
Limited Liability
The buyer must agree that the system will redu-
ce the risk of re, theft, burglary or other dangers
but does not guarantee against such events. “EL-
DES UAB” will not take any responsibility regarding
personal, property or revenue loss while using the
system. “ELDES UAB” responsibility according to
local laws does not exceed value of the purchased
system. “ELDES UAB” is not aliated with GSM ope-
rators providing cellular services, therefore is not
responsible for network services, coverage or its
operation.
Manufacturer Warranty
The system carries a 24-month warranty by the
manufacturer “ELDES UAB”.
Warranty period starts from the day the system
has been purchased by the end user. The warranty
is valid only if the system has been used as inten-
ded, following all guidelines listed in the manual
and within specied operating conditions. Receipt
with purchase date must be kept as a proof.
The warranty is voided if the system has been
exposed to mechanical impacts, chemicals, high
humidity, uids, corrosive and hazardous environ-
ment or other force majeure factors.
Package Content
1. System ET08 / ET081...........................................1 pcs
2. ET08 / ET081 user manual ................................1 pcs
3. GSM antenna.........................................................1 pcs
4. Jumpers..................................................................4 pcs.
5. Fastening holders ...............................................4 pcs.
About User Manual
This document describes communicator ET08 /
ET081, its operation and installation. It is very im-
portant to read User Manual before start using the
system.
CONTENTS
1. General Information..................................................................... 4
1.1 Operation Description ...............................................................................4
2. Technical Specications .............................................................. 5
2.1 Electrical & Mechanical Specications .................................................5
2.2 Main Unit, Connector, Pin & LED Functionality.................................5
2.2.1 Main Unit Functionality..........................................................................6
2.2.2 Connector Functionality........................................................................6
2.2.3 Pin Functionality.......................................................................................6
2.2.4 LED Functionality .....................................................................................6
2.3 Connection Circuit ......................................................................................7
3. Installation.................................................................................... 8
4. Communication Modes................................................................ 9
4.1 Communication Mode 1. Data Transmission from Alarm
System to Monitoring Station via GSM Audio Channel ............9
4.2 Communication Mode 2. Data Transmission from Alarm
System to Preset User (-s) by SMS. ................................................... 10
4.3 Communication Mode 3. Data Transmission
from Alarm System to Monitoring Station via GSM
Audio Channel and SMS Messages to Preset User (-s)............. 11
4.4 Communication Mode 4. Data Transmission from
Alarm System to Monitoring Station via GPRS Network.........12
4.5 Communication Mode 5. Data Transmission
from Alarm System to Monitoring Station via PSTN
using GSM Audio Channel as Backup Connection .................... 13
4.6 Communication Mode 6. Data Transmission
from Alarm System to Monitoring Station via PSTN
using SMS Messages as Backup Connection ...............................14
4.7 Communication Mode 7. Data Transmission
from Alarm System to Monitoring Station via PSTN
using GSM Audio Channel as Backup Connection
and SMS Messages to Preset User (-s).............................................15
4.8 Communication Mode 8. Data Transmission
from Alarm System to Monitoring Station via PSTN
using GPRS Network as Backup Connection................................ 16
4.9 Communication Mode 9. Data Transmission from Alarm
System to Monitoring Station via PSTN through PBX
using GSM Audio Channel as Backup Connection .................... 17
4.10 Communication Mode 10. Data Transmission from Alarm
System to Monitoring Station via PSTN through PBX
using SMS Messages as Backup Connection ...............................18
4.11 Communication Mode 11. Data Transmission
from Alarm System to Monitoring Station via PSTN
through PBX using GSM Audio Channel as a Backup
Connection and SMS Messages to Preset User (-s)....................19
4.12 Communication Mode 12. Data Transmission from
Alarm System to Monitoring Station via PSTN through
PBX using GPRS Network as Backup Connection....................... 20
5. SMS Commands* ........................................................................22
6. Appendix ..................................................................................24
6.1 Restoring Default Parameters ............................................................ 24
6.2 Upgrading Firmware................................................................................24
6.3 ELDES Conguration Tool Software...................................................24
6.4 Technical Support.....................................................................................25