump System Log................................................................................. 53

6.6 Delete System Log ................................................................................ 54

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6.7 Perform Self Test...................................................................................54

6.8 Reset Unit ............................................................................................55

7 Accessing System Information ........................................................ 57

7.1 System Status.......................................................................................57

Accessing the System Status Page ...............................................................57

Understanding the System Status Page .........................................................58

7.2 System Log ..........................................................................................60

Accessing the System Log ..........................................................................60

Understanding the System Log ....................................................................61

7.3 Static Web Page ....................................................................................66

Creating Static Web Pages .........................................................................66

Accessing the Static Web Page ....................................................................66

Appendix A Glossary of Terms and Acronyms................................... A-1

Appendix B Troubleshooting and Support......................................... B-1

Appendix C Specifications and Warranty .......................................... C-1

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Before You Start

1.1 Preview

Each section in this Guide is a step in the process of installing and configuring your Precidia unit:

1 Before You Start

Familiarize yourself with the features and installation requirements of the unit.

2 Setting up the Cell232Plus

Set up the hardware and configure the unit via terminal software.

3 Configuring the PPP Dial-Up Settings

Configure the modem settings and login information.

4 Configuring the Serial Port Settings

Configure the protocol, speed, connection control, and port information.

5 Configuring the Security Settings

Configure the remote, console, and Web passwords, SNMP, and IPSec.

6 System Settings

If necessary, have your network administrator configure the advanced settings, including downloads and system logging options.

7 Accessing System Information

Find out how to access the system information locally or remotely.

Appendices at the back of this guide also provide valuable reference information:

A Glossary of Terms and Acronyms

B Troubleshooting and Support

C Specifications and Warranty

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1.2 Functionality and Features

How It Works

The Cell232Plus connects serial devices to IP networks via existing wireless digital networks. The serial device sends information to the Cell232Plus through the RS-422/ 485 or COM port. This information is processed according to the protocol set in the Serial Port Settings, then transferred to the modem side of the Cell232Plus.

The Cell232Plus converts the information to IP format and sends it out through the MODEM port to the receiver or handset according to the parameters set in the Network Port Settings. The cellular phone provides immediate access to the wireless digital network and through the terrestrial IP network to the transaction processor (remote server).

This process is reversed when information is received from the remote server. The figure below illustrates an example configuration of the Cell232Plus in the network.

Cell232Plus — Network Configuration

Features

• Transparent to existing serial connections

• Compatible with TCP/IP networks for Internet and Intranet applications

• Built-in static and dynamic Web pages accessible locally or via Web browser or telnet

• Several data formatting and session mode options

• Drives PP connection to end destination

• Auto-identity header

• Works with Com Port Redirection

• ATM Modem emulation software

• Routing redundancy incase of application server failure

• Local and remote configuration and software upgrade capability

• Supports hardware/software/no handshaking

• Real-time access to data for troubleshooting and diagnosing problems

• Local and remote password protection

• Remote logging of wireless network signal strength (currently available for iDEN cellular network)

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• Control and refine connection settings with options that include:

- Automatic connection in tcp(tunnel) and tcp-client modes to establish a connection to the server as soon as the first data byte is received on the serial port

- Connection recovery to ensure the session remains active

- COM Port Redirector Software compatibility using the Com Port Control protocol option

- Modem Connection Control that allows the Precidia unit to appear as a Hayescompatible modem to your serial device

• Connect an RS-422/485 device or an RS-232 device to one of two ports

• Support the following network protocols:

Telnet IP DHCP

TCP PPP SNMPv2c

UDP HTTP IPsec (manually keyed)

ICMP TFTP (download only) FTP

1.3 Cell232Plus Layout

Front Panel

Cell232Plus Front Panel

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Table 1.1 describes the function of each indicator lamp.

Table 1.1: Front Panel Indicator Lamps

Indicator Lamp Description

ON Illuminates constantly when power is applied to the unit.

CARRIER Illuminates when the unit has a connection to the cellular

phone, will stay illuminated when the cellular phone has a valid connection to the service provider.

