Re: DSC GSM Radio back ups

[mleuck <m.leuck@xxxxxxxxx>]

On Aug 6, 6:14=A0pm, G. Morgan <usenet_ab...@xxxxxxxxx> wrote:
> George Siegle wrote:
> >And 25kb is that like 25 signals?...anyone know?
>
> It's a hell of a lot more that 25 signals.
>
> 16 bytes for CID format transmitted twice is 32 bytes
> 32 x 8 =3D 256 bits
> 25kb / 256b =3D 97.6 signals/mo.
>
> Communication Protocol:
> 18 SSSS QXYZ GG CCC K
> 18 =3D Uniquely identifies this format to the receiver and
> to an automation system, but not displayed on the
> printer
> SSSS =3D 4 digit Subscriber ID
> Q =3D Event qualifier, which gives specific event
> information
> E =3D 1 New event or opening
> R =3D 3 New restore or closing
> P =3D 6 Previous event
> YXZ =3D Event code (3 Hex digits)
> GG =3D Group number (physical or logical, 2 Hex digits)
> CCC =3D Zone or sensor number(3Hex digits, event
> reports) or user number (Open/close report)
> Note: The GG and CCC fields can contain 0 for a null (no information) fie=
ld.

Small problem with your calculations Einstein, the cell doesn't
actually send CID, it captures CID from the panel, encodes it into
another data format and sends it to the SurGard IP card that
translates it back to CID.