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TECHNICAL MANUAL

EDITION 1.2.1

GSM DOOR INTERCOM

SYSTEM

PAGE 2 of 36 GSM DOOR INTERCOM TECHNICAL MANUAL VER1.2.1

PAGE 3 of 36 GSM DOOR INTERCOM TECHNICAL MANUAL VER1.2.1

CONTENTS

PAGE

Manual introduction 4

System introduction 4

Precautionary advice 5

System components 6 – 13

Intercom module 6 – 7

Expansion button modules 8 - 9

VX800 Codelock 10 - 12

Door panel mounting frames 13

Power supply 13

Wiring diagrams 14

Accessories wiring guide 15

Cable guide 16

Installation overview 16

Panel care 16

Testing, power up and reset 17

Programming 18 – 27

Programming by text message 18 – 24

Programming by dial in 25 – 27

System operation 28 - 29

User commands 28

Checking the balance of a Pay As You Go SIM 29

Understanding the signal strength test 29

Dial in priority 29

Call button record keeping table 30

Dial in access control record keeping table 30 - 31

Understanding the beeps 32

Troubleshooting guide 33

Conformance information 34

Software updates 35

PAGE 4 of 36 GSM DOOR INTERCOM TECHNICAL MANUAL VER1.2.1

MANUAL INTRODUCTION

The information in this manual is intended as an installation and commissioning guide for

the GSM door intercom system. This manual should be read carefully before the

installation commences. Any damage caused to the equipment due to faulty installations

where the information in this manual has not been followed is not the responsibility of

Videx Security Ltd.

VIDEX run free training courses for engineers who have not installed this system before. Technical

help is also available on 0191 224 3174 during office hours or via e-mail tech@videx-security.com.

SYSTEM INTRODUCTION

The system is designed to work on the same technology as mobile phones. It enables a

call to be made from an entry point (Door, gate etc), to any telephone number (mobile or

land line). Up to ten call buttons can be connected to the door panel, each able to call two

telephone numbers (If the first is busy or not answered, the call can be diverted to the

second). Features of the system include a dry contact relay output, an open collector

auxiliary output, push to exit input and switched 0V auxiliary input. Programming of the

telephone numbers and additional features can be carried out via text messaging or dial in.

An additional access control feature is also available on the system allowing a number of

callers to open the gate/door simply by dialling the telephone number of the intercom panel

(The intercom panel will not answer these calls but will activate the relay output).

A SIM card is required for this product but not supplied. It is recommended to choose the

SIM card which has the best coverage for the area in which the intercom panel will be

installed. Both contract and ‘Pay as you go’ SIM cards can be used but if using a ‘Pay as

you go’ we would recommend setting up an automatic top up to avoid running short on

credit and loosing the use of the intercom panel. Alternatively if you already have a

contract mobile phone it should be possible to get a second SIM card and telephone

number on the existing account. For more information contact the SIM card providers or

visit their web sites.

When registering a new SIM you may be asked for the IMEI number. This is the unique

serial number of the GSM intercom and can be found on the rear of the module as shown

in the picture below:-

IMEI Number

PAGE 5 of 36 GSM DOOR INTERCOM TECHNICAL MANUAL VER1.2.1

PRECAUTIONARY ADVICE

o When mounting the GSM antenna, choose a location which is away from human

interaction and away from the intercom panel. Route the GSM antenna cable from

the intercom panel so that it is separate from the power supply cables and

microphone wire.

o Always ensure the power is off to the intercom panel before inserting or removing

the SIM card.

o New SIM cards will need registering before they can be used. Full details of how

this is done can normally be found in the SIM card pack. It will normally require that

the SIM card is inserted into a mobile phone, a number dialled and instructions

followed. While the SIM is in the mobile phone it would be a good time to disable

any PIN codes, call diverts, ring back and disable features such as voicemail and

text alerts. Details of how to do this can be found on the SIM card provider’s web

site or by calling their customer services. Please use one of the following SIM card

providers (Vodafone, TMobile, O2 or Orange). We do not recommend using 3 at

this present time.

o To be able to receive text messages from the intercom panel, the SIM card will

require an SMS service centre number. This is normally preinstalled on new SIM

cards but if you are having trouble receiving SMS messages you will need to

confirm this by inserting the SIM card into a telephone and using the telephones

menu options to check it. If a number is not programmed then it should be

programmed while in the telephone (The number can be obtained from the service

provider).

o Voicemail and text alerts must be switched off on the SIM card when using the dial

in to release the door/gate feature. For Vodafone and O2 this can be done while the

SIM card is in the intercom panel. For Orange and T-Mobile the SIM card must be

remove and put into a mobile phone.

o When storing the intercom panel’s telephone number in your own mobile phone

avoid using an obvious name such as ‘Front Door, or ‘My Gate’ as this would make

it easy to decipher if your phone was lost or stolen.

o The PIN request feature must be disabled on the SIM card before using it in the

Intercom panel. It is likely on a new SIM card that it will not be enabled but if it is, it

will prevent the system from working at all.

o This product may not be suitable for installation in hospitals, health care facilities or

in the presence of flammable gases or liquids. Seek advice and authorisation before

installing this product in these locations.

IMPORTANT NOTE ABOUT SIM CARD

When using a pay monthly SIM card you must ask the service provider to put a spend limit

on the account (Vodafone call this service ‘spend checker’). This is to safeguard against

possible problems which could result in a large phone bill at the end of the month. All

providers offer this service. You will need to either ring them or e-mail them to set this up.

Automatic top ups should also have a monthly limit.

PAGE 6 of 36 GSM DOOR INTERCOM TECHNICAL MANUAL VER1.2.1

SYSTEM COMPONENTS

A system comprises of an intercom panel, power supply, SIM card and antenna. The

intercom panel is of modular design allowing it to be customised to the installation

requirements by including proximity access control, coded access or bioaccess and also

including the correct number of call buttons.

INTERCOM MODULE

The intercom panel can include any of the modules from the 4000 Series range and uses

the standard 4000 series surface and flush mounting frames. The GSM amplifier module is

however essential and includes all the GSM communication electronics, SIM card

(Supplied seperately) and connections. The intercom module is available in a 0 button, 1

button, 2 button, & 4 button configuration as shown below along with their part numbers.

Art.4810-0 Art.4810-1 Art.4810-2 Art.4810-1D Art.4810-2D

JUMPER SETTINGS

There are 3 jumpers located on the back of the module. JP2 & JP3 can be used to alter

the volume from the Door Intercom speaker. JP1 is set to indicate the type of power supply

used to power the system.

