Installation SD1+
6
SD1+ Connections
Caution: Before making any connections to the SD1+ remove the
power (battery and 240V mains) from the equipment you intend to
connect the unit to.
Z
Connections on the SD1+ are either “Safety Extra-Low Voltage”
circuits (SELV) or “Telecommunication Network Voltages” circuits
(TNV). Connect TNV circuits only to the PSTN. Connect SELV circuits
only to other circuits designated as SELV circuits.
Z
Route cabling to the telephone line connections (TNV) well away from
the trigger input circuitry (SELV). Route cabling to the trigger input
circuitry (SELV) well away from the telephone circuitry (TNV).
The SD1+ provides the following connections:
Trig Inputs (see figure on page for connection diagram):
A: When triggered, the unit starts the dialling sequence and sends
message A.
B: When triggered, the unit starts the dialling sequence and sends
message B.
C: When triggered, the unit starts the dialling sequence and sends
message C.
ABORT/D: If the SD1+ is programmed as “ABORT by INPUT” this
connection can be used to abort the dialling sequence. If the
SD1+ is not programmed as “ABORT by INPUT” this
connection can used as trigger input D.
Z
You can select Trigger/Abort inputs to be either +ve applied to trigger
or -ve applied to trigger. Set the “Trigger Polarity” jumper-link to the
appropriate position (see figure on page ).
TAMP: These two voltage free terminals are connected directly to the
normally closed tamper switch. You can connect them to the
main tamper zone on the alarm control panel, to provide case
tamper protection for the SD1+.
0V: Connect to a permanent 0V supply on the control panel.
+12V: Connect to a permanent +12V supply on the control panel.
O/P1: A switched -ve @100mA programmable output (see page 23).
SD1+ Programming
27
Option 0: Acknowledgement Options
Once the SD1+ has made a call and delivered a
message, it needs a signal to say that the message has
been successfully received. This is done by the recipient
pressing the number “8” on their telephone. When the
SD1+ receives the “8” it stops attempting to send that
message until triggered again.
Option 0 determines how many calls must be
acknowledged before the SD1+ stops attempting to
send a message.
1. If necessary initialise the SD1+ .
SD1+
2. Key in the current passcode.
READY
3. Press 0, the display shows:
CLRBY-
4. Press [, the display shows the current
acknowledgement option, for example:
The options available are:
“ANY-1” at least one call must be acknowledged.
“ANY-2” at least two calls must be acknowledged.
“ANY-3” at least three calls must be acknowledged.
“ANY-4” all four calls must be acknowledged.
“NO-ONE” no acknowledgement required.
ANY-1
5. Press B repeatedly until the display shows the option
you want to use, for example:
ANY-2
5. Press [ to save the change and return to “READY”.
READY
Z
Note: If you select NO-ONE and also program the output as FAILED
(see page 23 ) then the output will not operate.
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