The total number of MP-1 expansion modules, with the exception of the TTA-08 device, must not exceed 10 units.

Data from the sensors is processed by the controller and transmitted via the Ethernet network to the client-server SNMP NMS monitoring system and/or mobile phone (voice message or SMS).

Sensors and detectors are part of the SNMP remote monitoring and control system consisting of TTA-08 controllers and EMS/NMS TTA Monitor. Sensors and detectors provide conversion of environmental parameters or various physical states into electrical signals. These signals are processed by the SNMP controller of the TTA-08 Ethernet network remote monitoring system.

The TTA-08-GSM device version supports the ability to remotely monitor the states of sensors and detectors in the GSM network.

Below are brief descriptions of sensors and detectors that we recommend for use with the TTA-08 device.

1-Wire temperature sensor based on DS18B20

The digital thermometer based on the DS18B20 in a protected housing (metal sleeve) is the most affordable sensor and provides temperature measurements in °C.

The DS18B20 digital temperature sensor communicates via a 1-Wire bus, requiring only one data line (and ground) to communicate with the CPU TTA-08. Additionally, the DS18B20 can be powered directly from the data line (parasitic power), eliminating the need for an external power supply.

Each thermometer DS18B20 has a unique 64-bit serial code, allowing multiple DS18B20s to operate on the same 1-Wire bus.

The sensor can be used to monitor ambient temperature, temperature monitoring systems inside buildings and equipment, monitoring and process control systems.

Technical Specifications

• Operating supply voltage: 3V – 5.5V DC
• Temperature measurement accuracy: ±0.5°C in the range from -10°C to +85°C
• Operating temperature range: -55 to 125°C
• Interface: 1-Wire
• Unique 64-bit ID for each sensor
• Several sensors can operate on the same bus
• Stainless steel protection sleeve: (Diameter 6mm, length 35mm)
• Cable: (Diameter 4mm, length 1m, 2m)
• Purpose of conductors: Red – VCC, Black – GND, Yellow – DATA

The sensor operates in temperatures up to 125°C, but is not recommended for use above 100°C as the cable has a PVC sheath which may not withstand extreme temperatures.

The temperature sensor is supplied with a two meter long cable for direct connection to the screw terminals of the TTA-08 controller.

Digital humidity and temperature sensor based on DHT22

The DHT22 (AM2302) Digital Output Relative Humidity Temperature Sensor outputs a calibrated digital signal. The sensor uses exclusive digital signal acquisition technology and humidity detection technology to ensure reliability and stability. Each sensor of this model has temperature compensation and a calibration coefficient stored in memory.

Small size, low power consumption and long transmission distance (20m) allow the DHT22 to be used in any harsh application environment.

The DHT22 relative humidity and temperature sensor has a compact housing with four contacts, which makes connection convenient.

Technical Specifications

• Operating supply voltage: 3.3V to 5.5V DC
• Measuring temperature range: -40°C to 80°C
• Temperature measurement accuracy: ±0.5°C
• Temperature step: 0.1°C
• Measuring humidity range: 0% RH to 99.9% RH
• Humidity measurement accuracy: ±2%RH (at 25°C)
• Humidity measurement step: 0.1%
• Polling period: 2s
• Purpose of conductors: Red – VCC, Black – GND, Yellow – DATA

The relative humidity and temperature sensor is supplied with a two meter long cable for direct connection to the screw terminals of the TTA-08 device.

220V AC network presence detector

The 220V AC voltage detector is a specialized device for monitoring the condition of a household electrical network. The detector is designed to work as part of the device for monitoring the condition of loops and sensors TTA-08.

This Detector is a simple and reliable high-quality device for monitoring the presence of 220V alternating voltage, developed by Terratel specialists.

The 220V voltage detector allows you to promptly inform about malfunctions, and in conditions of industrial use in factories and enterprises, avoid the consequences of possible emergency situations.

The 220V network presence detector is implemented in the form of a printed circuit board with a high-quality terminal block and has a simple circuit diagram.

Installation and connection of the detector to the TTA-08 device does not require special skills and tools. For reliable contact, the 220V voltage sensor provides for fixing the cable ends on the terminal block. The detector is connected to the 220V network with a plug.

