1/2 tape in Bell ESS5
Anyone know the spec s for the tape drives in a ESS5 exchange ?
Re: 1/2 tape in Bell ESS5
http://www.tape-replacement.com/support/lucent-at-t-5ess/ I've seen M4 Data 9914V drives configured for 48v and At&T part numbers https://en.wikipedia.org/wiki/5ESS_Switching_System On 7/30/17 11:53 AM, Pete Lancashire via cctalk wrote: > Anyone know the spec s for the tape drives in a ESS5 exchange ? >
Re: 1/2 tape in Bell ESS5
On 07/30/2017 01:53 PM, Pete Lancashire via cctalk wrote: Anyone know the spec s for the tape drives in a ESS5 exchange ? Relabeled CDC Keystone 92181? I'm pretty sure they did call logging on these. Very likely the Keystone was connected to a 3B2 that received the data over some comm format from the ESS computer. The data rate was not real high. But, there may have been other tape drives for other purposes (firmware, diagnostics, etc.) Jon
Re: 1/2 tape in Bell ESS5
I got things totally mixed up, The email to the CC list was suppose to be 1ESS and other one to a different list was suppose to be 5ESS On Sun, Jul 30, 2017 at 2:00 PM, Al Kossow via cctalk wrote: > > http://www.tape-replacement.com/support/lucent-at-t-5ess/ > > I've seen M4 Data 9914V drives configured for 48v and At&T part numbers > > https://en.wikipedia.org/wiki/5ESS_Switching_System > > On 7/30/17 11:53 AM, Pete Lancashire via cctalk wrote: > > Anyone know the spec s for the tape drives in a ESS5 exchange ? > > > > >
Re: 1/2 tape in Bell ESS5
That was suppose to be 1ESS NOT a 5 On Sun, Jul 30, 2017 at 11:53 AM, Pete Lancashire wrote: > Anyone know the spec s for the tape drives in a ESS5 exchange ? >