POWER SUPPLY SELECTION

Note: PSU should be capable of supplying a current of 1A continuously

SPEAKER VOLUME

JP1

JP2

JP3

JP2 JP3 GAIN (dB)

B B 6

A B 12

B A 18

A A 23.5

JP1

JP2

JP3

JP1 POWER SUPPLY TYPE

A 12-14.0Vdc Only

B 15-24Vdc or 13Vac Only

1 1 1 1

2 2

3 3

PAGE 7 of 36 GSM DOOR INTERCOM TECHNICAL MANUAL VER1.2.1

CONNECTION DESCRIPTION

12Vout 12Vdc output to power auxiliary relay

0V Ground connection

C2 Common 2 for call buttons 6-10 & AI(SMS sent)

C1 Common 1 for call buttons 1-5 & PTE & AI(AO Output trigger)

PTE Exit button input (Between PTE & C1) Triggers relay for programmed

time.

AI Auxiliary input (Between AI & C1 triggers AO, Between AI & C2

sends an SMS to the number stored in memory location 020

AO 0V auxiliary output (Open collector) Max. 150mA

C Common connection of dry contact relay

NO Normally open connection of dry contact relay

NC Normally closed connection of dry contact relay

Vin Power supply input (See JP1 table above for correct voltage)

ANTENNA

The GSM antenna connects to the SMA female bulkhead on the rear of the module. A

GSM antenna with a SMA male connector should be used. A block style antenna is

supplied along with an L mounting bracket. Other types on GSM antenna can also be

used.

Note: An antenna must always be connected.

Note: Always route the GSM cable away from the microphone wires and the power

supply wires to avoid interference on the speech channels.

a – e are switched 0V inputs from the call buttons. The

common side of the call buttons connects to either C1 or

C2 (C1 with a-e for buttons 1-5, C2 with a-e for buttons

6-10)

Relay contacts:

3A@24Vdc

3A@120Vac

PAGE 8 of 36 GSM DOOR INTERCOM TECHNICAL MANUAL VER1.2.1

EXTENSION BUTTON MODULES

The GSM intercom module will accept up to ten call buttons. Any of the standard 4000

series button modules can be used as shown below (Button 1 is in the bottom right corner

counting up).

Button connections to the GSM module are shown below. Note the positions of the

jumpers on the button modules (Note: For clarity power and other connections are not

shown below). Also take care when using additional button modules with intercom

modules which also have buttons. For example, an intercom module with one button

means the extension button modules must begin from button 2, an intercom module with 2

buttons means the extension module must begin from button 3.

Up to 5 call buttons using a

single row button module

Up to 10 call buttons using a

double row button module

Up to 10 call buttons using the

single row button modules

PAGE 9 of 36 GSM DOOR INTERCOM TECHNICAL MANUAL VER1.2.1

Button module notes:

• If the GSM module has 1 button, the additional button module buttons should be

addressed beginning with 2 (i.e. The first button of the button module should be

connected between C1 & b, the next between C1 & c etc)

• If the GSM module has 2 buttons, the additional button module buttons should be

addressed beginning with 3 (i.e. The first button of the button module should be

connected between C1 & c, the next between C1 & d etc)

• If the GSM module has 4 buttons, the additional button module buttons should be

addressed beginning with 5 (i.e. The first button of the button module should be

connected between C1 & e, the next between C2 & a etc)

6 BUTTON EXAMPLE

When the jumper is in the top

position, one side of that button

is common to C1. When a

jumper is in the bottom position,

that button is completely isolated

from the others.

In this example, button 1-4 of the

module have a common side to

C1 and button 5 is fully isolated.

An explanation of the jumpers

PAGE 10 of 36 GSM DOOR INTERCOM TECHNICAL MANUAL VER1.2.1

CODELOCK MODULE (4800)

The 4800 codelock includes three relay outputs, two push to exit button inputs and

operates from a 12-24V ac/dc power supply. Up to 2 unique codes can be programmed,

each in the range of 4-8 digits. Relay time can be programmed from 01 – 99 seconds or

set to latching mode with a relay time of 00 (To latch, type in the code followed by Enter, to

unlatch, type in the code followed by clear).

Art.4800 Connections

Connection Function

+ 12-24V ac/dc power input

- 0V power input

C1 Common connection of relay 1 (Dry contact)

NO1 Normally open connection of relay 1 (Dry contact)

NC1 Normally closed connection of relay 1 (Dry contact)

C2 Common connection of relay 2 (Dry contact)

NO2 Normally open connection of relay 2 (Dry contact)

NC2 Normally closed connection of relay 2 (Dry contact)

C3 Common connection of relay 3 (Dry contact)

NO3 Normally open connection of relay 3 (Dry contact)

NC3 Normally closed connection of relay 3 (Dry contact)

SW1 Push to exit input for relay 1 (Triggered by 0V)

SW2 Push to exit input for relay 2 (Triggered by 0V)

PAGE 11 of 36 GSM DOOR INTERCOM TECHNICAL MANUAL VER1.2.1

ART.4800 CODELOCK INITIAL PROGRAMMING

All programming is carried out using the codelock keypad. The programming menu is

protected by an engineer’s code. The factory default engineers code is 111111 (6x1). This

code can be changed to any four to eight digit code during the program but must be

different to the codes used to gain entry. Follow the flow chart to setup the system:-

Enter the engineers

code.

111111

Then press enter

The red LED will illuminate to acknowledge programming mode. If the red

LED does not illuminate check the master code is correct. If the master

code may have been changed from the factory default and you do not

know what it is then follow the factory default procedure on the following

page.

Enter a new engineers

code or enter the same

engineers code again

followed b

enter

This code can be from 4 – 8 digits and will not activate a relay. It can only

be used to enter programming mode.

Note this new code in the box provided on the next page. It will be needed

to re-program the codes in the future.

Enter the access code

for relay 1 and then

press enter

This code will be used to open the door/gate (Relay 1). The code can be

from 4 – 8 digits long and must be different from the engineer’s code.

Enter a two digit relay 1

time from 00 – 99 and

then

ress enter

This is the time the relay 1 will energise for. 00 will latch the relay when

the code is entered and require the code followed by clear to unlatch.

Enter the access code

for relay 2 and then

press enter

This code will be used to open the door/gate (Relay 2). The code can be

from 4 – 8 digits long and must be different from the engineer’s code.

Enter a two digit relay 2

time from 00 – 99 and

then

ress enter

This is the time the relay 2 will energise for. 00 will latch the relay when

the code is entered and require the code followed by clear to unlatch.

codes?

YES

Press enter twice The red LED will go off to confirm the exit from programming mode.

Enter the access code

for relay 3 and then

press enter

This code will be used to open the door/gate (Relay 3). The code can be

from 4 – 8 digits long and must be different from the engineer’s code.

Enter a two digit relay 3

time from 00 – 99 and

then

ress enter

This is the time the relay 3 will energise for. 00 will latch the relay when

the code is entered and require the code followed by clear to unlatch.

codes?

YES

PAGE 12 of 36 GSM DOOR INTERCOM TECHNICAL MANUAL VER1.2.1

ART.4800 CODELOCK REPROGRAMMING GUIDE

Enter the

engineer’s

code

Press Enter RED Light will

illuminate *

Notes:

* If the red light does not illuminate, the engineers code is incorrect. Follow the factory default procedure below.

