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SC-3 Diagnostics Menu Access

Field Bulletin

Date: August 4, 1999
Products: SC-3
Subject: SC-3 Diagnostics Menu Access
Author: Kevin Childs

This document provides a description of the communications link and parameters required to access the diagnostics menu available on your SC-3. Table 1 shows which diagnostics menu is accessed based on the software version installed in your SC-3 and the method of connection.

For an explanation of the diagnostics, refer to the SC-3 Remote Diagnostics document (00101-0051) for your software version.

 

SC-3 Software Revision
(U62-U64)
Serial
(Comm. 0)
Telnet
(Ethernet)
Debug connector
(custom cable)
Version 2.0x Diagnostics Diagnostics VX-works
Version 1.1e Diagnostics * VX-works VX-works
Version 1.03     VX-works
Table 1
* Read Debug connector section before using

Serial

The serial port comm. 0 is dedicated for use as the diagnostics port. It is a 25-pin RS-232 port. Pin 2 (TX), pin 3 (RX), and pin 7 (GND) are all that is required for communication via a PC or terminal. The emulation is VT-100 and is fixed at 38,400K, 8 data, 1 stop, and No parity.

This connection may be made to the 9-pin serial port of the RMS computer (2-RX, 3-TX, and 5-GND). A null-modem cable and a 9 to 25 pin adapter can be used. Hyper-Terminal can be used as the emulator.

Telnet

Using the RMS computer, click on the START button of the Windows NT application and select RUN. Type in "telnet 192.168.221.21" substituting the default IP address with the address of your current MASTER SC-3. This should establish communication with the SC-3. Remember to type in "quit" prior to closing the telnet session. Failure to do so may cause the SC-3 to switch to its redundant control card.

Debug connector

Do not use the VX-works interface unless specifically directed by Technical Services or Engineering. VX-works provides access to many critical settings that should not be altered. Changing these settings can leave the SC-3 in an in-operable state.

This 10-pin debug header (JP1) resides directly on the SC-3 control card. It is an RS-232 serial port. Pins 3, 5, and 9 (RX, TX, and GND respectively) can be connected to a computer as described in the Serial section except that a custom cable will need to be built.

 


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