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# Re: GEMS 1.5.10 uploading

- To: "Support" <support@gesn.com>
- Subject: Re: GEMS 1.5.10 uploading
- From: "Ian S. Piper" <ian@gesn.com>
- Date: Thu, 11 Mar 1999 14:14:55 -0600

> This could be a cable issue. Some of our cables are designed for 3-wire connections and loop back other signals so that whenever the cable is plugged in, it looks like there is a device connected to the other end of the cable. In this case GEMS would never be able to see whether the Accu-Vote is really connected and powered on.

> Global may have had some three wire cabling in the Vancouver office but I don't know of any customers that use that configuration. We usually shipped standard computer cables to customer sites.

> BTW, the Accu-Vote main serial port does have an input for hardware handshaking. Pin 8 on the DB 9 pin connector is attached to a CTS line (true high on the DB 9 connector) into the V25 CPU chip. That is unfortunately the only line available on the V25 CPU chip for data flow control.

> The modem port does not have that line connected to the modem. The CPU board Revision 6.1 (current) and lower has that line hardwired in a true condition for the modem port.

> Sincerely:

> Ian

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