Page 130 - Introduction

Appendix D: Use Of The Serial Port

Appendix D: Use Of The Serial Port

Introduction

The serial port is used, in an emergency, to erase the IPNC configuration or the operational software. For example, if the system is continually rebooting (indicators flashing every 10 seconds), it may be possible to recover the unit from the serial port. It may also be used to erase the customer’s configuration if the password has been forgotten.

An asynchronous terminal, such as Windows HyperTerminal is required, configured for a serial (COM) port as follows:

Speed (bps)

38,400

Data bits

8

Parity

None

Stop bits

1

Flow control

None

Emulation

TTY

Erasing the Configuration

To erase the configuration area of flash memory, i.e., return it to its factory default:

1.Open HyperTerminal on the PC. Attach a serial cable between the PC acting as the terminal and the IPNC.

2.Reboot the IPNC from the INDeX Admin or by removing it and reinserting it.

3.Hit the Escape key [Esc] every second until the Loader message appears.

4.Type AT[Enter] and wait for an OK.

5.Type AT-X2[Enter] and wait for a response.

6.Type AT-X3[Enter] and wait for a response.

7.Power the unit off and on again.

Erasing a Configuration from Flash Memory

Loader 1.3 DualFlash (2MB-2xF800 Flash-120nS DRAM-70nS EDO) at

OK

P5 Loader 1.7 (2MB-2xF800 Flash-120nS SDRAM-10) CPU Revision 0x0020

at

OK AT-X2 0xef00C000H Erase

OK AT-X3 0xef010000H Erase

OK

ATF

Expanding MPPC image...

Note: An alternative method is:

AT

OK

at-debug< Manager Version 0.1>

Mon 25/8/1997 00:00:00, Hello>eraseconfig

Mon 25/8/1997 00:00:00, Hello>erasenvconfig

Mon 25/8/1997 00:00:00, Hello>abort

Page 130 - Appendix D: Use Of The Serial Port

INDeX IPNC Cassette Administration Manual

Introduction

38DHB0002UKDD – Issue 7 (22/11/02)

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Avaya 38DHB0002UKDD manual Appendix D Use Of The Serial Port, Erasing the Configuration
Page 129 Page 131

38DHB0002UKDD specifications

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