The detector has an internal galvanic solution, which makes it impossible for the input voltage to influence the TTA-08 device.

The TTA-08 controller supports the connection of two detector for the presence of voltage from the 220V electrical network (for example, at the input and output of the UPS uninterruptible power supply).

Technical Specifications

• Type: AC voltage presence detector
• Input signal (operating voltage limits): 100V -265V AC
• Material: textolite
• Maximum cable length: 20 m
• Dimensions (without plug): 10 x 50 x 10 mm
• Weight: 50 g

The 220V AC network presence detector is intended for connection only to the TTA-08 device manufactured by TERRATEL.

Flood sensor with LED Octopus

The flood sensor with LED Octopus is designed to detect flooding in a room and transmit a signal to a security device.

The sensor has a built-in low-current relay, so it can be used to directly control small loads (LEDs, relays, detectors, etc.).

They are used both in security systems for comprehensive security of property, and in automatic systems for emergency shutdown of water supply, in facilities such as boiler rooms, boiler rooms, as well as in warehouses, country houses, cottages and usually bathrooms.

Technical Specifications

• Rated DC supply voltage: 12V
• DC supply voltage range: 5V 30V DC
• Relay contacts normally closed: NC
• Degree of protection: IP 68
• Ready to work time: 1 sec
• Overall dimensions: 13x13x64 mm
• Weight: 65 g

Placement and installation

When installing the Octopus sensor in an area of possible flooding, remove the protective layer from the adhesive tape and secure the sensor, pressing the housing tightly to the installation site. If fastening with tape is not secure, secure additionally with two screws included in the kit.

Connect the power according to the polarity, plus – Red, minus – Black, connect the relay contacts – Yellow and Blue.

Fire smoke detector SPD-3.10

The detector is a structure consisting of the detector itself and the base. The plastic housing of the detector houses the optical system, electronic signal processing unit and status indication control.

The detector is designed to detect flashes in enclosed spaces of buildings and structures. The detector reacts to the appearance of low concentration smoke, indicates this condition and transmits the “FIRE” signal to the TTA-08.

Additionally, the detector has the functions of indicating standby mode and checking functionality.

The detector has the functions of indicating the standby mode and checking its functionality.

Technical Specifications

• Sensitivity: 0.05-0.2 dB/m
• Inertia, no more than: 10 s
• Power supply voltage: 10-30 V DC
• Current consumption in standby mode, no more than: 0.1 mA
• Internal resistance in “FIRE” mode at a current of 20 mA, no more than: 500 Ohm
• Current consumption in “FIRE” mode: 8-30 mA
• FIRE mode reset time, not less than: 5 s
• Technical readiness time, no more: 30 s
• Operating temperature range: -10°C…+55 °C
• Overall dimensions: Ø85×37 mm
• Weight: 0.15 kg

Connection to fire loop TTA-08

The operating principle of the detector is based on monitoring the optical density of the environment in a protected area.

The detector with a 4-wire fire smoke loop is connected to the TTA-08 using the B2 base.

The fire smoke detector provides recognition of the states “Normal”, “Fire”, “No detector”.

Cascade temperature sensor KDT

The cascade temperature sensor is an electronic module with two RJ-45 connectors, housed in a polymer shell. This sensor is a reliable device for a multipoint temperature measurement system, developed by Terratel specialists.

Temperature measurement sensors are connected in series and, using a power matching module (MM), are connected to the controller of the TTA-08 monitoring system.

Temperature measurement sensors are connected using standard patch cords or UTP cross-patch cords, cat. 5/5e. The length of the patch cord can be from 0.5 m to hundreds of meters.

There are two ways to obtain current temperature values from sensors:

• Via WEB interface
• When connecting to a monitoring system based on the SNMP protocol

The multipoint temperature measurement system allows you to enter the required values for the upper and lower limits of permissible temperatures for each of the connected sensors with the ability to issue an SNMP trap message when thresholds are crossed.

