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.john...@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. >
