On 9/25/2015 1:00 PM, Paul Anderson wrote: > Thanks for the feedback everyone. > > The 17 class # should be the type of wire used in the cable, so maybe the > -00 ans -01 is the difference . >
That would surprise me. That last two digit suffix is typically a revision. > I'm just trying to sure weather or not the RL and RK cables are > interchangeable. Sounds like the RK might work on the RL, but not the other > way. > I think that has been my experience. I know that the RL cables do not work with the RK drives, because I tried it once. > I have plastic and metal terminators, and the same with the cables and was > trying to remember if that had anything to do with it. I have only ever seen plastic ones, and I have both kind of drives. So, no, I don't think so. > > Seems like we used to use the BC80 M and J for any controller when we had > them. > > For whatever reason DEC replaced the 70-12122 with the BC21Z. > > Is the 70-12145 the electrical connector for the transition bracket, the > metal mounting bracket, or the entire assembly? > >From the RL01/02 user guide it appears that part number is for the assembly. I ran out of time before I could check the controller documents. > Thanks, Paul > > On Fri, Sep 25, 2015 at 10:07 AM, Jay Jaeger <cu...@charter.net> wrote: > >> On 9/25/2015 7:24 AM, tony duell wrote: >>>> >>>> Does anyone have both of these that I can pick their brains? >>> >>> Yes. >>> >>> The RK06/07 cable connects all pins. The RL01/02 one connects only those >> used >>> by the RL drives. I doubt the characteristic impedance is different as >> the terminators >>> are the same. >>> >>> -tony >>> >>> >> >> Actually, the terminators for the RL and RK06/07 drives are *identical*, >> part number 70-12293-xx (The RL manual has no XX, the RK06/7 manual as >> 0-0 for XX, but no worries, that is just a revision number) . >> >> Darn good thing, too, because the terminators have no markings on them. ;) >> >> The wire in my RK06/RK07 cables has part number 1700051-00 on it. (Not a >> reliable indicator - see below). According to the manual, the RK06/RK07 >> cable assembly part numbers are 70-12292-LL where LL (length) may be 8, >> 12, 25 or 40. All of my RK06/RK07 cables have the part number. >> >> The wire in my RL cables is marked two different ways. One cable has >> the DEC part number for the cable itself (70-12122-10), and the wire is >> part number 1700051-01 (same as the RK cable!), and is marked AWM ... >> 2464. Others, which have no DEC part number on either the cable or the >> wire, has AWM ... JUDD Wire Div. Style 2576 on the wire. >> >> The wire I have on my RK06/07 cables is smooth and stiff, whereas the >> wire in the RL cables tends to be more "bumpy" and more flexible and >> shinier. However, given the wire part number 1700051-xx appears on both >> kinds, and is not shiny, wire used is itself not a reliable indicator. >> >> The DEC part numbers for the RL cables themselves apparently varies: >> >> BC20J-XX DEC part number 70-12122-10 - RL11, RLV11 >> BC80J-20 - RL8A >> BC80M-6 - RLV12 >> >> I would say that if an unmarked cable is 6, 10 or 20 feet long, and >> flexible it is mostly like an RL cable. If the cable is 8, 12, 25, or >> 40 feet long it is probably an RK06/07 cable. >> >> JRJ >> >
