[time-nuts] Z3815A

Steve Rooke sar10538 at gmail.com
Mon Jan 25 11:09:36 UTC 2010


2010/1/19 Murray Greenman <Murray.Greenman at rakon.com>:

> 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.

Sounds like they were specific to VK and that is why I'm not seeing
much in the "mainstream" about them.

> 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.

I don't suppose there are any more of these left?

Steve Rooke - ZL3TUV & G8KVD
A man with one clock knows what time it is;
A man with two clocks is never quite sure.

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