Technical Specifications

• Operating range of measured temperatures: from -40°C to 120°C;
• Permissible limits of absolute error:
  • ± 0.5°C typical accuracy at 25°C
  • ±1.0°C between 0°C and 70°C
  • ±1.5°C in the range from -40°C to 120°C
• Supply voltage: +12V to +15V DC
• Interface: RS-485 based
• Unique 64-bit ID for each sensor
• Polling period: 750ms
• Overall dimensions of the cascade temperature sensor: 80x35x15 mm
• Weight: 20 g

Humidity and temperature sensor with RS485 MODBUS RTU interface (SHT20)

The SHT20 digital relative humidity and temperature sensor uses RS485 communication interface technology and supports MODBUS RTU industrial protocol to monitor environmental parameters.

This sensor is designed for DIN rail or wall mounting, making it the preferred choice for monitoring temperature and humidity in server rooms, laboratories, data centers, shopping malls, etc.

The RS485 interface provides communication over distances of up to 1000 meters, and support for the MODBUS RTU protocol allows you to implement a multi-point system for monitoring temperature and humidity values in real time when using the TTA-08 controller. This system allows you to organize monitoring of environmental parameter values from 1 to 247 points.

Technical Specifications

• Power supply range: 9V – 40V DC
• Power: less than 0.1W
• Temperature measurement range: -40°C – 85°C
• Humidity measurement range: 0 – 100% relative humidity
• Temperature measurement accuracy: +/- 0.3 °C
• Humidity measurement accuracy: +/- 3.0% RH
• Response time: 2s
• Communication output interface: RS485(communication range up to 1000 meters)
• Possibility to select the data transfer speed setting
• Communication protocol: MODBUS RTU
• DIN rail mounting
• Overall dimensions: 65 * 45 * 29 mm
• Weight: 40 g

Construction of a multipoint temperature and humidity measurement system

Using a sensor with RS485 MODBUS RTU interface is a cost-effective and reliable solution for monitoring temperature and humidity values in real time in different places with one device (multipoint temperature and humidity measurement system). By design, sensors with an RS-485 interface are suitable for industrial environments and also support relatively long communication distances (up to 1000 m).

Installation and connection to the RS485 interface TTA-08

The design of the humidity and temperature sensor with RS485 MODBUS RTU interface is equipped with a standard mount for mounting on a DIN rail or flat surface.

The RS485 communication output interface of the humidity and temperature sensor is connected via terminal blocks to the RS485 interface of the TTA-08 device.

Carbon monoxide monitoring sensor with RS485 MODBUS RTU interface

The digital carbon monoxide sensor uses RS485 communication interface technology and supports MODBUS RTU industrial protocol to monitor environmental parameters.

The high-precision digital carbon monoxide sensor, supporting RS485 communication interface and industrial MODBUS RTU protocol, is a practical, high-sensitivity integrated sensor for online gas monitoring.

The RS485 interface provides communication over distances of up to 1000 meters, and support for the MODBUS RTU protocol allows you to implement a multi-point system for monitoring the presence of carbon monoxide in real time based on the TTA-08 controller. This system allows you to organize monitoring of environmental parameter values from 1 to 247 points.

Installation and connection to TTA-08

The carbon monoxide sensor design with RS485 MODBUS RTU interface is equipped with a standard mount for DIN rail or flat surface mounting.

The RS485 communication output interface of the carbon monoxide sensor is connected to the RS485 interface of the TTA-08 device using a terminal block.

Overview

An external temperature sensor is a specialized device for monitoring the temperature in various rooms. The sensor is designed to work as part of a device for monitoring the status of loops and sensors TTA-08.

The temperature sensor is a simple and reliable high quality device developed by Terratel specialists. The sensor allows real-time monitoring of the temperature at the corresponding object at a distance of up to ~ 1500 meters from the device.

The temperature and humidity sensor allows you to promptly notify about exceeding the temperature / humidity threshold, and in industrial use in factories and enterprises – to avoid the consequences of possible emergency situations. The external temperature sensor is stable and easy to install.

Connection diagram and technical characteristics

The temperature and humidity sensor is implemented in the form of a printed circuit board on a textolite of excellent quality, using a modern element base and has a simple circuit diagram.

This solution makes it durable and provides the ability to quickly respond to events of changes in the threshold of the permissible temperature.

The sensor is connected with two twisted pairs of wires. One pair is supplied with power, the other is used to transmit information.

