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LTE Cat 1 RS232 Serial GatewaySL500-LTE1 (EU) SirettaLINK Series

The SL500-LTE1 (EU) modem is a low power LTE Cat 1 modem that is used to create a data connection over the LTE cellular network to link a remote application with a server. It provides an intelligent serial gateway with set-up and management through Siretta’s cloud based management portal, SirettaLINK (www.siretta-link.com)

The SL500 solution moves away from the traditional approach of setup and management using AT commands which require a high skill level to implement correctly. Instead, setup and management are all achieved using the modern cloud-based SirettaLINK management portal which makes deployment and remote management a simple task.

The SL500 modems are ready for use with the SirettaLINK management portal, making savings in development and time to market. The SirettaLINK solution means deployment and remote management is simple and gets over the need to spend time developing applications with AT commands on your host platform.

The SL500-LTE1 (EU) modem uses an embedded STM32F405 ARM® Cortex® M4 core processor to implement advanced functionality. This runs an application that connects the SL500-LTE1 (EU) modem to the SirettaLINK Management Portal using an encrypted link, where it downloads the configuration profile for connecting to the customers specified resource and posts operational data.

SL500 Application

  • Auto configures device parameters for connected network
  • Uses advanced techniques to maintain the network connection
  • Manages network connectivity to ensure continuous reliable operation
  • Profile settings automatically received from the SirettaLINK Management Portal
  • Periodically pushes operational data of the SL500 system to the SirettaLINK Portal

Management Portal 

  • Manage your entire estate of devices in one central location
  • Perform large scale software updates automatically
  • Provides real time status reporting and data usage information
  • Ability to export detailed information in XLS reports

Example Applications

  • Car Parking Payment
  • Retail Kiosks
  • Security / Fire Alarm Systems
  • Gaming Machines
  • Healthcare
  • Elevator Systems
  • Payment Systems
  • Energy / Water Utilities
  • Fridge / Freezer Monitoring
  • Temperature Audit Trail

2G
GSM
3G
UMTS
4G
LTE
5~42V
Industrial
APN
Updates
AUTO
Setup
CODE
Embedded
Cloud
Manage
DATA
Encryption
EMEA
Europe
FOTA
Updates
GPRS
Enabled
IP
Services
LTE
Cat 1
RS232
Serial
SIM
Detect
Sleep
Mode
TCP
Client
TCP
Gateway
TCP
Server
TEMP
-40 to +85 C
USER
Profiles
WIN
Linux/MAC


RoHS
Compliant
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Modes of operation
The SirettaLINK solution supports three different modes of operation shown below. Once the connection has been initiated and communication is established between the server and the device, the communication channel is bi-directional and either side of the connection can send data to the other.
Client Connect Mode
The SirettaLINK device initiates the connection to the client server when data is available to send on the RS232 serial port. Once connected, the SirettaLINK device can send data to the client server and the client server can send data to the SirettaLINK device. After the specified RX timeout, the SirettaLINK device will disconnect from the client server and will wait until more data is available.
Client Maintain Mode
The SirettaLINK device initiates the connection to the client server at power up and maintains a persistent connection with the client server which is available permanently. Once connected, the SirettaLINK device can send data to the client server and the client server can send data to the SirettaLINK device. The SirettaLINK device will not disconnect from the client server and will remain connected permanently.
Server Listen Mode
The SirettaLINK device listens for an incoming data connection from the defined client server. Once the client server has established a data connection to the SirettaLINK device it can send or receive data from the client server. After the specified RX timeout, the SirettaLINK device will disconnect from the client server and will start listening again for a new incoming data connection.

Designed to operate permanently in an ‘ON line’ state, with the option of ‘Sleep Mode’ the SirettaLINK SL500-LTE1 (EU) offers a lower power solution than other connected devices available on the market.

The SirettaLINK solution will use higher power in its standard operating state for sending and receiving data but can operate at massively reduced power in ‘Sleep Mode’ which can reduce the overall power consumption in some applications by up to 75%.

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GSM Network Coverage
B3 (1800MHz)
B8 (900MHz)

UMTS Network Coverage
B1 (2100MHz)
B3 (1800MHz)
B8 (900MHz)

LTE Cat 1 Network Coverage
B1 (2100MHz)
B3 (1800MHz)
B7 (2600MHz)
B8 (900MHz)
B20 (800MHz)
B28A (700MHz)

Mechanical Specifications
Dimensions: 93mm x 67mm x 28mm
Weight: 90 grams
Operating temperature range: -40 to +85°C
Relative humidity: <95% (non-condensing)

Physical Interfaces
1 x RS232 serial port interface (9-wire)
1 x RJ12 power connection (5 – 42V)
1 x SMA female cellular antenna connector
1 x standard mini SIM (2FF push-push)
3 x information LED status indicators (Red, Green, Blue)

Power and Consumption
Power: 5 V to 42 V
Idle: 41.2 mA @ 12 V
Online Connected: 49.5 mA @ 12 V
Sleep Mode: 2.2 mA @ 12 V
Certification
CE
RoHS

Datasheets

SirettaLINK Datasheet
SL500 Series Starter Kit Datasheet
SL500-LTE1 (EU) Datasheet

Quick Start Guides

SirettaLINK Start-up Guide

Hardware Manuals

SL500 Hardware Manual

Software Manuals

SirettaSPARK User Manual
SirettaLINK Management Portal User Manual

Software Downloads

Register to download the SirettaSPARK Tool

Accessories

SL500 Intelligent Modem DIN Rail Datasheet

Additional Documents

SirettaLINK/SL500 Applications Flyer
SirettaLINK Fact Sheet
SirettaLINK Applications Brochure
Siretta Device Safety and Product Care
SirettaLINK Flyer

Ordering Information

Siretta Part Number: 61158
Description: SL500-LTE1 (EU) Low Power LTE Cat 1 Serial Gateway

Request For Quote

Siretta Part Number: 61164
Description: SL500-LTE1 (EU) Low Power LTE Cat 1 Serial Gateway Starter Kit

Request For Quote
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