** On the first loop of the flow chart its relay 1, second loop is relay 2.

FACTORY DEFAULT PROCEDURE

Step 1 Remove the power from the keypad

Step 2 Press and hold the enter button while re-powering the keypad

Step 3 Release the enter button. The factory engineer’s code is restored to 111111 (6 x 1)

Re-Enter the

engineer’s

code

Alternatively enter a

new engineer’s

code (4-8 digits)

Press Enter

Enter relay

code

Relay code (4 – 8

digits) operates the

door or gate. **

Press Enter

Enter relay

time

Press Enter

Two digits (01 – 99 Sec

or 00 for remain open)

doors?

NO Press Enter

twice to exit

programming

RED Light will

switch off

Repeat steps

for relay 2 &

relay 3

YES

Engineers code

Relay 1 code

Relay 2 code

Relay 3 code

Relay 1 Time

Relay 2 Time

Relay 3 Time

PAGE 13 of 36 GSM DOOR INTERCOM TECHNICAL MANUAL VER1.2.1

DOOR PANEL MOUNTING FRAMES

Both surface and flush mounting frames are available. The size of the frame will depend

on the number of modules that make up the door panel. The last digit of the frame code

indicates the number of modules it will take. Frames are available in gun metal gray finish,

chrome finish (Suffix \C to the frame code) or gold finish (Suffix \G to the frame code).

Flush frames:

Surface frames:

POWER SUPPLY

The GSM intercom panel is designed to work with power supplies in the range or 12-

24Vdc or 13Vac. The power supply should be capable of supplying a constant current of

no less than 1 amp (If the system is to work with failsafe lock releases or magnetic locks

we would recommend a minimum of 2 amps). The following Videx power supplies can be

used:-

Art.521B 13.5Vdc 1A DIN box PSU

SP29 13.8Vdc 2A boxed PSU with battery back up facility

SP28 13.8Vdc 3A boxed PSU with battery back up facility

Note: JP1 on the intercom panel must be set correctly for the type of PSU selected

as shown earlier in this manual.

PAGE 14 of 36 GSM DOOR INTERCOM TECHNICAL MANUAL VER1.2.1

WIRING DIAGRAMS

PAGE 15 of 36 GSM DOOR INTERCOM TECHNICAL MANUAL VER1.2.1

PUSH TO EXIT BUTTON AND AUXILIARY INPUTS/OUTPUTS

PUSH TO EXIT BUTTON, TRIGGERS

RELAY FOR PROGRAMMED TIME

AUXILIARY OUTPUT (OPEN COLLECTOR),

TRIGGERS WHEN C1 & AI ARE SHORTED

AUXILIARY INPUT, TRIGGERS

AUXILIARY OUTPUT (AO)

AUXILIARY INPUT, SENDS A SMS MESSAGE

TO THE TELEPHONE NUMBER STORED IN

MEMORY LOCATION 020

(NOTE: Once triggered, it can’t be triggered again for 4

minutes. This avoids multiple SMS messages being sent

for the same alarm)

PAGE 16 of 36 GSM DOOR INTERCOM TECHNICAL MANUAL VER1.2.1

CABLE SIZE GUIDE

Connections for power supply output to intercom panel and lock release connections.

20m 50m 100m

Connections 0.5mm² 1.0mm² 1.5mm²

The power supply should be located as close to the intercom panel as possible for best performance.

Maximum acceptable resistance for above cables = 3Ω

INSTALLATION

- Check that all components are free from damage before installing (Do not proceed with

installation in the event of damage).

- Keep all packaging away from children.

- Do not obstruct the ventilation openings or slots on any of the devices.

- All connections to mains voltages must be made to the current national standards (IEE

Wiring regulations)

- Install an appropriate fused spur or isolation switch to isolate the mains.

- Isolate the mains before carrying out any maintenance work on the system.

- Avoid water ingress into the rear of the module, always seal the module frame after

installation using a suitable silicon based sealant.

- All intercom and access control cables must be routed separately from the mains.

Lock release back EMF protection : A capacitor must be fitted across the terminals on

an AC lock release and a diode must be fitted across the terminals on a DC lock release

as shown in the diagrams below to suppress back EMF voltages.

LOCK RELEASE

12V AC

~~ 0.1uF capacitor

-1N4002 +

12V DC

LOCK RELEASE

DIODE

PANEL CARE

The door panels facia is either mirror finish stainless steel or matt finish aluminium. It is

important that the facia is cleaned on regular occasions to prevent dirt build up and

tarnishing of the metal. A general household metal polish can be used but care should be

taken to follow the grain of the metal when polishing and also avoid any polish build up

around the call buttons which may prevent the buttons from operating correctly.

PAGE 17 of 36 GSM DOOR INTERCOM TECHNICAL MANUAL VER1.2.1

TESTING, POWER UP AND RESET

After connecting the power supply, antenna, lock output and auxiliary devices as shown in

this manual and before powering up a SIM card must be installed. The SIM holder can be

found on the back of the module under the label ‘SIM’. A SIM card from any supplier can

be used. Simply push the SIM holder in the direction of ‘OPEN’ and then lift. Insert the SIM

card (It will only fit one way) and then push back down and into the ‘LOCK’ position.

IMPORTANT: Replace the label over the SIM hole.

- Check all the connections have been made correctly and then power up the system.

- The GSM intercom requires approximately 30 seconds too initialise properly. We

recommend not sending SMS messages or pressing buttons during this time.

- From power up; two short beeps will be heard and then following a short delay of

approximately 15 seconds, the name plate light will illuminate and a further short beep

will be heard. After approximately another 15 seconds another short beep will be

heard. The module is now fully initialised (Note: If you here a different combination of

beeps in place of the last short single beep then you can find the meaning of these

beeps towards the back of this manual. Once initialised, you can begin programming.

Power up initialisation sequence

9 2 short beeps

9 Approx. 15 seconds delay

9 1 short beep and the 4810 name plate illuminates (Note: button module name plates will already be illuminated)

9 Approx. 15 seconds delay

9 One short beep

9 System is ready

RESET TO FACTORY DEFAULTS

There are two reset modes available. The first will reset the master code only and the

second will reset everything and clear all stored call button telephone numbers.

RESET THE MASTER CODE TO 1111

1. Power down the intercom panel

2. Put a short across C1 & PTE

3. Power up, 2 beeps will be heard followed by a delay and then a further beep.

4. Remove the short after the 3rd beep.

5. The master code is now reset to 1111

FULL RESET

1. Power down the intercom panel

2. Put a short across C2 & PTE

3. Power up, 2 beeps will be heard followed by a delay and then a further 3 beeps.

4. Remove the short after the 5th beep.

5. All settings are returned to factory defaults

PAGE 18 of 36 GSM DOOR INTERCOM TECHNICAL MANUAL VER1.2.1

PROGRAMMING

Programming can be carried out either by text message or by dialling into the intercom

panel (Certain programming features can only be setup by text message).

IMPORTANT NOTE: When you are required to use “ in a text message it is very important to use the

correct symbol and not for example ‘ (Or two ‘ single apostrophes side by side which you will see

look the same but will be interoperated differently by the SMS intercom panel).

