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  3. July 2006

Re: SDLC, 2793 and IOP-less mode

It would appear that they are playing games with these
feature cards: Note the function available for iop-less.

I don't believe this would be the default on a new
system but you never know.


(#9493) - Base PCI WAN for ECS
The #9493 is a WAN with modem adapter that provides connectivity for IBM Electronic Customer Support (ECS) only. This feature is the non-Complex Impedance Matching (CIM) version offered in all countries except Australia and New Zealand. #9493 is functionally equivalent to #0614, #2793, and #9793, but #9493 indicates to IBM configurator tools that the IOA is being used by i5/OS in an IOP-less mode. When in IOP-less mode, the adapter function is restricted to communicating to IBM ECS on port 0 (modem port). Port 1 is the RVX port and is not supported in an IOP-less mode.
Port 0 supports V.92 56K PPP, V.92 data modem, and V.44 data compression. Port 0 does not provide synchronous modem capabilities (SDLC and synchronous PPP). 

Kendall Kinnear wrote:


That's because what you got is a 9493 (IOP-less) in marketing terms. The
9793 is the old IOP-required feature. IBM started defaulting the 9493
into the configurations in the last couple of months.

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