[time-nuts] Z3815A

paul swed paulswedb at gmail.com
Mon Jan 18 18:45:37 UTC 2010


That makes a lot of sense for T1/E1 applications across a country. I know VK
had put in an early extensive glass phone network. Wonder if these were for
smaller offices?

On Mon, Jan 18, 2010 at 12:32 PM, Murray Greenman <Murray.Greenman at rakon.com
> wrote:

> Steve,
>
> There are at least 20 Z3815A units in ZL Amateur hands that I know of,
> and many more in VK. They were 'rescued' by a friend in VK, and have
> been distributed with firmware and manual that we've worked out for
> them. As far as I can make out, they were not used in cellular systems
> here.
>
> Unlike the Z3801A, Z3805A and Z3816A, the Z3815A is more than just a
> 'general purpose' unit. It has a complex back plane with all sorts of
> signals intended for E1/T1 phone systems. Other units I have met with
> these extra features include the Chongho GPSR-A (clone of the Z3815A),
> the Samsung GCRU-D and the Trimble (Nortel) NTGS50AA. All came from
> Australia, and I've no doubt there are several other types there as
> well.
>
> 73,
> Murray ZL1BPU
>
>
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