[Info-vax] Can't get uVAX II console to talk

[VAXman- at SendSpamHere.ORG]

In article <5e503923-81c3-4673-96c4-fa01898e1085n at googlegroups.com>, abrsvc <dansabrservices at yahoo.com> writes:
>On Tuesday, 16 March 2021 at 19:51:05 UTC-4, chris wrote:
>> On 03/15/21 21:06, abrsvc wrote:=20
>> > Ijust acquired a uVAX II system that I'm trying to verify works as expe=
>cted. The systems powers up OK and the LED display ends up showing the numb=
>er 0 (zero) which I recall says that the power-up diagnostics say the syste=
>m is OK.=20
>> >=20
>> > I currently have a VT420 connected to the console port using a DECconne=
>ct cable (branded even) and an H8571-J adapter (MMJ to 9-pin). I get nothin=
>g on the terminal. Note that this VT/Cable/Adapter setup works for consoles=
> on my DS10s, DS15s and RXyyyy systems with no problems.=20
>> >=20
>> > The only doc I could locate showed a connection using a VT320 with the =
>cable/adapter I have but included in the stream a BC22 null modem cable. Is=
> this required here or is there a variant of the H8671 that I should be usi=
>ng?=20
>> >=20
>> > Thanks for any suggestions.=20
>> >=20
>> > Dan
>> If that's a GPX or other uVax with video cards installed,=20
>> you may not get any console output with the graphics cards=20
>> plugged in, as fwir, console io gets redirected to graphics=20
>> if it finds any.=20
>>=20
>> Best way is to bring it up bit by bit. Unplug the first=20
>> card past the cpu and memory, which will break bus grant,=20
>> then try again...=20
>>=20
>> Chris
>In case you missed it, the correct h8571 adapter resolved the problem thanks 
>to Hoff.

Yup, that or a BCC08 cable.  On the uVAX 9-pin port, the common or ground was
pin 7 whereas with PeeCee 9-pin connections, it's pin 5.

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