[time-nuts] RS232 output on a 53181A

Jim Harman j99harman at gmail.com
Wed Jul 12 11:56:24 EDT 2017

Well ASCII * is 2a in Hex, p is 70 so that seems an unlikely substitution
for a failing EPROM.

But 0 is 30 Hex, only one bit different from p.

On Wed, Jul 12, 2017 at 10:39 AM, Angus <not.again at btinternet.com> wrote:

> Hi,
> I've just been using an Agilent 53181A, but the serial output is not
> quite what I had expected. On the 53131A's that I've used the
> placeholder character on the RS232 output is an asterisk, but with
> this unit it is a lower case 'p'. Where the 53131A sends '2,*** u',
> this 53181A send '2,ppp u'. The only references to a placeholder that
> I saw in the manuals referred to an asterisk.
> The firmware version is 4613.
> Anyway, just wondering if anyone knows if this is correct, or maybe
> it's just the EPROM starting to fail.
> Thanks,
> Angus.
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--Jim Harman

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