Since the polarity of the connection is important, the connection of the sensor to the connector of the device must be carried out according to the figures.

Features

• Type: Temperature and humidity sensor
• Placement range from the device: 1-500 m
• Temperature change limits: -50 ºС +125 ºС
• Typical accuracy of temperature: +/- 0.3°C
• Typical accuracy of humidity: +/- 2%RH
• Material: textolite
• Dimensions: 32 x 22 x 57 mm
• Weight: 30 g

Possibilities of application

• Temperature and humidity control in industrial and warehouse premises
• Monitoring the detection of faults or problems with heating/cooling
• Monitoring of temperature and humidity in the server room
• Data center

Overview

The 220V voltage sensor is a specialized device for monitoring the state of a household electrical network. The sensor is designed to work as part of a device for monitoring the status of loops and sensors TTA-08.

This 220V mains voltage presence sensor is a simple and reliable high quality device developed by Terratel specialists. The 220V voltage sensor allows you to monitor in real time its presence at the corresponding input or output. The 220V sensor has a wide range of permissible voltage, which allows you to monitor the power supply in any region – both in urban and rural areas.

The 220V voltage sensor allows you to promptly notify of a malfunction, and in industrial use at factories and enterprises – to avoid the consequences of possible emergency situations. The 220V voltage presence sensor is distinguished by its stable operation and ease of installation.

Connection diagram and technical characteristics

The sensor for the presence of a 220V network is implemented in the form of a printed circuit board on a PCB of excellent quality with a high-quality terminal block, using a modern element base and has a simple circuit diagram.

This solution makes it durable and provides the ability to quickly respond to AC power failure events.

This model of the sensor has the following technical characteristics: the limits of the operating voltage – from 100 Volts to 265 Volts, significantly expanding the possible places of its application.

Installation and connection of the sensor to the TTA-08 device does not require special skills and tools. For reliable contact in the 220V voltage sensor, the cable ends are fixed on the terminal block. In the direction of the 220V network, the sensor is connected with a power plug.

The sensor has an internal galvanic isolation, which makes it impossible for the input voltage to influence the TTA-08 device.

The TTA-08 controller supports the connection of two sensors for the presence of voltage of the electrical network 220V (for example, for monitoring 220V at the input and output of the uninterruptible power supply UPS).

Characteristics

• Type: AC current presence sensor
• Input signal: 100 – 256 VAC
• Material: textolite
• Maximum cable length up to 20 m
• Dimensions (without plug): 10 x 50 x 10 mm
• Weight: 50 g.

Key features and benefits

Taking into account the above technical characteristics of the 220V voltage presence sensor, it is possible to highlight its main capabilities and advantages:

• Simple electrical circuit diagram using quality components to ensure accuracy, speed and reliability.
• Simplicity – The sensor has only one function, but this function is extremely important and will allow you to quickly identify problems in production.
• Galvanic isolation between the 220V electrical network and the TTA-08 controller.
  A wide range of controlled voltage of the electrical network 220V.
• A design that allows you to connect the sensor directly to an outlet, filter, or any monitored equipment.
• The TTA-08 device supports the connection of two sensors for the presence of voltage of the electrical network 220V.

Due to all of the above characteristics and advantages, the use of 220V voltage presence sensors as part of the TTA-08 sensor monitoring and control device provides the client with the ability to quickly monitor the state of the electrical network, as well as quickly and correctly respond to emergency events.

It is possible to buy a 220V AC network presence sensor by placing an order on the Terratel company website, by sending an order via e-mail or by phone.

Connecting digital devices with RS-232 and RS-485 interfaces

The available TTA-08 interfaces (RS-232 and RS-485) allow to connect for control and monitoring various additional devices with the serial interface, for example network switches, uninterruptible power supplies, counters of electric and thermal energy, counters of cold and hot water, gas, conditioners. etc. Support for a specific model of an external device is developed in the presence of documentation on the protocol for exchanging the device on the serial port.

Thus, the specialists of Terratel LLC and Telekart-Prilad LLC implemented a joint project of integration of Energia-9 electricity meter and TTA-08 device.

Within the framework of the project, support for the connection of electricity meters “Energy-9” STK1 produced by LLC “Telecard-device” in Odessa through the RS-232 interface was implemented.