RECEIVE Illuminates when the unit is receiving data through the

MODEM port from the cellular phone. Lamp flashes to indi-

cate this activity. Lamp will flash for up to 15 seconds on power if you have not yet configured the Modem Dial number (PPP-Dial Up Settings) to dial the host.

TRANSMIT Illuminates when the unit has control of the line and is send-

— MODEM —

ing data through the MODEM port to the cellular phone and wireless connection. Lamp flashes to indicate this activity. Lamp will flash for up to 15 seconds on power if you have not yet configured the Modem Dial number (PPP-Dial Up Settings) to dial the host.

TRANSMIT Illuminates when the unit is sending or receiving data out the

COM port. Lamp flashes to indicate this activity.

Illuminates constantly while in configuration mode.

STATUS Off: Unit incorrectly configured or the COM port is disabled.

Slow flash: Correctly configured, in idle mode.

— COM —

Fast flash: Correctly configured, terminal has communicated.

On (solid): Correctly configured, connected.

OTE

: See Appendix B, Troubleshooting and Support, for descriptions of how indica-

tor lamps can be used for troubleshooting.

Back Panel

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Cell232Plus Back Panel

Table 1.2: Back Panel Ports

Port Description

POWER Accepts the Precidia-supplied 9V power adapter.

CONFIGURE Press and hold the recessed CONFIGURE button for

several seconds to activate local configuration through the COM port.

RS-422/485 RS-422 or RS-485 mode only: Accepts RS-422 or

RS-485 serial cable.

MODEM Accepts DB-9 data cable connected to a cellular

phone.

COM Accepts DB-9 null modem serial cable for configura-

tion.

RS-232 mode only: Accepts DB-9 null modem serial cable for operation and configuration (typical).

1.4 Hardware Requirements

Installation and Configuration

The Precidia package includes:

• one (1) power adapter

• one (1) Cell232Plus device

• one (1) Warranty Card

To complete the installation you also need:

• one (1) PC with terminal software, or a dumb terminal for configuration

• one (1) cellular phone with “always on” digital network access service agreement

• one (1) standard PC-to-cell phone data cable with DB-9 connector from your cellular phone manufacturer

• If you are connecting the Precidia unit to a DTE (Data Terminal Equipment) device:

- one (1) null modem serial cable for configuration and for connecting your DTE serial device after configuration

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• If you are connecting the Precidia unit to a DCE (Data Communication Equipment) device:

- one (1) null modem serial cable for configuration

- one (1) RS-232, RS-422, or RS-485 serial cable for connecting your DCE serial device to the Cell232Plus

TIP: How do you know if your serial device is DCE or DTE?

• DCE devices generally have a female (receptacle) DB-9 connector. Examples of DCE devices include modems, Digital Service Units (DSU), Channel Service Units (CSU), and most communications equipment.

• DTE devices generally have a male (pin) DB-9 connector. Examples of DTE devices include communications servers, terminals, serial printers, and PCs with native RS-232-E serial ports.

Reconfiguration

After your Precidia unit is operational you will require one null modem serial cable and a PC or dumb terminal to locally reconfigure the unit.

OTE

: If you know the IP address of the Precidia unit and have set the Remote Pass-

word, you can reconfigure remotely using telnet. See the Help Guide Connecting with Telnet at http://www.precidia.com/technical_support/manuals.html.

1.5 Software Requirements

You will need terminal software (or a dumb terminal) to locally configure the unit. Try HyperTerminal, which comes with Windows, or Procomm Plus (Symantec).

1.6 Configuration Requirements

The following settings are the basic requirements for configuring the unit. You may need to configure other settings depending on your set-up and the Protocol you are using.

