Cooper Security 9751 Guide d'installation Page 75

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4. Programming
496792 69
alarm system now knows to expect a call within the next
10 to 90 seconds. <Downloader> then rings the alarm
system again, within 10 to 90 seconds. The alarm system
answers after the first ring.
Note: When using "Answer on 1 Ring" set the number of rings in "Rings to Answer"
(C112) to a higher number than that used by the equipment sharing the
telephone line with the alarm system. If you do not, then the other equipment
will never answer any incoming calls.
Access Mode (Command 114)
This function allows you to provide extra security when a remote PC is
dialling into the system. Once the PC is connected to the system then the
<Downloader> has access to all system programming Commands. If you
wish to provide secure access then either use Option 0 or Option 1 below.
Alternatively you can use Command 110 if you want an engineer present to
provide access for a remote PC connection to the panel. Please note that
you cannot use secure callback with Command 110.
Option 0 Call Out Only. Operation: Someone must start a call to the remote
PC manually using Command 0 in User Mode. User Command 0
calls the first <Downloader> telephone number (see Command
118).
Option 1 Secure Callback. Operation: When the remote PC calls, the
system waits for the set number of rings (see Command 112) and
then answers. The remote PC sends a panel ID, the <DOWN-
LOADER> software version, and indicates which of the two
Downloader Telephone Numbers to use (see Commands 118/
119). The system checks that the remote PC is sending the
correct panel ID, and is using the correct <DOWNLOADER>
software version. If these items don't match then the system
hangs up. If the items do match then the system hangs up and,
after a short delay, the system seizes the telephone line and calls
the PC using the indicated Downloader Telephone Number.
Note: Secure Call Back must be Disabled (Default) until the first “attended” upload
has been performed. This first upload can be carried out either using Com-
mand 110 option 1, or using Command 114 option 0.
Option 2 Unattended Mode.
Operation: The control unit answers as soon as the number of
rings set in Commands 112 or 113 have elapsed.
Note: The <Downloader> operator can choose to use Secure Callback, even though
the alarm system is programmed for Unattended Mode.
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