FECO COMMS # 38

	FECO:	COMMS 38/1
	MODIFICATION No:	N/A
	PRODUCT:	CRAY DCX 818 MULTIPLEXOR
	SUB-ASSEMBLY	N/A
	ESTIMATED MAN HOURS	N/A
	CLASS OF CHANGE:	INFORMATIONAL
	REASON FOR CHANGE:	TO LIST THE REVISED SETTINGS

        Introduction

1. cray multiplexors have changed their name to case. In future they may be referred to as either cray or case.

2. there is a need to raise the standard settings for use on the cray dcx818 mult plexor.

3. on the existing FECO COMMS #38

        * delete para 6 but not the supervisor menu diagram.

        * delete para 7.4.

4. Insert new attached sheet, headed `page 2a of 14' and `page 3a of 14' between the existing pages 2 & 3. The
        new para 6 and para 7.4 are on this sheet.

5. on the existing FECO COMMS # 38:- amend paragraph 8.3

        Setting f number of channels

        Change "set 4 or 8" to "set to 5 or 9".

        (tech serv ref 97\13)

        New para 6.

6. configuration supervisor.

6.1 manufacturers default is for any port to be used for supervisor access; and the access is achieved by
        entering followed by the user escape character. The manufacturer's default being ctrl-a. I.e. " ctrl-a" this
        setting can cause problems.

6.2.1 the edp standard will be to restrict supervisor access to the first channel, channel 1; and to bar supervisor
        access through all the other channels.

6.2.2 the supervisor entry by the user escape character, is changed to break, break, break.

6.3 to enter the configuration/supervisor mode, connect a vdu to channel 1, set to the speed of that channel.

6.4 log on by entering the user escape character. Edp standard is break, break, break, with at least a one second
        gap between each key press.

        For adds 4000 vdu's the edp standrd is:-

        CTRL-BREAK, CTRL-BREAK, CTRL-BREAK

        Note:- this will only be effective after it has been changed from the manufactures default of CTRL-A.

6.5 the initial screen is displayed with instructions.

6.6 note: entering at `enter password prompt' takes you into a limited set up mode only. Do not use.

6.7 at `enter password prompt', enter: logon.

6.8 at `local remote manager prompt" enter l, r, m1 or m2 as required.

        The supervisor menu is displayed on page 2.

        Note: m1 and m2 are to be used to access the supervisor at remote ends when there are 3 nodes
        connected together.

6.9 to exit from the supervisor menu select x, the unit responds `goodbye'

        New para 7.4

7.4 select option 1 to configure all parameters or letter to configure only one, then reset parameters as necessary
        to those bellow:-

        Host end both ends peripheral end

        A line speed9600

        B local echooff

        C character code8 + 1

        D uso connect characteroff

        E system messagesoff

        F paritytrans

        G term.flow control x-onoffdc1

        H term.flow control x-offoffdc3

        I flyback bufferingoff

        J buff.overflow prot x-ondc1dc1

        K buff.overflow prot x-offdc3dc3

        L cts to follow rtson

        M special flow controlnone

        N user escape character

        (channel 1 only)bkbkbk

        User escape character

        (all other channels)off

        O inactivity timeroff

        P parity error character*

        Q host abr (for dll)off

        R host control monitoroff

        S setup pins

        T data limit48

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