J892 ASCII Error Codes

Introduction

Confidence tests can also be run on the J892 module to test the ASCII portion of the device. To establish the ASCII confidence test mode on the J892 board, set SW7 to 1 (to the left) on the eight-position DIP switch. This will run the loop test.

Error Codes

J892 ASCII board test error codes

Failed Diagnostic	READY	COMM ACTIVE	COM ERROR	INTERFACE ERROR
Machine Dead	OFF	OFF	OFF	OFF
PROM Test	Flashing	OFF	OFF	OFF
RAM Test	OFF	Flashing	OFF	OFF
HDLC Digital	Flashing	Flashing	OFF	OFF
HDLC Analog	OFF	OFF	Flashing	OFF
Serial Port Low	Flashing	OFF	Flashing	OFF
Interrupt Low	OFF	Flashing	Flashing	OFF
Serial Port High	Flashing	Flashing	Flashing	OFF
Interrupt High	OFF	OFF	OFF	Flashing
Baud Rate Low	Flashing	OFF	OFF	Flashing
Baud Rate High	OFF	Flashing	OFF	Flashing
Switch Test	Flashing	Flashing	OFF	Flashing
Modem Disconnect	OFF	OFF	Flashing	Flashing
Modem DSR Error	Flashing	OFF	Flashing	Flashing

With the exception of the switch test, these diagnostic error codes indicate an internal failure in the ASCII processing portion of the J892 interface.