DEQNA cab kit wiring

Nigel Johnson Ham g4ajq1 at gmail.com
Wed Nov 3 11:15:25 CDT 2021


Thanks for the outstandingly-quick response!  I had already buttoned up
the cab and put it aside for another day.

Thanks also for the link to a site I did not know about, I'll bookmark
it for later browsing.

Soldering iron on!

cheers,

Nigel

Nigel Johnson, MSc., MIEEE, MCSE VE3ID/G4AJQ/VA3MCU
Amateur Radio, the origin of the open-source concept!
Skype:  TILBURY2591 nw.johnson at ieee.org



On 2021-11-03 12:06 p.m., Ron Pool via cctalk wrote:
> I don't have anything for the DEQNA, but the cable info I've seen for DELQA has the comment "this one would probably work for
> a DEQNA, too."  The document I grabbed from http://antinode.info/dec/delqa_cable.html says:
>
>
>                                                 29 December 1996.  SMS.
>
>       DELQA (DEQNA?) Ethernet Cabinet Kit Cable
>
>    This document describes the cabinet kit for a DELQA Q-bus Ethernet
> interface board.  The kit comprises the AUI connector and fuse assembly
> at the bulkhead panel, and the cable from the bulkhead panel to the
> DELQA board.
>
>    The kit for a DEQNA was similar, and this one would probably work for
> a DEQNA, too.
>
>    The connector at the board end of the cable is a 2x12 position,
> 0.1-inch pitch female.  The corresponding connector on the DELQA
> (M7516[YM]) is a 2x10 male.  The outer two pairs of hole on the female
> connector are unused, but the male connector accomodates the 2x12 female
> connector.  The pin numbers shown below are for the 2x10-pin male
> connector on the board.  The AUI connector is a DB15-S (female).  The
> fuse on the bulkhead panel near the AUI connector is a 1.5A, 25V,
> slow-blow.
>
>
>    DELQA connector, as viewed from cable end.
>
>       xx 19 17 15 13 11 09 07 05 03 01 xx
>       xx 20 18 16 14 12 10 08 06 04 02 xx
>    =========================================
>
>    DELQA  Signal       Wire color          AUI (D.xx) and fuse assembly
>
>      01   Power +12V   Red                 fuse tip
>      02   (nc)         (missing on male,
>                        plugged on female)
>      03   Return 12V   (nc)
>      04   Return 12V   Blk                 D.06
>      05   Ground       (nc)
>      06   Receive +    Wht                 D.05
>      07   Receive -    Gra                 D.12
>      08   Ground       (nc)
>      09   Ground       (nc)
>      10   Transmit +   Org                 D.03
>      11   Transmit -   Yel                 D.10
>      12   Ground       Bare                D.04
>      13   Ground       (nc)
>      14   Collision +  Blu                 D.02
>      15   Collision -  Grn                 D.09
>      16   Ground       (nc)
>      17   (nc)         (nc)
>      18   (nc)         Tan                 D.07
>      19   (nc)         Brn                 D.15
>      20   Fuse OK      Vio                 fuse ring
>                                            fuse ring  --- Org --- D.13
>
>
>    The cable is double shielded.  "Bare" is the inner shield.  The outer
> shield is connected to the bulkhead panel near the AUI connector.
>
>    As the author (dimly) recalls, the DEQNA cabinet kit cable had one
> fewer wire, presumably not a very important one.
>


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