PPP Dial-Up Settings

• Modem Init: the initialization string for the modem

• Modem Dial: the phone number of the ISP (Internet Service Provider) for the modem to dial

• Login Userid and Login Password: the login information from your ISP or VPN provider

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Serial Port Settings

• Protocol: the protocol used by the attached device

• Port Setting: port settings of the attached device

• Local Port: port number on the unit (as required)

• Remote Port and Remote IP: port number and IP address of remote host (as

required)

• Fallback Port and Fallback IP: backup remote host address (optional)

Security Settings

• Remote Password: must be configured to enable remote access and configuration

• Console Password (optional)

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Setting up the Cell232Plus

2.1 Installing the Hardware

CAUTION: Use the 9V power adapter supplied by Precidia. Use of

1 Connect the power adapter to the POWER port of the unit.

2 Connect the cell phone data cable to the MODEM port of the unit.

3 Connect the null modem cable to the COM port of the unit.

4 Plug the power adapter into a power outlet.

alternate power adapters can result in hardware damage and will render the warranty null and void!

5 Connect the null modem cable to one of the COM ports on your PC.

6 Follow Section 2.2 to set up your terminal software and access the Configuration

screen.

7 Configure the unit (Sections 3 through 8).

OTE

: You must set the Remote Password locally before you can configure the

Cell232Plus remotely.

After Configuration

1 Disconnect the null modem cable from the COM port of your PC.

2 Connect your serial device to the COM port of the Cell232Plus using the appropri-

ate cable. (See Section 1.4, Hardware Requirements‚ on page 5.)

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3 Connect the cell phone data cable to the activated cellular phone if you have not

already done so.

4 Ensure the CARRIER lamp is lit to indicate a valid wireless connection and the

STATUS lamp is flashing to indicate the unit is ready to transmit/receive data.

2.2 Setting Up the Terminal

Once the Precidia unit is connected to your PC, you can access the Configuration screen using terminal software.

If you do not have terminal software you can use HyperTerminal, which comes standard with every Windows PC. If necessary, refer to the Help Guide Working With HyperTerminal at http://www.precidia.com/technical_support/manuals.html.

OTE FOR WINDOWS

XP/2000 U

SERS

: To perform firmware upgrades or

download static Web pages to the Precidia unit using HyperTerminal, you need to upgrade to the latest version. Obtain your free HyperTerminal upgrade from

http://www.hilgraeve.com/.

1 Start your terminal program.

2 Select the correct COM port in your terminal software (usually Com1 or Com2).

3 Configure the terminal with the following settings:

• Bits per second: 9600 (required)

• Data bits: 8

• Parity: None

• Stop bits: 1

• Flow control: Hardware

OTE

: The Data Bits, Parity, Stop Bits, and Flow control settings listed above are

recommended settings. Configuration can be accessed using any settings at 9600 bps.

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Cell232Plus User Guide 2 Setting up the Cell232Plus

4 Using a ballpoint pen or similar item, press and hold the recessed CONFIGURE

button on the rear of the unit for several seconds, until the initial Configuration screen appears (as shown below).

If the screen does not appear, refer to Appendix B, Troubleshooting and Support.

Change which option?

Initial Configuration Screen

OTE

: The COM TRANSMIT lamp stays illuminated throughout the configuration

process.

2.3 Understanding the Configuration Screen

The left half of the Configuration screen displays the Device Settings menu and the right half of the screen displays the sub-menu of the option you select.

Table 2.1 provides a description of the menu items. Type the number or character bracketed at the start of the line to chose a menu item.

OTE

: Pressing

prompt.

cancels the current action and returns you to the previous

ESC

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Table 2.1: Device Settings Menu Options

Menu No.

1) PPP Dial-Up

2) Serial Port

*) Save Current

-) Exit Configuration

$) Security Settings

#) System Settings

?) Refresh this Screen

Menu Item Description

Configuration

(no save)

Configure the dial-up information including modem initialization, the number the modem will call, login ID and password, and modem chatscript. The network and IP addresses are usually dynamically assigned by your ISP.

Configure host addresses and the protocols being used by the serial device.

Save changes and exit from configuration mode. Resets the unit.

Exit without saving any changes. Resets the unit if configuring locally.

Configure all passwords, IPsec, and SNMP.

For administrator only. Perform Web page and firmware downloads, and view system information.

Refresh the current configuration screen.

2.4 Timeout During Configuration

After 4 minutes of inactivity the timeout notification appears under the prompt, as shown below. Any unsaved changes will be lost.

Change which option? !timeout! (changes not saved)

Timeout Notification

You must then press and hold the recessed CONFIGURE button for several seconds, or re-establish your remote telnet connection, to access configuration and re-enter your changes.