Functionality

The software of the TTA-08 device allows to display real-time current parameters of the electric energy meter

• Accrued amount of electricity consumed (kWh)
• Voltage, V
• Current, A
• Frequency, Hz
• Power, W
• Date and time

The functionality of the software also implements the receipt and storage of the amount of energy consumed on a specific date or at the beginning of the month, consumption per month and so on.
WEB interface.

Display of meter parameters on the Web interface of the TTA-08 device is available on the “Monitoring” tab:

Energy, voltage, current, frequency, date and time are available for monitoring with the TTA-08 device.

TTA Monitor

Display of meter parameters in the TTA Monitor software is available on a separate tab “Electricity meter”

TTA Monitor software allows you to organize data collection (energy, voltage, current, frequency, etc.) from a large number of electricity meters and subsequent storage in the database.

Data collection from the meter can be carried out according to the following criteria:

• Current data
• At the beginning of the day
• At the beginning of the month
• At the beginning of the year
• In a day
• Per month
• In a year

Considering that Terratel is a developer, manufacturer and seller of VoIP gateways for the integration of digital interfaces E1/T1 and IP networks, we are asked quite diverse questions. These questions cover design features and functionality.

Below we will try to present the most frequently asked questions (FAQ) about VoIP gateways that we have received recently.

What is a digital VoIP gateway?

A VoIP gateway is hardware and software that converts TDM traffic from the PSTN (Publicly Switched Telephone Network) to IP packets, or vice versa for transport over Ethernet networks.
At the same time, the device is connected to the TDM side via the E1 interface, which is a digital data transmission standard with a bandwidth of up to 2048 kbps.

Is it possible to connect analog trunks?

Not. Our device belongs to the digital type of gateway to which E1 interfaces are connected.

What is an analog VoIP gateway?

It is a VoIP gateway that allows station devices such as analog telephones, analog POTS trunk lines to be connected through the FXS or FXO ports.

What is E1 port and what is the maximum number of E1?

E1 (interface, port, stream) is a digital data transmission standard corresponding to the primary level of the European PDH standard.
The capacity of the E1 stream reaches 2048 kbps.
The digital VoIP gateway has the following design options:

• 2E1– 120 SIP
• 4E1– 120 SIP
• 8E1– 240 SIP
• 16E1– 480 SIP

Is it possible to send a Fax through a Gateway?

Yes, it is possible.
VoIP gateways from Terratel fully support the T.38 fax codec.

What voice compression do Digital VoIP gateway support?

Digital VoIP Gateway supports standard codecs such as G.711, G.723.1, G.726 and G.729A/B.

What kind of signaling does the VoIP gateway support as standard?

The device can simultaneously support the following signaling and protocols: SIP, SS7 (supporting subsystem MTP2, MTP3, ISUP), ISDN PRI (DSS1, QSIG, Q.931), V5.2 LE, V5.2 AN, R2 MFC, R1.5.

How many SS7 links are supported?

A digital VoIP gateway in a 4E1 configuration supports up to 4 SS7 links, in a 16E1 configuration up to 16 SS7 links. That is, it is possible to configure one SS7 link for one E1 port.

Do VoIP gateways from Terratel support power redundancy?

Depending on the customer’s requirements for redundancy, the devices are equipped with power supplies in the following versions:

• AC 220V
• DC 48V
• AC 220V + DC 48V
• AC 220V + AC 220V
• DC 48V + DC 48V

Does VoIP Gateway support LED indication and hardware reboot capability?

The device supports LED indication of various states of E1 ports and EHT ports.
On the front panel there is a button for hardware reset of the gateway to factory settings.

Can the VoIP gateway fallback to the PSTN connection if the Internet goes down or there is a power outage?

If an E1 backup channel switching unit (E1 Bypass) is supplied together with the VoIP gateway, this is possible.
E1 Bypass complete with VoIP gateway is designed to back up communication lines in case of power failure at the facility.
The E1 redundant channel switching unit acts as an emergency telephony switch and is a 19-inch patch panel with 48 RJ-45 ports of 1U standard size.

What are the warranty obligations?

