On Aug 30 2004, 23:15, Tony Duell wrote:
> > But something was nagging at me and I went and looked at the
prints.
> >
> > The DEC DLV11-J, a 4 port unbuffered SLU had a clock I/O pin on
it's Berg
> > connector.
> > It could output the 16x internal baud clock on that pin to drive a
terminal,
> > or accept a 16x external clock from a terminal, for each UART.
>
> That pin was commonly used with a DEC current loop converter module,
the
> number of which I forget (DLV11-K ???). That box plugged into the
DLV11-J
> at one side and had an 8 pin Mate-n-lock on the other to connect to a
> standard DEC current loop cable. It also included a 110 baud (1760Hz)
> generator, since the DLV11 couldn't do 110 baud as standard and the
most
> common reason for wanting a current loop interface was to connect to
an
> ASR33.
Yes, it's a DLV11-K, and is also why the DLV11-J has 12V supplied on
one of the connector pins. I've got one here.
--
Pete Peter Turnbull
Network Manager
University of York
Received on Tue Aug 31 2004 - 01:32:28 BST