PROGRAMMING BY TEXT MESSAGE

Programming by text message is the simplest way to customise the settings of the

intercom panel and add or delete telephone numbers. Simply send texts in the format

below to the telephone number of the SIM within the intercom panel:-

<4 DIGIT CODE><3 DIGIT FUNCTION CODE><OPTIONAL DATA><OPTIONAL ?>

4 DIGIT CODE: The code prevents unauthorised access to the programmable

features of the system. The code must be four digits long but

can be any combination using digits 0 – 9. The default code is

1111 and will be used for all examples in this manual.

3 DIGIT FUNCTION CODE: The 3 digit function code identifies the programmable feature

to be changed. The code must be in capital letters. The table

below lists the available codes.

DESCRIPTION CODE EXAMPLE SETTINGS DEFAULT PAGE

Store a telephone no. STN 1111STNnnn”01912243174” nnn = 001-250 N/A 19-20

Set call time SPT 1111SPTnn nn = 01 - 12 02 (40s) 20

Set relay time RLT 1111RLTnn nn = 00 - 99 05 (5s) 21

Set auxiliary out time AOT 1111AOTnn nn = 00 - 99 05 (5s) 21

Set auxiliary out mode AOM 1111AOMnn nn = 00 or 01 01 21-22

Keep connection facility NOD 1111NODnn nn = 01 - 99 30 (30days) 22

Divert to second no. time DIT 1111DITnn nn = 01 - 99 15 (15s) 22

Enable/disable divert DIV 1111DIVnm n = 0-9 m = 0-1 m = 0 22-23

Check GSM signal strength SIG 1111SIG? N/A N/A 28-29

Check software version VER 1111VER? N/A N/A 28

Dial a number DLE 1111DLE”123” N/A N/A 23

Store SMS message for C2-AI SMS 1111SMS”HouseAlarm” N/A AUX TRIG 23

Change 4 digit code CDE 1111CDE1234 Any 4 digits 1111 22

Initiate a special command PRG 1111PRG(command) AT commands N/A 24

Trigger the relay RLY 1111RLY N/A N/A 28

Trigger the auxiliary output AUX 1111AUX N/A N/A 28

Store balance check dial string SDL 1111SDL”*#1345#” N/A N/A 24

Check credit balance BAL 1111BAL? N/A N/A 28-29

Latch the relay RLA 1111RLA N/A N/A 28

Unlatch the relay RUL 1111RUL N/A N/A 28

Latch the auxiliary output ALA 1111ALA N/A N/A 28

Unlatch the auxiliary output AUL 1111AUL N/A N/A 28

OPTIONAL DATA: The optional data will vary depending on the command used.

It may be a telephone number, a time setting or may not be

used at all. For more information see the command settings

below.

PAGE 19 of 36 GSM DOOR INTERCOM TECHNICAL MANUAL VER1.2.1

OPTIONAL ?: Most of the commands support the ? feature. When this is

added to the end of the text message, a confirmation text

message will be sent back to the sender indicating the new

data has been received and stored.

When sending text messages there may be a delay from when you send the message to

when it is received by the intercom panel depending on how congested the network is. If

you are at the door panel when sending the message you will here a single beep from the

intercom panel to indicate it has receive the message.

STORING A CALL BUTTON TELEPHONE NUMBER

Telephone numbers can be stored for the ten available call buttons. Each call button can

call up to two telephone numbers (If the first is busy or not answered in a certain time it

can call the second number if the divert facility is setup). The messages to store/check

numbers are as follows (See important note on page 18):-

1111STNnnn”yyyyyyyyyyy” Store the telephone number yyyyyyyyyyy in position nnn

1111STNnnn”yyyyyyyyyyy”? Store the telephone number yyyyyyyyyyy in position nnn

and send a confirmation text message to confirm

storage of new number.

1111STNnnn? Query the telephone number stored in location nnn. A

text message will be sent to the sender with the stored

number for that location.

1111STNnnn”” Delete the telephone number stored in location nnn.

1111STNnnn””? Delete the telephone number stored in location nnn. A

text message will be sent to the sender with the delete

confirmation for that location.

nnn can be found using the following table. The telephone number y can be a maximum of

19 digits.

Call Button Memory location (nnn) of

first number called

Memory location (nnn) of

divert to number to call

Button 1 (C1 & a) 001 011

Button 2 (C1 & b) 002 012

Button 3 (C1 & c) 003 013

Button 4 (C1 & d) 004 014

Button 5 (C1 & e) 005 015

Button 6 (C2 & a) 006 016

Button 7 (C2 & b) 007 017

Button 8 (C2 & c) 008 018

Button 9 (C2 & d) 009 019

Button 10 (C2 & e) 010 020

Use the chart on page 26 to record the telephone numbers stored.

PAGE 20 of 36 GSM DOOR INTERCOM TECHNICAL MANUAL VER1.2.1

STORING A TELEPHONE NUMBER FOR DIAL IN DOOR RELEASE

Dial in door release allows users of telephones with their number stored to release the

door/gate simply by dialling the telephone number of the SIM in the intercom panel. The

intercom panel will check the callers ID when it receives a call and if it matches the list of

stored numbers, it will clear the call down (Avoiding the caller being charged for the call)

and will activate the relay for the programmed time. The number of numbers thatcan be

stored depends on the SIM card’s available memory. SIM cards are normally able to store

100 – 250 numbers. The messages to check, store or delete numbers are as follows (See

important note on page 18):-

1111STNnnn”yyyyyyyyyyy” Store the telephone number yyyyyyyyyyy in position nnn

where nnn = 100 - 250

1111STNnnn”yyyyyyyyyyy”? Store the telephone number yyyyyyyyyyy in position nnn

where nnn =100 - 250and send a confirmation text

message to confirm storage of new number.

1111STNnnn? Query the telephone number stored in location nnn

where nnn = 100 - 250. A text message will be sent to

the sender with the stored number for that location.

1111STNnnn# Delete the telephone number stored in location nnn

where nnn = 100 - 250.

1111STNnnn#? Delete and confirm deletion of a telephone number in

location nnn where nnn = 100 - 250.

Memory location nnn can be in the range of 100 – 250. (Important note: Some SIM cards

may use some of the memory locations for special features such as checking balance,

retrieving voice mails etc. If you are not planning to use all memory location we would

suggest storing from location 111 onwards. Use the chart on page 26-27 to record the

telephone numbers stored.

Note: It is important to switch off voicemail and automatic SMS features on the SIM

card when using this feature. See the ‘Forced Dial’ section for more details. Also

note that it will not be possible to use the dial in and program facility from a number

stored to release the door/gate when dialling in.

SET CALL TIME

The call time is the maximum time in seconds that a call can last before the intercom panel

automatically clears the call down. The time can be from 20 seconds up to 240 seconds (4

minutes) and begins from when the call button is pressed. The default time is 40 seconds.

The following messages are used to set/check the maximum call time.

