ADEMCO 685 - Computer Options

.-.
B.
-.
,—
3.
If en
ACK is not received within 2 seconds after the second
t~s~on, tk -puter or mwter lM is sss~ed to & in a
fatited contition.
me .C~~tw FtilurenLED on the No.
685 will
light md a ccmputerfa=ure message will appear on the No. 685
displayand the printer(if used). Thereis an optionto force the
No. 685 into the
~NUW mode upon ccmputerfafiure (seeSection111
B7).
8.
H the ~~ter is in a fatit sontition, m-sages till still be s-t
to the -Wter .
However,otiy one transmissionWr m~sage will
OCCW. Once an ACK is receivedwittin2 secondsaftera transmission,
the “computer fault” conditionwill te eancelledend a “mmwter
restorenmessagewill be triggered.
5.
-
t- the com~w t~
te the -acter ‘Sw to t~ No.
6S5, the
No.
685, if operating ~operly, fill reepnd with the messaga:
LFOOBOKAYfi@CR
within 5 seconds.
After sendingthe OKAY @ m-sa&, the No. 685 will iaore additiond
“Sn charactersfromthe cmputer for a periodof 10 seconds.
In addition,the follwing optionshave been added:
Cmmer
Options:
1. R~dy Ltie/A_CK Sdect:
men this optionis selected,the No. 685
will uee the
ACK/NACK hsnds~ke protocolas a method of detetining
the com~ter statue. If the option is not selected,the mm~ter
ReadyLine (Pin20) wfil be monitored.
2.
-w Returtis=Ps -aster:
The No. 685 may k programmedto
otiput an ~CAPE character(~C
- ASCII lB Hex) instead of the
Carriage Return that normally terminates a transmissionto the
caputer.
3.
~ W
on C=mer F*lore:
As an
option,the No. 685 may te set
up to enter the ~UAL mode in the event of a caputer faflure. It
will revertto the AUTO mode uwn comwter restore.
If a printeris present,it is possibleto overridethis function
usingthe
OFF-~M DIP stitch (stitchH locatedbelw the 1RG2RG DIP
switchon the front fli~down panel).
4.
Peri&c Test Measw:
This option,when selected,will =use the
No.
685 to send a testmessageto the cmputer if no remar messages
hsve been sent to the comwter for a Fried of time
(45 seconds
approx.).
This option,when used with the new hsndebke protocol
(ACUNACK o~ion in It= 1 a~ve ), allms the cOmWtw ~d the No. 685
to motitoreach other.
5.
Aiert
Tone Sfladng:
Nhen this optionis selected,the alerttone
will ofiy be triggeredfor No.
685
systm mmsagw and line fatit
messages
(RWA, R~, and L~ =OUPS ). Alarm messagesthat till te
hen~ed autmatic~ly by the ccmputerwfll not triggerthe alert,thus
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