OTE

: Typing any character, or typing

4-minute timer.

to refresh the screen, will restart the

“?”

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2.5 Resetting to Factory (Default) Configuration

You may need to reset to “factory” settings if you have configured and subsequently lost a Console Password, or if you wish to completely reconfigure the unit. The procedure below will delete your previous configuration and revert all settings to factory default.

1 Unplug the power cord from the back of the unit.

2 Press and hold the recessed CONFIGURE button and plug the power cord back in to

the POWER port.

3 Continue to press and hold the recessed CONFIGURE button for 15 seconds.

The Configuration screen appears, reset to the factory settings.

4 Reconfigure the unit.

5 Type “*” to save the new configuration.

OTE

: If you do not save the new settings, the unit will restart with the previously

saved settings.

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Configuring the PPP Dial-Up Settings

The PPP Dial-Up Settings sub-menu allows you to specify modem and login information for communication over the IP network and with the remote host.

To configure or change the PPP Dial-Up Settings, choose

Device Settings menu.

PPP Dial-Up

from the

The PPP Dial-Up Settings sub-menu appears on the right side of the Configuration screen, as shown below.

,-----------------------------------------------------------------------------. | Precidia Cell232Plus Configuration v4.00.00 | |-----------------------------------------------------------------------------| | Device Settings: | PPP Dial-Up Settings: | | | | | 1) PPP Dial-Up: direct | A) IP Address: dynamic | | | B) Network Address: dynamic | | 2) Serial Port: disabled | C) Network Mask: dynamic | | | | | | D) Modem Init: (not set) | | | E) Modem Dial: (not set) | | | F) Backup Dial: (not set) | | | | | | G) Login Userid: (not set) | | | H) Login Password: (not set) | | | | | *) Save Current Configuration | I) Modem Chatscript: 0 lines | | -) Exit Configuration (no save) | J) Auto-Answer (rings): 0 | | $) Security Settings | K) Auto-Connect (minutes): 0 | | #) System Settings | L) Idle Disconnect: 0 | | ?) Refresh this Screen | M) Communication Speed: 300 bps | `-----------------------------------------------------------------------------'

Change which option?

PPP Dial-Up Settings Sub-menu

OTE

: Remember to save your changes by typing "*" to exit configuration!

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3 Configuring the PPP Dial-Up Settings Cell232Plus User Guide

3.1 IP Address, Network Address, and Network Mask

All devices on a network require a unique IP address that other devices can use to communicate with them. With a dial-up modem, the server dynamically assigns the Cell232Plus an IP address, network address, and network subnet mask for the duration of each session. These three parameters can normally remain set to “dynamic”.

You can only manually configure these settings if the server is assigning a known static IP address (the same one each session) to the unit. Simply choose the item from the PPP Dial-Up Settings sub-menu, type the address at the prompt, and press

OTE

: You can easily determine the IP address of the unit through the System Status

Enter

page, even if it is dynamically allocated. The first Local address listed under Network Routing is the IP address of the unit.

3.2 Modem Init

Modem Init (initialization) is a string of commands sent to the modem or cell phone connected to the Precidia unit to prepare it for a connection. The init string can configure settings such as speed, and define how information should be reported.

You can leave this unset or you can use options from the standard modem AT commands, to a maximum of 128 characters. Consult your modem or cell phone manual if unsure of the setting to use.

To enter or change the Modem Init:

1 Choose

2 Choose

You are prompted to enter the modem initialization string without the AT prefix.

3 Type the modem initialization string and press

3.3 Modem Dial

Modem Dial defines the phone number of the primary host. The Cell232Plus can automatically call the host whenever there is a need to send or receive IP traffic. The Modem Dial can be up to 64 characters long.

PPP Dial-Up

Modem Init

from the Device Settings menu.

from the PPP Dial-up Settings sub-menu.

Enter

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OTE

: Include an “at” sign (@) after the phone number to enable the Cell232Plus

to differentiate between no answer and voice answer.