1111SPTnn Store the time nn x 20 seconds (e.g. nn = 03, time = 60

seconds.

PAGE 21 of 36 GSM DOOR INTERCOM TECHNICAL MANUAL VER1.2.1

1111SPTnn? Store the time nn x 20 seconds (e.g. nn = 02, time = 40

seconds. Also send a confirmation text back to the

sender.

1111SPT? Query the current stored time. A text message will be

sent to the sender showing the stored time. (Remember

to multiple the number in the received text by 20

seconds)

SET RELAY TIME

The relay time can be from 01 – 99 seconds or latching (Set the relay time to 00 for

latched mode. In latch mode, the relay will stay energised until the command is send

again).

1111RLTnn Store the time nn = time in seconds.

1111RLTnn? Store the time nn = time in seconds. Also send a

confirmation text back to the sender.

1111RLT? Query the current stored time. A text message will be

sent to the sender showing the stored time.

SET AO (AUXILIARY OUTPUT) TIME (FOR AOM = 01 ONLY)

The AO time can be from 01 – 99 seconds or latching (Set the AO time to 00 for latched

mode).

1111AOTnn Store the time nn = time in seconds.

1111AOTnn? Store the time nn = time in seconds. Also send a

confirmation text back to the sender.

1111AOT? Query the current stored time. A text message will be

sent to the sender showing the stored time.

SET AO (AUXILIARY OUTPUT) MODE

There are two mode of operation for the AO terminal:-

User activated: nn = 01

To activate the AO terminal either short AI to C1 or press 6 on the telephone during a call.

Call activated: nn = 00

AO will activate when a call begins and deactivate when the call ends.

1111AOMnn Store the mode nn = 01 or 00.

1111AOMnn? Store the mode nn = 01 or 00. Also send a confirmation

text back to the sender.

PAGE 22 of 36 GSM DOOR INTERCOM TECHNICAL MANUAL VER1.2.1

1111AOM? Query the current stored mode. A text message will be

sent to the sender showing the stored mode.

CHANGING THE FOUR DIGIT CODE

The four digit code can be any combination of numbers 0-9 but must be 4 digits long. The

code allows access to the programming menu in dial in mode and must be used when

sending text messages to the intercom panel. The following message changes the code:-

1111CDEnnnn nnnn = new 4 digit code

SET DAYS TO WAIT BEFORE MAKING A CALL

In the event the intercom panel is not used for long periods of time it could be possible that

the network disconnects it. To prevent this from happening it is possible to program a time

period (From 01 – 99 days) to wait before the intercom panel makes a short call to refresh

the connection. This time period is reset after each call made on the system and will only

happen if the full time period elapses without any incoming or outgoing calls.

1111NODnn Store the time nn = time in days.

1111NODnn? Store the time nn = time in days. Also send a

confirmation text back to the sender.

1111NOD? Query the current stored time. A text message will be

sent to the sender showing the stored time.

DIVERT TIME

The divert time is the number of seconds to wait for a call to be answered before diverting

to the second number (The divert facility must be set for this to work). The default time is

15 seconds (The count down begins from when the call button is pressed, but is refreshed

when the telephone begins to ring) and can be set to 01 – 99 seconds).

1111DITnn Store the time nn = time in seconds.

1111DITnn? Store the time nn = time in seconds. Also send a

confirmation text back to the sender.

1111DIT? Query the current stored time. A text message will be

sent to the sender showing the stored time.

DIVERT SETUP

Divert can be set for any or all of the call buttons. When set, if a call is not answered within

the divert time, the call will be forwarded to the second number and the call time will be

refreshed. The following table shows the value of nm used in the programming messages.

Default is all diverts disabled (m=0).

PAGE 23 of 36 GSM DOOR INTERCOM TECHNICAL MANUAL VER1.2.1

CALL BUTTON SET DIVERT DISABLE DIVERT

Button 1 (C1 & a) 01 00

Button 2 (C1 & b) 11 10

Button 3 (C1 & c) 21 20

Button 4 (C1 & d) 31 30

Button 5 (C1 & e) 41 40

Button 6 (C2 & a) 51 50

Button 7 (C2 & b) 61 60

Button 8 (C2 & c) 71 70

Button 9 (C2 & d) 81 80

Button 10 (C2 & e) 91 90

n = Call Button number from 1 – 10 (0-9)

m = Divert set (1) or divert not set (0)

1111DIVnm Store the divert setting.

1111DIVnm? Store the divert setting. A text message will be sent to

the sender with the acknowledgment.

FORCED DIAL

A useful feature of the Intercom panel is its ability to call a number sent to it in a text

message. This feature can be used when setting up the SIM card. For example, disabling

the voicemail facility or disabling automatic SMS messages or missed calls. Any number

up to 15 digits can be called and the call will last for a maximum of 40 seconds. The

example below would switch off voicemail on a Vodafone SIM card. Substitute the

Vodafone number for other service providers (See important note on page 18).

1111DLE”1210“ Dial 1210 for the intercom panel

Other useful numbers which can be used with this feature are as follows. Please also

check the service provider’s web sits for other useful codes.

Vodafone O2

Disable voicemail 1210 1760

Disable text alerts #148# 1760

NOTE: Disabling voicemail and text alerts is very important as there is no way to retrieve

either of these services from an intercom panel. Disabling these features will also prevent

the intercom panel switching to voicemail or sending a text when dialling in from another

phone.

STORE SMS AUXILIARY MESSAGE

When C2 & AI are shorted on the intercom panel, a text message will be sent to the

number stored in memory location 020. The text message can be customised using the

following message(See important note on page 18) :-

1111SMS”HouseAlarm” Change message to HouseAlarm

Note: The message can be a maximum of 20 characters long and can not include spaces or “.

The memory location used to store the telephone where the text will be send is also the same

memory location used for the divert telephone number for button 10 (i.e. 020).

PAGE 24 of 36 GSM DOOR INTERCOM TECHNICAL MANUAL VER1.2.1

PROGRAM BY ‘AT’ COMMANDS

This is an advanced feature of the system which can allow an AT format command to be

sent to the OEM GSM module.

1111PRG(command) Send an AT command to the OEM module

STORE CREDIT BALANCE CHECK STRING

Several network providers offer the facility to check available balance on their pay as you

go tariffs. For example, on Vodafone the string is *#1345# and on O2 the string is *#10#.

Other networks may also have this feature. Because the intercom will not know the details

of the network provider’s SIM card which you have inserted it will be necessary to store the

correct string in order to use the credit balance check features.

1111SDL”*#1345#” Store the balance check string for a Vodafone pay as you go.

1111SDL”*#10#” Store the balance check string for an O2 pay as you go.

PAGE 25 of 36 GSM DOOR INTERCOM TECHNICAL MANUAL VER1.2.1

PROGRAMMING BY DIAL IN

Note: programming dial in cannot be used from telephones which are already

programmed to open the door when they dial the intercom panel.

When dialling into the GSM intercom from a telephone number which is already

stored as one of the call button telephone numbers it will be necessary be press

¶¶ to switch from call mode to programming mode.