Depending on the terms of delivery, Terratel provides a guarantee for the digital VoIP gateway for a period of 1 to 3 years.

What are the basic network diagrams for using a digital VoIP gateway?

In fact, there are many typical applications for using a gateway. The most common use cases include:

• Connecting your VoIP telephone system to the public switched telephone network
• Connecting traditional telephones to your VoIP phone system
• SIP connection for traditional PBX system with E1 interface

You can get acquainted with other possible options and schemes of use on our website in the section “Solution for modernization of fixed and mobile networks”.

If you need a solution that is not described or it will be non-standard, please contact the specialists of Terratel.

Product description and scenarios for its use

Converter TDMoIP is a device that uses technological solutions to organize communication channels for TDM equipment via Ethernet.

Converter shall provide TDMoIP in order to transsmit E1 signals over IP networks.

To meet the synchronization needs, TDMoIP, CESoPSN, SAToP standard protocols have been defined to handle pseudowire and circuit emulation over paquet switched networks.

Converter TDMoIP is an access gateway that performs these functions for E1 streams with G.703, G.704 framing over an Ethernet based IP network while being compliant with the requirements listed below.

General technical requirements

The TDMoIP gateway (E1/TH converter) must meet the requirements for this type of device. The main technical requirements are presented below.

Usage profiles

To provide high-quality and uninterrupted communication services, the Device must work 24/24, 7/7, 365 days a year with a 99.9% availability level.

Functional characteristics

• The product must provide the capability of mixing the DS0 timeslots between the E1.
• The product must provide End-to-end synchronization with Clock recovery mechanism over packet-based networks.
• The product must provide MASTER clock to E1 wires.
• The product must provide Carrier class clock reliability.
• The product must be compliant with IETF RFC : RFC 4553 (SAToP), RFC 5087 (TDMoIP), RFC 5086 (CESoPSN), RFC 4618.
• The product must offer capabilities of 802.1p QOS tagging and prioritization.
• Secure management protocol must be used for configuring the product (ssh instead of telnet ; https instead of http ; …).
• The product must be compliant with Syslog protocol.
• The product must be compliant with The SNMP V3 management protocol.
• The product configuration must be able to be made with a local direct connection to the device.
• The product configuration must allow the ability to setup several class of users according to privilege level (super user, read-only users).

Options or hardware configuration

Terratel TDMoIP gateway or E1/ETH Converter, depending on the customer’s technical specifications, can have from 1 to 16 ports in one housing with an RJ-45 connector for connecting E1 interfaces.

To transfer traffic to Ethernet, control and monitor the operation of the device, a port with an RJ-45 connector or an SFP slot can be used to integrate the device directly into the optical backbone.

Physical characteristics and interfaces

Mechanical

The product must fit the following dimensions:

• width: 19 inches
• height: 1U
• length: 300mm

For devices with up to 8 E1 interfaces, the case dimensions can be optimized (the case width will be 9.5 inches).

For a device with 1 E1 interface, TERRATEL offers an original design in the SFP form factor.

Electrical

The product must be compatible with a 220 VAC (50Hz) power supply or 48 VDC.

The product’s electrical consumption must not exceed 10 W.

Electronic interfaces

Physical interfaces for E1 must be: Balanced 120 Ω Cat. 5, RJ-45 to RJ-45.

An interface port must be dedicated for the management of the device.

General requirements concerning the product

Maintainability

The End of life should come no earlier than 10 years of operation.

Regulatory and legal requirements

The product must comply with the following regulations:

• ROHS: Decree 2011/65/EU of 8th June 2011, “RoHS 2” [DA1],
• REACH: Regulation 1907/2006/EC of 18th December 2006 [DA2]

The product must comply with CE marking regulations (mandatory to deliver products on European market).

Environmental requirements

The product must be able to operate under the following conditions:

• Temperature: 15 to 35°C
• Relative humidity: 10 to 80% humidity without condensation

Requirements for equipment maintenance services

Support services comprises of:

• Help Desk service
• Software Support Service&Software Upgrade
• Knowledge Base Service
• Regular Reporting all performed by the Supplier

The Supplier must provide support services or parts thereof in accordance with the terms and conditions agreed with the Purchaser.

