DECstation 5000/240 Thickwire Connector
paulkoning at comcast.net
Wed Oct 4 18:18:09 CDT 2017
> On Oct 4, 2017, at 5:37 PM, Peter Coghlan via cctalk <cctalk at classiccmp.org> wrote:
>> The thickwire connector on my DECstation 5000/240 does not have the sliding
>> lock on it, instead it has standoffs with threaded screw holes (like any
>> normal serial/parallel connector). This means that the thickwire adapters I
>> have won't connect properly because their locking studs are blocked by the
>> standoffs on the main board connector. I can remove the standoffs I suppose,
>> but I was just wondering if anyone has ever come across this before?
> This is also the case on the VAXStation/MicroVAX 2000 and on the (E?)ISA
> ethernet card in my Alphaserver 2100.
> Look for an AUI cable such as the BNE4E-02 which has screws on the right
> angle male end and a sliding lock on the straight through female end.
> (I suspect the 02 could mean 2m long.)
The Pro machines also have this. I suspect the reason is that the slide lock is hard to operate when attaching a cable to a large enclosure. So yes, you need an adapter cable, or remove the standoffs and rely on friction.
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