To gain access to the programming menu via dial in, follows these steps:-

1. Call the telephone number of the intercom panel.

2. Wait for the intercom panel to answer and signal by two beeps (If the number you

are dialling from is already programmed as a call button number then you will need

to press ¶¶ before proceeding to the next step).

3. Enter the four digit code listening for a confirmation beep after each digit.

4. If the code is correct, you will here two beeps to indicate programming mode. If the

code is incorrect the call will end and the line will go dead.

Once in programming mode, the following options are available. Remember to listen for a

beep after each digit entered. This indicates that it has been received and understood by

the intercom panel. The intercom panel will stay in programming mode until the call ends

or a timeout occurs. The timeout will occur after 30 seconds if no buttons are pressed. This

is reset to 30 seconds each time a button is pressed.

Note: At any point press the # key to clear and begin a programming sequence again. # is

also used to confirm and store a new value. After pressing #, two beeps will be heard from

the telephone to indicate successful completion of a command, four beeps will indicate an

error in the command.

The following table outlines the available programming codes. These are explained in detail on the following pages.

DESCRIPTION CODE EXAMPLE SETTINGS DEFAULT PAGE

Store a telephone no. 01-10 nn01912243174# nn = 01-10 N/A 26

Storing a divert telephone no. 11-29 nn01912243174# nn = 11-20 N/A 26

Set call duration time 50 50nn# nn = 01-12 02 26

Set relay time 51 51nn# nn = 00 - 99 05 (5s) 26

Set auxiliary out time 52 52nn# nn = 00 - 99 05 (5s) 26

Keep connection facility 55 55nn# nn = 01 - 99 10 (10days) 27

Divert to second no. time 56 56nn# nn = 01 - 99 15 (15s) 27

Set auxiliary out mode 57 57nn# nn = 01 or 00 01 27

Enable/disable divert 58 58nm# n = 0-9 m = 0-1 m = 0 27

Change 4 digit code 59 59nnnn# nnnn= 4 digits 1111 26

NOTE: While in dial in mode it is also possible to start a call with the intercom panel

which will open the speech and also allow the user functions such as

triggering the relay to work. After dialling in, enter the 4 digit code and the

press  to start the call.

PAGE 26 of 36 GSM DOOR INTERCOM TECHNICAL MANUAL VER1.2.1

STORING A CALL BUTTON TELEPHONE NUMBER

Telephone numbers can be stored for the ten available call buttons. Each call button can

call up to two telephone numbers (If the first is busy or not answered in a certain time it

can call the second number if the divert facility is setup). The following programming

sequence stores telephone numbers.

nnyyyyyyyyyyy# Store the telephone number yyyyyyyyyyy in position nn

nn# Delete the telephone number yyyyyyyyyyy in position nn

nn can be found using the table. The telephone number y can be a maximum of 19 digits.

Call Button Memory location (nn) of first

number called

Memory location (nn) of divert

to number to call

Button 1 (C1 & a) 01 11

Button 2 (C1 & b) 02 12

Button 3 (C1 & c) 03 13

Button 4 (C1 & d) 04 14

Button 5 (C1 & e) 05 15

Button 6 (C2 & a) 06 16

Button 7 (C2 & b) 07 17

Button 8 (C2 & c) 08 18

Button 9 (C2 & d) 09 19

Button 10 (C2 & e) 10 20

Use the chart on page 26 to record the telephone numbers stored.

SET CALL TIME

The call time is the maximum time in seconds that a call can last before the intercom panel

automatically clears the call down. The time can be from 20 seconds up to 240 seconds (4

minutes) and begins from when the telephone rings. The default time is 40 seconds. The

following programming sequence stores a new call time.

50nn# Store the time nn x 20 seconds (e.g. nn = 3, time = 60 seconds.)

SET RELAY TIME

The relay time can be from 01 – 99 seconds or latching (Set the relay time to 00 for

latched mode).

51nn# Store the time nn = time in seconds.

SET AO (AUXILIARY OUTPUT) TIME

The AO time can be from 01 – 99 seconds or latching (Set the AO time to 00 for latched

mode).

52nn# Store the time nn = time in seconds.

CHANGING THE FOUR DIGIT CODE

The four digit code can be any combination of numbers 0-9 but must be 4 digits long. The

code allows access to the programming menu in dial in mode and must be used when

sending text messages to the intercom panel. The following message changes the code:-

59nnnn# nnnn = new 4 digit code

PAGE 27 of 36 GSM DOOR INTERCOM TECHNICAL MANUAL VER1.2.1

SET DAYS TO WAIT BEFORE MAKING A CALL

In the event the intercom panel is not used for long periods of time it could be possible that

the network disconnects it. To prevent this from happening it is possible to program a time

period (From 01 – 99 days) to wait before the intercom panel makes a short call to refresh

the connection. This time period is reset after each call made on the system and will only

happen if the full time period elapses without any incoming or outgoing calls.

55nn# Store the time nn = time in days.

DIVERT TIME

The divert time is the number of seconds to wait for a call to be answered before diverting

to the second number (The divert facility must be set for this to work). The default time is

15 seconds (The count down begins from when the call button is pressed) and can be set

to 01 – 99 seconds).

56nn# Store the time nn = time in seconds.

DIVERT SETUP

Divert can be set for any or all of the call buttons. When set, if the call is not answered

within the divert time, the call will be diverted to the second number. The following table

shows the value of nn used in the programming messages. Default is, all diverts disabled.

CALL BUTTON SET DIVERT DISABLE DIVERT

Button 1 (C1 & a) 01 00

Button 2 (C1 & b) 11 10

Button 3 (C1 & c) 21 20

Button 4 (C1 & d) 31 30

Button 5 (C1 & e) 41 40

Button 6 (C2 & a) 51 50

Button 7 (C2 & b) 61 60

Button 8 (C2 & c) 71 70

Button 9 (C2 & d) 81 80

Button 10 (C2 & e) 91 90

58nn# Store the divert setting.

AUXILIARY OUT MODE

There are two mode of operation for the AO terminal:-

User activated: nn = 01

To activate the AO terminal either short AI to C1 or press 6 on the telephone during a call.

Call activated: nn = 00

AO will activate when a call begins and deactivate when the call ends.

57nn# Store the mode nn = 01 or 00.

PAGE 28 of 36 GSM DOOR INTERCOM TECHNICAL MANUAL VER1.2.1

SYSTEM OPERATION

TO MAKE A CALL FROM THE INTERCOM PANEL

Press the required call button. Two beeps will be heard to indicate the call has been placed. If a

mistake is made, press any other button to clear the call (A long beep followed by a short beep will

be heard to confirm the call has been cleared. (Note: If the same button is pressed after five

seconds of placing the call this will also clear the call down. Pressing the same button before five

seconds will do nothing).

DOOR/GATE RELEASE

This is signalled by 1 second interval beeps from the intercom panel. Pressing 3 releases the

door/gate for the programmed time. Pressing 1 followed by 0 will latch the door/gate in the open

position (Note: To unlatch press 3, the door/gate will unlatch after the programmed time.

