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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