[Message Prev][Message Next][Thread Prev][Thread Next][Message Index][Thread Index]
Re: 4/2 4/1 Timing Protocol Spefications wanted (Alarm protocols)
On 12/28/2021 4:00 PM, Bob La Londe wrote:
> On 12/28/2021 2:25 PM, Bager2700 wrote:
>> Hey I know 4/2 protocol is older than the days, however I am looking
>> for the specs for the timing of the protocol.
>>
>> AKAÂ from Dialer going on line to waiting for station receiver online
>> panel data tone bursts --- ACK -- kissoff etc.
>>
>> Although the timing is fairly flexible i would like to know the
>> actual specs for the sequence and timing.
>>
>> I have the SIA, Contact ID, FSK, etc but 4/2 formats i have not found
>> information.
>> Does anyone have the info?
>> Thanks inadvance
>>
>>
>
>
> Best guess? Whatever the acceptable timing is between digits for pulse
> telephone dialing. Really. That's where it comes from. Its also why
> pulse format is so slow compared it CID or other single tone/digit formats.
>
(See now if I am wrong somebody will jump on to correct me. You are
welcome.)
Best way to get answers on the Internet/Usenet. Post the wrong answer.
LOL.
--
This email has been checked for viruses by AVG.
https://www.avg.com
alt.security.alarms Main Index |
alt.security.alarms Thread Index |
alt.security.alarms Home |
Archives Home