RELEASING THE GATE/DOOR BY DIALLING THE INTERCOM PANEL NUMBER

This feature is only possible if the caller’s number has been stored correctly for this feature. Simply

dial the number of the intercom panel. The intercom panel will drop the call and then open the

gate/door for the programmed time.

USER COMMANDS

The following commands can be carried out during a call: (Note: Successful commands are signalled by two

beeps from the telephone, errors are signalled by four beeps).

FUNCTION 1st KEY TO PRESS 2nd KEY TO PRESS

LATCH RELAY (UNLATCH BY PRESSING 3) 1 0

RELEASE THE DOOR OR GATE 3 N/A

ACTIVATE THE AUXILIARY OUTPUT 6 N/A

END A CALL 8 N/A

ADJUST DOOR SPEECH VOLUME 4 0-9 (0=Lowest, 9 = Highest)

ADJUST PHONE SPEECH VOLUME 7 0-9 (0-Lowest, 9 = Highest)

ENTER PROGRAMMING MODE DURING A CALL ¶ ¶

The following text messages can be sent while in standby (Examples show code as 1111):

FUNCTION MESSAGE TO SEND

CHECK THE SIGNAL STRENGTH 1111SIG?

CHECK THE AVAILABLE BALANCE* 1111BAL?

CHECK THE SOFTWARE VERSION 1111VER?

RELEASE THE DOOR/GATE 1111RLY? (? Optional, send if a confirmation is required)

ACTIVATE THE AUXILIARY OUTPUT 1111AUX? (? Optional, send if a confirmation is required)

LATCH THE RELAY 1111RLA? (? Optional, send if a confirmation is required)

UNLATCH THE RELAY 1111RUL? (? Optional, send if a confirmation is required)

LATCH THE AUXILIARY OUTPUT 1111ALA? (? Optional, send if a confirmation is required)

UNLATCH THE AUXILIARY OUTPUT 1111AUL? (? Optional, send if a confirmation is required)

PAGE 29 of 36 GSM DOOR INTERCOM TECHNICAL MANUAL VER1.2.1

CHECKING THE BALANCE

*Note: The balance can only be checked if the correct balance check string has previously been

stored using the SDL code explained earlier in the manual.

The intercom also has the facility to monitor the available credit and then text you to inform you

when it has fell below £5.00, €5.00 or $5.00. It will then remind you with another text after every 5

calls until the credit is either increased or it runs out. To use this feature, the following settings

must first be made:-

o You must be using a Pay AS You GO SIM card from a provider that offers this service (Vodafone, O2)

o The correct balance check string must be stored using the SDL code.

o A mobile phone number in which to receive the balance low text must be stored in location 020 using the

STN code.

UNDERSTANDING THE SIGNAL STRENGTH

When a request for signal strength message is sent to the intercom panel it will reply with a two

digit signal strength code. The code will be between 0 – 31 or 99. Ideally the signal strength should

be as close to 31 as possible. The lower the number, the weaker the signal. Signal strengths lower

than 10 may cause operational problems such as loss of speech quality (and possibly missing

DTMF tones) and network loss. A signal strength of 99 indicates it could not be detected.

DIALLING INTO THE INTERCOM FROM ANOTHER TELEPHONE

There are three possible outcomes to dialling into the GSM intercom depending on the

telephone number you are dialling in from and the features setup during programming. The

three possible outcomes are shown in the table below and are shown in order of priority

(For example, if the number is programmed to automatically activate the relay, this will

take priority over the following two options and if the telephone number is stored as a

telephone number called from one of the push buttons, this will take priority over the last

option.

FUNCTION REQUIREMENT PRIORITY

Dial in to open the door.

After dialling the number, the relay will

activate and the call will be dropped.

The telephone number of the telephone

dialling in must be stored in memory location

100 - 250

1st

Dial in to activate a call (Live speech,

activate relay/AUXO)

After dialling the number, the call will

be answered and two beeps will be

heard. The speech will then be live.

The telephone number of the telephone

dialling in must be stored in memory location

001 - 020

2nd

Dial in to enter programming mode.

After dialling the number, the call will

be answered and two beeps will be

heard. You will then be required to

enter the four digit code to gain access

to the programming menu.

If neither of the two requirements above are

met.

3rd

PAGE 30 of 36 GSM DOOR INTERCOM TECHNICAL MANUAL VER1.2.1

RECORD SHEET

INTERCOM PANEL TELEPHONE No.

IMEI NUMBER

MASTER CODE

BUTTON MEM. LOCATION USER NAME TELEPHONE No.

Button 1 001

Button 1 (Divert) 011

Button 2 002

Button 2 (Divert) 012

Button 3 003

Button 3 (Divert) 013

Button 4 004

Button 4 (Divert) 014

Button 5 005

Button 5 (Divert) 015

Button 6 006

Button 6 (Divert) 016

Button 7 007

Button 7 (Divert) 017

Button 8 008

Button 8 (Divert) 018

Button 9 009

Button 9 (Divert) 019

Button 10 010

Button 10 (Divert) 020

DIAL IN ACCESS CONTROL MEMORY RECORD SHEET

Mem. User Name Telephone No. Mem. User Name Telephone No.

100 176

101 177

102 178

103 179

104 180

105 181

106 182

107 183

108 184

109 185

110 186

111 187

112 188

113 189

114 190

115 191

116 192

117 193

118 194

119 195

120 196

121 197

122 198

123 199

ONLY USE THESE 10

MEMORY LOCATIONS

AS A LAST RESORT.

PREFERABLY, START

AT MEMORY

LOCATION 11

PAGE 31 of 36 GSM DOOR INTERCOM TECHNICAL MANUAL VER1.2.1

124 200

125 201

126 202

127 203

128 204

129 205

130 206

131 207

132 208

133 209

134 210

135 211

136 212

137 213

138 214

139 215

140 216

141 217

142 218

143 219

144 220

145 221

146 222

147 223

148 224

149 225

150 226

151 227

152 228

153 229

154 230

155 231

156 232

157 233

158 234

159 235

160 236

161 237

162 238

163 239

164 240

165 241

166 242

167 243

168 244

169 245

170 246

171 247

172 248

173 249

174 250

175

PAGE 32 of 36 GSM DOOR INTERCOM TECHNICAL MANUAL VER1.2.1

UNDERSTANDING THE BEEPS

Functions and errors are indicated by beeps from the intercom panel. The following will help you

understand the different beeps heard and what, if anything needs to be done in response to the

beeps.

BEEP REASON SOLUTION

Short beeps at 1 second intervals Relay or auxiliary output activated. None, this is normal

Single short beep while the

system is in standby and not

being used.

A valid text message has been

received and processed

None, this is normal

Two short beeps followed by a

long beep

Button pressed but no number

stored

Program a telephone number for

the button pressed.

Long beep followed by short beep

while the system is in standby.