The Customer may perform Support services or parts thereof on his own or order parts thereof from third parties.

Compliance with the requirements

The TDMoIP gateway (E1 / ETH converter) from TERRATEL fully meets the requirements for this type of equipment.

Device Specifications

The main technical characteristics of the E1 / ETH converter device are shown below.

Encapsulation

Converter provides E1 connectivity over PWE with following encapsulation:

• UDP/IP
• MPLS

TDM Synchronization

E1/ETH converter supports the following functions for synchronizing TDM devices: recovered from the network, from the E1 interface and an internal source.

BRIDGE MODE

The internal bridge operates in VLAN-aware or VLAN-unaware mode. VLAN stacking separates management traffic between user traffic.

The traffic separated by assigning different VLAN IDs to different services.

Device support folloving protocols

• SAToP (rfc 4553);
• CESoPSN (rfc 5086);
• CESoETH (MEF-8).
• Adaptive sync recovery algorithm
• BER-test functionality

Device shall support following E1 loops

• Remote loopback
• Local loopback

Scenario P2P Point to Point

Scenario P2MP Point to Multi-Point (TDM Multiplex)

ETHERNET INTERFACE 10/100BaseT

• Number of Ports (1)
• Connector RJ-45

E1 INTERFACE – ITU-T Rec. G.703, G.704

• Number of Ports (1-8)
• Data Rate 2.048 Mbps
• Line Code HDB3
• Framing Framed or Unframed E1 G.703/704 support
• Line Impedance 120 Ohm bal, connector RJ-45

Power supple

AC/DC Power Supple: 100–240 VAC, 50/60 Hz or 48/60 VDC nominal (40–72 VDC).

Management

TDMoiP unit can be managed using the following ports and applications:

• Remote inband via separated VLAN ID
• Local management (RS-232; web/CLI) or other

Security

Password-protected Telnet and local terminal access.

Management traffic can be separated from user traffic by creating dedicated (VLAN) flows.

MNG traffic shall be terminated in device (noi propagation to ETH (LAN) port

Scalability

Converter shall be compact device (no mudular) which can be easyly installed at the Customer side.

Device shall support following statistics:

• Alarms E1, Ethernet, System and Maintenance
• Circuit emulation statistic with per-bundle resetting possibility
• ARP-table of peers
• Sync statistic
• G826 statistic for E1 interfaces with per-channel resetting possibility
• Packet/error counters for Ethernet interfaces, reset is possible only for all counters
• RSTP status
• Pseudo-wire connections statistic

Device shall support following configuration MNG

• Configuring of E1 interfaces (physical/channel layers)
• Table of peers
• Table of bundles
• Configuring of Ethernet interfaces
• VLAN table, QoS-CoS configuring
• RSTP configuring (bridge settings + LAN-ports settings)

Configuration and SW management

• The software fully supports configuration management – Apply / Confirm / Backup / Restore
• The software provides commands to load / unload the configuration via TFTP
• Supports TFTP software update function and update confirmation

Fault Maintenance and Maintenance tools

Hard reset the device.

Other features

Provides support for monitoring and control using the WEB interface.

Supports independent reset of E1, Ethernet and RSTP settings.

Alarm logging is maintained (internal, displayed by LOG commands, and support for external syslog server).

TDMoE

The device software supports TDMoE functionality, which allows E1 data to be transmitted over packet networks using Pseudo Wire Emulation (PWE).

Pseudo Wire Emulation (PWE) technology is called TDMoE (TDM over Ethernet).

This technology allows existing TDM solutions to be easily migrated to packet networks, using them as a low-cost transport medium.

The device supports the Batch emulation configuration scheme.

In particular, dynamically creating / removing packages for each E1 interface without affecting other active packages.

Specialized monitoring system as an option for equipment maintenance services.

The network monitoring system is responsible for timely response to an emergency situation in the operation of TDMoiP gateways installed on the Customer’s telecommunication network.

A specialized network monitoring system allows you to control and promptly inform about the occurrence of emergency events and key operating parameters of digital TDMoiP gateways.

The network monitoring system uses SNMP (Simple Network Management Protocol) to operate on an Ethernet network. This application is a product of Terratel and is the optimal tool for monitoring the health of the network as a whole.