5362 system
Jan T
Ive recently acquired a 5362 system with 1 terminal and a printer, but
without any cables.
thus im trying to find twinax cables first. does anyone know their
specs? i went to a local electronics store and they had one named
twinax with the same construction only just about 1cm in diameter, so
smaller than the ones used in by ibm. the manual i have doesnt state
their resistance required etc. any help would be appreciated.
i found two manuals inside the case: 'maintenance information manual'
& 'system reference codes'.
if someone would have a problem with diagnostics i can look stuff up.
sadly, i have not recieved any disks with the system.
http://en.wikipedia.org/wiki/System/36 has quite a list of software
compatible, but im guessing they seldom show on ebay. if someone would
have any, praticularly a set of the 'system support program' disks or
the FUNLIB i'd be very interested in buying.
PS. this is a link to a discussion on how to get around password
security:
http://groups.google.com/group/comp.sys.ibm.sys3x.misc/browse_frm/thread/562e7b71bc35a1f4/19cdb290b652d26c
thanks
Michael Kennedy
> thus im trying to find twinax cables first. does anyone know their
> specs? i went to a local electronics store and they had one named
> twinax with the same construction only just about 1cm in diameter, so
> smaller than the ones used in by ibm. the manual i have doesnt state
> their resistance required etc. any help would be appreciated.
The specs on Wikipedia seem correct:
http://en.wikipedia.org/wiki/Twinaxial_cabling
It states there that the impedance is 110 ohms - which, I presume, is
correct. However, when enquiring, searching, etc, just look for the type
that suits the S/36 or AS400 devices from IBM.
You should be able to purchase pre-assembled cables.
Or, just purchase a spool of cable, and a few connectors, and assemble
yourself. A little soldering is needed. For the standard connector, the
components shown here are correct:
http://www.stonewallcable.com/product.asp?dept_id=126&pf_id=P-000-610
Usually, when you get the connectors, there's a little diagram inside
showing you the exact assembly, cable-stripping measurements, etc.
However, it's not rocket science anyway!
You might encounter very slight variations in the external size of the
cable, and in the connectors. If you're unlucky, you might get a cable
that's marginally thicker, and connectors that have a marginally smaller
diam, and it's very difficult to push the connector components over the
cable. To avoid that challenge, perhaps try to purchase all items from
the same supplier. However, I've experience of getting all items from
the same supplier, and they were still darn awkward to assemble - you
might have to reduce the diam of the external insulation marginally -
perhaps by using sandpaper...
- Mike
Allyn Uptain
If you google "twinax baluns" you should be able to find a seller. One that's been around a while is www.system3x.com. There are others. Fast fading into the dustbin of history.
later -
Jan T
> If you've never used 5250 twinax cables, you might want to consider just going with network cables. They make something called "twinax baluns". You screw these onto the places where you would screw a twinax cable. The back side of the balun is a regular RJ45 network cable port. So you just run regular old network cable between 2 baluns and you don't need twinax cables. Twinax cables are a pain in the butt.
>
>
> later -
thanks. im probably going to order a cable from the usa, inevitably
paying some 30$ for it. it seems impossible to get one in europe.
im still looking for software & manuals, anyone?