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Programming SD1+

Trouble Shooting Guide

Problem Possible Cause Action

The SD1+ will not

trigger from the alarm

panel.

Incorrect polarity setting. Check that the jumper link is set

to the correct position (see page

7).

Incorrect trigger voltage. Measure trigger voltage and

check connections (see page 7).

An input has triggered

the unit but the display

shows “SD1+” all the

time.

The SD1+ does not

display anything except

for “SD1+” whilst it is

triggered.

To see the status of the SD1+

when triggered use the “Test Call”

option (page 28).

The unit will not dial the

programmed telephone

number.

Number entered

incorrectly.

Check that you have keyed-in the

number correctly.

The unit is dialling out

through an internal

telephone exchange

(PABX) that needs a

pause after initial “9”.

Make sure that you have

programmed a pause into the

number after the initial “9” (page

14).

The unit is wired to an

exchange that needs a

special button pressed to

select a line.

The unit cannot be with this type

of exchange. Connect it to a

standard BT line.

Incorrect telephone line

connections.

Check the connections to the

telephone line (see page ).

The recipient of the call

cannot acknowledge

the unit by pressing the

“8” button.

Incorrect

acknowledgement

procedure.

Instruct the recipient in the correct

procedure (see pages 3 and 27).

The recipient is using an

incompatible telephone.

Call the recipient and ask them to

press the “8” button on their

telephone. If you hear anything

other than a tone, the telephone is

not capable of acknowledging the

SD1+. This may be overcome by

using a tone pad to simulate the

dialling tones. Contact your

installation company for details.

SD1+ Introduction

THREE WAY CALLING

This is a service normally provided by British Telecom. If the service is

enabled then the SD1+ will use it to prevent anyone trying to block the

telephone line.

CALL ATTEMPTS

When triggered the SD1+ rings a programmed number and waits 55

seconds (about 20 rings) for an answer. If the called phone does not

answer then the SD1+ hangs up and tries again immediately. If the called

number does not answer for a second time the SD1+ hangs up and waits

five seconds, then calls again for the last time. If the destination still does

not answer the SD1+ hangs up and operates the Fail output (if

programmed) for seven seconds.

ACKNOWLEDGEMENT OPTIONS

Once the SD1+ has made a call and delivered a message, it needs a

return signal to show that the message has been successfully received. If a

person is taking the call they can acknowledge the message by pressing

the number “8” on the their telephone keypad. When the SD1+receives a

digit “8” it will stop attempting to send that message until it is triggered

again. You can program how many times each message must be

acknowledged.

LAST CALL LOG

The SD1+ keeps a log of the last call it has made. The log also shows

which input was triggered last.

CALL ABORT

If required, you can program the SD1+ so that one of the following events

will abort a call:

Applying a signal to the Abort input (shared with input D).

Removing the input that triggered the unit.

Keying in the user passcode.

When aborted the unit will stop dialling out immediately, play a chime tone,

and show “ABORTED” on the display for a few seconds.

PROGRAMMABLE OUTPUT

The SD1+ has a single programmable output. When active the output

applies 0V to its terminal and is capable of sinking up to 100mA of current.

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