Invalid text message received. If this has happened when

sending one of the programming

text messages then check the

message for errors. These beeps

will also be heard if the 4 digit

code in the text message is

incorrect. If you are unsure of the

4 digit code, try resetting it to

1111.

Long beep followed by short beep

while the system is in use.

Manually ending a call by pressing

a call button

None, this confirms the call has

been cancelled. Another call can

be placed if required.

Four long beeps Not registered with a network

provider but still trying

Leave it a short while to see if it

manages to find the network. If the

beeps repeat every 30 seconds

then try moving the antenna to a

better location or changing the

SIM to another network provider.

Six long beeps Unknown registering problem Try moving the antenna to a better

location. Try changing the SIM

card to another network provider.

Eight long beeps Registered but roaming for a

better network

This could happen if it registers to

another network instead of its

primary one. This may result in

higher call charges. Try another

SIM provider for that area.

Single short beep every 10

seconds after power up

Unable to see the SIM card Check the SIM card is fitted

correctly. Try removing the SIm

card, cleaning and fitting again.

Try a different SIM card.

PAGE 33 of 36 GSM DOOR INTERCOM TECHNICAL MANUAL VER1.2.1

TROUBLE SHOOTING

SYMPTOM TEST

Interference on the speech Check the signal strength ‘1111SIG?’. If the signal strength

is to low the GSM module which increase it’s power to

compensate causing interference with the speech circuits.

Try relocating the antenna or using a more powerful or

directional antenna.

Ensure the antenna cables are not running close to the

power supply cables or the microphone wires inside the

intercom panel

Try a different SIM card from a different service provider as

they may have better coverage in that area.

The intercom panel repeatedly beeps twice

and the name plate back light of the module

(Not additional button modules) does not

Check the power supply is of adequate voltage as show

earlier in this manual and that the jumper JP1 is in the

correct position.

illuminate. Try a full reset as shown earlier in the manual (Powering

up with C2 & PTE shorted).

Try a different SIM card.

Intercom module may have a fault.

A long beep is heard when I press a button. No telephone number setup for that button. Check the

programming.

Check the SIM card is fitted correctly.

The intercom panel does not respond to

SMS messages

Check the SIM card has a SMS service centre number

stored. This will require putting the SIM card into a mobile

phone to check. Contact the SIM card provider if you are

not sure.

Check the number you are sending the message to is

correct (The number of the SIM card in the intercom panel

After sending a SM to the intercom panel. Listen for a

single short beep from the Intercom panel. This will

indicate that the message was received and understood. If

a long beep is heard it indicates the message was either

not understood or the 4 digit code was incorrect.

Try resetting the 4 digit code to 1111 as shown earlier in

this manual (Powering up with C1 & PTE shorted).

The call keeps dropping out Increase the call time in programming.

Check the signal strength and if necessary, move or

change the antenna or try a different SIM card provider.

Speech echoes and feeds back Try lowering the speaker volume using jumpers JP2 & JP3

Try adjusting the volume using the programmable settings

during a call

Check the microphone is fitted correctly in the intercom

panel and that the mic hole is not blocked in any way.

ERROR message returned in SMS when

programming or no SMS returned at all

even though a ? was included at the end of

the message sent.

Check over the message sent again and compare it with

the examples in the manual.

Common errors include:-

1. Using two apostrophe marks side by side instead of “.

Note that these look the same in the message. An easy

way to see if this is the problem is to move the cursor

along in the message and if the cursor can get between

the two “ then it is not the connect character used.

2. Lower case letters instead of upper case. For example

using stn when STN should be used.

PAGE 34 of 36 GSM DOOR INTERCOM TECHNICAL MANUAL VER1.2.1

Enfora certifies that the Enfora Enabler IIG TM MHz GSM Radio Module

FCC ID: MIVMLG0208) complies with the RF hazard requirements

applicable to broadband PCS equipment operating under the authority

of 47 CFR Part 22 or Part 24, Subpart E of the FCC Rules and

Regulations.

This certificate is contingent upon installation, operation and use of the

Enabler IIG module and its host product in accordance with all

instructions provided to both EOM and end used. When installed and

operated in a manner consistent with the instructions provided, the

Enfora Enabler IIG module meets maximum permissible exposure (MPE)

limits for general population/uncontrolled exposure at defined in

section 1.1310 of the FCC Rules and Regulations.

WARNING

To comply with FCC RF exposure requirements, a separation distance

of 20cm (7.87”) or more must be maintained between the antenna of this

product and all persons

Separate FCC approval for this product is not required as it will be

classed as a fixed installation.

THIS PRODUCT IS NOT DESIGNED TO BE USED AS AN EMERGENCY

CALL POINT

The product is CE marked demonstrating its conformity and is for distribution

within all member states of the EU with no restrictions.

This product follows the provisions of the European Directives

89/336/EEC & 92/31/EEC (EMC),

73/23/EEC (LVD) and 93/68/EEC (CE marking).

PAGE 35 of 36 GSM DOOR INTERCOM TECHNICAL MANUAL VER1.2.1

Date Software Version Revision

30/09/2008 GSM0.3.3 Added facility to latch the relay by pressing 1 during a

call.

05/11/2008 GSM0.3.4 Added facility to check credit balance on selected

Pay as You Go SIM cards.

Improved echo cancellation during a call.

Inserted divert time refresh after dialling finishes and

ringing begins.

Changed latch activation facility from pressing 1 to

pressing 10 to activate.

Added additional refresh to SMS facility after each

call.

25/11/2008 GSM0.3.5 Added additional software resets.

06/01/2009 GSM0.3.6 Re-enabled latching relay facility when relay time is

00 (Previously disabled in version 0.3.4 when new

latching facility was added using keys 10 to latch)

09/02/2009 GSM0.3.7 Added facility for telephone numbers which are

stored in memory locations 001 – 020 (Call button

locations) to automatically open speech (Call mode)

when dialling into the GSM intercom (As oppose to

going into programming mode and requesting the

master code). Dial in to release the door still takes

priority.

The following SMS codes have been added:-

RLA - Latch the relay (e.g. 1111RLA?)

RUL - Unlatch the relay (e.g. 1111RUL?)

ALA - Latch the AUXO (e.g. 1111ALA?)

AUL - Unlatch the AUXO (e.g. 1111AUL?)

Added facility to switch into programming during a

call by pressing ¶¶

05/05/2009 GSM0.3.8 Added facility to control the mode of operation for the

auxiliary out terminal (Either user activated or call

activated).

PAGE 36 of 36 GSM DOOR INTERCOM TECHNICAL MANUAL VER1.2.1

Northern Office

Videx Security Ltd

Unit 4-7 Chillingham Ind. Est.

Newcastle Upon Tyne

NE6 2XX

TEL 0870 300 1240

FAX 0191 224 5678

Southern Office

1 Osprey

Trinity Park

Trinity Way

London

E4 8TD

FAX 0208 523 5825

TECHNICAL SUPPORT

tech@videx-security.com

TEL 0191 224 3174

FAX 0191 224 4938

http://www.videx-security.com

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