[j-nsp] PIC Compatibility Matrix

[Kashif.Khawaja at Broadwing.com]

Hello Everyone,

In an effort to determine parts can be used where I have been going through the Juniper's
website to find some definitive information once and for all about what PICs can be used
in what platform. This link below shows a PIC compatibility matrix saying e.g. a 1-port
GigE ( I understand they could be different parts physically/electronically) PIC can be
used in an M10, M20, M40e, M160 (FPC1) and M320 (FPC1).
http://www.juniper.net/products/ip_infrastructure/modules/100055.html
Then you dig a little deeper and you find this link:
http://www.juniper.net/products/ip_infrastructure/modules/100044.html#ordering and you see
specific part numbers for the different PICs that go into their respective platforms.

My understanding (if I remember correctly, though I can't remember the rationale behind
it) was PICs from, say, M10 and M160 are interchangeable and the same goes for M20 and
M40. I see the part number for the GigE PIC for M5, M7i, M10, M10i is PE-1GE-LH, for an
M20 it is P-1GE-LH and for M40e, M160, M320 it is PB-1GE-LH. Base on this I would have to
deduce, at least, that the PICs for the M160 and M10 are not interchangeable. Am I
off-base here? 

The other question is how can I find out if a PIC for an M10 can used in an M160 as well
or a PIC for an M40 can be used in an FPC in M20 as well? And what kind of restrictions
does having an FPC2 introduce in this. I notice in the first link FPC does not support
most of the modules FPC1 does.

Any help would be greatly appreciated.

Thanks!
-Kashif.
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