If the @ sign is not included, the Cell232Plus will log voice answer as the reason a connection was not made even if the dialed number never answers. In compliance with FCC requirements, after two successive voice answers the Cell232Plus will permanently disable dialing. No answer, busy signal, or no dialtone cause the Cell232Plus to continue dialing, with each retry postponed by one minute more than the last retry, to a maximum of 10 minutes between attempts. (This limits connection attempts to no more than 10 per hour.)

In addition to using the @ sign, there are several other useful characters you may include in the phone number string. Table 3.1 lists a few helpful standard characters.

Table 3.1: Modem Dial Characters

Character Description

Enables modem to differentiate between “no answer” and “voice answer”.

9 (or other

outside line

access)

If your telephone system (PBX) requires you to dial a digit to access an outside line, usually 9, include it in the dial string.

Wait for dialtone.

A comma represents a 1 second pause.

To enter or change the Modem Dial:

1 Choose

2 Choose

PPP Dial-Up

Modem Dial

from the Device Settings menu.

from the PPP Dial-up Settings sub-menu.

You are prompted to enter the primary phone number to dial without the ATD prefix.

3 Type the phone number and any special characters for the Modem Dial and press

Enter

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3.4 Backup Dial

Backup Dial defines the backup phone number to dial if the primary host is unavailable. The Cell232Plus continues to attempt to connect, essentially alternating between dialing the primary and backup hosts, until a connection is established. The same settings and password are used for both numbers. The Backup Dial can be up to 64 characters long.

To enter or change the Backup Dial:

1 Choose

2 Choose

PPP Dial-Up

Backup Dial

You are prompted to enter the backup phone number to dial without the ATD prefix.

3 Type the phone number for the Backup Dial (to a maximum of 64 characters) and

press

Enter

3.5 Login Userid

Login Userid identifies the Cell232Plus to your ISP. Obtain a PPP Login Userid from your ISP or VPN provider. The Login Userid can be up to 64 characters long.

To enter or change the Login Userid:

1 Choose

2 Choose

You are prompted to enter the login userid.

PPP Dial-Up

from the Device Settings menu.

from the PPP Dial-up Settings sub-menu.

from the Device Settings menu.

from the PPP Dial-up Settings sub-menu.

3 Type the user ID and press

Enter

3.6 Login Password

Login Password provides confirmation to your ISP that you are allowed access. Obtain the PPP Login Password from your ISP or VPN provider. The Login Password can be up to 64 characters long.

Setting the Login Password

1 Choose

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PPP Dial-Up

from the Device Settings menu.

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Cell232Plus User Guide 3 Configuring the PPP Dial-Up Settings

2 Choose

from the PPP Dial-up Settings sub-menu.

You are prompted to enter the login password.

3 Type the password (appears as a series of *** asterisks) and press

Viewing the Login Password

1 Choose

2 Choose

PPP Dial-Up

from the Device Settings menu.

from the PPP Dial-up Settings sub-menu.

The current password is displayed in brackets: [was: password].

3 Do not type any characters. Press

to return to the menu.

ESC

Clearing the Login Password

1 Choose

2 Choose

PPP Dial-Up

from the Device Settings menu.

from the PPP Dial-up Settings sub-menu.

Enter

3 Do not type any characters. Press

The password is displayed as (not set) in the PPP Dial-up Settings sub-menu.

3.7 Modem Chatscript

The majority of ISPs do not require the use of this feature. In some cases, however, you may need to enter a Modem Chatscript for the ISP to negotiate a compatible IP network connection. Contact your Telco, ISP, or Transaction Processor to obtain the required modem chatscript. Table 3.2 describes the Expect and Reply menu items. Expect and Reply entries can be up to 64 characters long.

To enter or change the Modem Chatscript:

1 Choose

2 Choose

3 Choose an

4 Type the expected sequence of characters and press

PPP Dial-Up

Modem Chatscript

Expect #

Enter

from the Device Settings menu.

from the PPP Dial-up Settings sub-menu.

menu item.

Enter

5 Choose the corresponding

Reply #

6 Type the reply sequence and press

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menu item.

Enter

3 Configuring the PPP Dial-Up Settings Cell232Plus User Guide

OTE

: Type

at any time to refresh the screen and view your entries.

