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Re: [10GBASE-CX4] Cable / Connector pinout




Dan,
	I have Vol 1, Rev 1a and Vol 2, Rev 1.  I didn't have Vol2, Rev 1a. 
After looking at Vol 2, Rev 1a all is fine and the cables match the
spec.

Thanks,
Howard


"DOVE,DANIEL J (HP-Roseville,ex1)" wrote:
> 
> Hi Howard,
> 
> I am looking at the spec and find that the
> cable signals are consistent with my draft
> and your stated IB Signal is different.
> 
> The document I hold, Volume2 rev 1.0a has
> change bars on those signals as if they were
> the most recent change.
> 
> This suggests you *may* be looking at an old
> draft. (please oh please oh please!!)
> 
> Can someone more familiar with this matter
> please reply to this?
> 
> Thanks,
> 
> Dan
> 
> -----Original Message-----
> From: Howard A. Baumer [mailto:hbaumer@broadcom.com]
> Sent: Tuesday, December 10, 2002 8:44 AM
> To: 10GBASE-CX4 (E-mail)
> Subject: [10GBASE-CX4] Cable / Connector pinout
> 
> All,
>         I just noticed that the connections for the Cable assemblies we have
> been dealing with do not match the connections in the IB specification.
> Here is what I have determined:
> IB  IB        Cable
> Pin Signal    Signal    Difference
> S1  IBtxIp(3) IBtxIp(0) X
> S2  IBtxIn(3) IBtxIn(0) X
> S3  IBtxIp(2) IBtxIp(1) X
> S4  IBtxIn(2) IBtxIn(1) X
> S5  IBtxIp(1) IBtxIp(2) X
> S6  IBtxIn(1) IBtxIn(2) X
> S7  IBtxIp(0) IBtxIp(3) X
> S8  IBtxIn(0) IBtxIn(3) X
> S9  IBtxOn(3) IBtxOn(3)
> S10 IBtxOp(3) IBtxOp(3)
> S11 IBtxOn(2) IBtxOn(2)
> S12 IBtxOp(2) IBtxOp(2)
> S13 IBtxOn(1) IBtxOn(1)
> S14 IBtxOp(1) IBtxOp(1)
> S15 IBtxOn(0) IBtxOn(0)
> S16 IBtxOp(0) IBtxOp(0)
> 
> The Cables IBtxI lane order is reversed from the IB Specification.  I am
> looking at "InfiniBand Architecture Release 1.0 Volume 2 - Physical
> Specifications" page 160 & 161, table 24.
> 
> Howard Baumer