Table 3.2: Description of Modem Chatscript Entries

Entry Type

Expect

Format Description

max. 19 characters

Contains the expected sequence of characters from the host side. Typically, only the very last sequence is used. For example, if you expect "Welcome to ISP-name, current time is hh:mm:ss, please press enter:", then you can use 'enter' or just 'r:'. If you do not wish to wait for a particular sequence, then this field can be left unset (by default, or select the menu item and press Enter).

max. 19 characters

Contains the sequence of characters to send to the host side. Typically, this includes a carriage return character. For example, if you want to send "login <CR>", type “login\r”. If no reply is necessary, then this field can be left unset (by default, or select the menu item and press Enter). Codes are listed below:

send carriage return (ASCII 13)

send line feed (ASCII 10)

send tab (ASCII 9)

send character represented by two hex digits

\x??

3.8 Auto-Answer and Call-Back

Auto-Answer allows you to configure the Cell232Plus to answer an incoming call or to hang up and call-back the primary host after receiving an incoming call. Unless Auto-Answer is configured, the unit automatically dials out on reset or power-up.

You can configure Auto-Answer by setting the number of rings. Table 3.3 describes the possible Auto-Answer settings.

Table 3.3: Auto-Answer Configurations

No. of rings Result

0 Auto-Answer disabled. Unit automatically dials out on reset

or power up.

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Cell232Plus User Guide 3 Configuring the PPP Dial-Up Settings

Table 3.3: Auto-Answer Configurations

No. of rings Result

1-98 Dial-in enabled. Unit will accept an incoming call after the

number of rings you specify and begin PPP negotiation.

100 Dial-back enabled. Dial-in disabled. Unit will wait for ringing

to stop, call the configured primary host phone number, and begin PPP negotiation.

To configure or change Auto-Answer:

1 Choose

2 Choose

PPP Dial-Up

Auto-Answer

You are prompted to enter the number of rings before answering call.

3 Type the desired number of rings and press

3.9 Auto-Connect

Auto-Connect allows you to configure the Cell232Plus to automatically dial-out and connect to the host on a schedule. The schedule is defined by the number of minutes between connection attempts.

SET-UP N

the Net-Linked Connection Control option and the Idle Disconnect timer with AutoConnect. The Net-Linked Connection Control option (in the Serial Port Settings) ensures the TCP connection is automatically established. See Section 4.4, Connection Control‚ on page 30. The Idle Disconnect option is a timer that ensures connections are dropped properly and is described in the next section.

OTE

from the Device Settings menu.

from the PPP Dial-up Settings sub-menu.

Enter

: To ensure that connections are established and dropped properly, use

To configure or change Auto-Connect:

1 Choose

2 Choose

PPP Dial-Up

Auto-Connect

from the Device Settings menu.

from the PPP Dial-up Settings sub-menu.

You are prompted to enter the number of minutes between automatic connection attempts.

3 Type the desired number of minutes and press

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+ 61 hidden pages

Precidia Cell232Plus User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Contents

1.1 Preview

1 Before You Start

A Glossary of Terms and Acronyms

B Troubleshooting and Support

C Specifications and Warranty

1.2 Functionality and Features

How It Works

Features

1.3 Cell232Plus Layout

Front Panel

Back Panel

1.4 Hardware Requirements

Installation and Configuration

Reconfiguration

1.5 Software Requirements

1.6 Configuration Requirements

Setting up the Cell232Plus

2.1 Installing the Hardware

After Configuration

2.2 Setting Up the Terminal

2.3 Understanding the Configuration Screen

2.4 Timeout During Configuration

2.5 Resetting to Factory (Default) Configuration

Configuring the PPP Dial-Up Settings

3.1 IP Address, Network Address, and Network Mask

3.2 Modem Init

3.3 Modem Dial

3.4 Backup Dial

3.5 Login Userid

3.6 Login Password

Setting the Login Password

Viewing the Login Password

Clearing the Login Password

3.7 Modem Chatscript

3.8 Auto-Answer and Call-Back

3.9 Auto-Connect