Remotely controlled power supply source DC1500

48 V 1 500 W power supply source has been designed for the power supply of telecommunication systems . It allows connection of the external lead backup batteries, their charging and automatic disconnection in case of discharge (function of the Uninterruptible Power Supply System – UPS). In addition it allows switching of individual outputs, measuring of voltage, measuring of currents and temperature. The source state can be checked by www browser from the source internal websites and from the superior system by SNMP. In the same way the source can be controlled. The source contains an internal real time clock synchronized with NTP protocol allowing to save operating conditions history by means of SYSLOG protocol.

Dálkově dohledovatelný zdroj DC1500

The main advantages of DC1500

  • 48 V, 1 500 W power supply source with network supervision
  • Remotely supervised 48 V voltage power supply source with the possibility of connecting backup batteries and charging
  • Remote supervision and control allow a simple control of the source and its incorporation into the central supervision systems
  • Easy installation and maintenance
  • Communication and control by standard protocols (HTML, SNMP, NTP, SYSLOG)

 

 

Interconnection diagram of the source with environment

Basic technical description

The source is built in the cabinet designed for the installation into 19“ rack, height of 3U and depth 40 cm (without connectors), weight of the source is 14kg.

Connection to the mains

The source has been designed for connection to the network with the nominal voltage of 230 V 50 Hz. Protection of the input voltage is provided by the circuit breaker with rated current of 10 A and characteristics C. The inner source modules are capable to operate in the range between 100 and 264 V AC without switching. During a large voltage drop the consumption from the network can increase, causing 230 V circuit breaker to drop out. The voltage measured in the source is 230 V and the measured value is available both on the control websites of the source and in the information for the supervisory system. If the 230 V input is beyond the pre-set range, the source will notify this. The source does not have any network switch as it is designed for a continuous use.

Output circuits

Three output circuits of 48 V with rated current of 10 A, for the external accumulator and 230 V circuit are protected by standard circuit breakers installed on the source front panel . Both poles (plus and minus) of 48 V outputs and the external accumulator are disconnected by the circuit breaker. The state of all circuit breakers is scanned by an auxiliary indication contact.

Front panel

On the front side there are Ethernet connectors ETH 1 and ETH 2 (the first one for connecting into the system of remote supervision, the second one for connecting of the service technician), LED indicating the current state of the source, LCD display showing details and two buttons for local control of battery disconnecting switch. In addition the front panel includes circuit breakers for individual outputs, accumulator and 230 V input.

Rear panel

The rear panel includes connectors for connecting outputs and accumulator and the euro plug to connect 230 V power supply.

Basic technical parameters

Dimensions19“module height 3U and depth 40 cm (without connectors), width
(without handles) 43 cm, height 13 cm
The source is designed for installation into 19“ distributor (rack), vents
on front and side panels must not be covered.
Weight14 kg
CoverIP20
Working temperature range0 to 45 °C
Storage temperature range–20 to 60 °C
Humidity20 to 90 % not condensing
Input rated voltage230 V ±10 %, 50 Hz
Input current maximum10A
Accumulator disconnector voltage43,5 V (1,8 V / článek)
Output rated current3× 10 A
Tolerance of output voltage±3 %
Effectiveness (with rated output 1 500 W)Účinnost (při jmenovitém výkonu 1 500 W)85 %
Connecting connectors
LAN
LAN (ethernet) 2× RJ45
230 V intakeEURO-plug
48 V output3 pairs of two pin plugs PA256/7,62 – conductor cross
section max. 2,5 mm2
External batterysix pin plug PA256/7,62 – conductor cross
section max. 2,5 mm2 (for connecting of accumulator the use of 3
parallel cables with diameter of 2,5 mm2 for each accumulator pole
connected to the accumulator terminal clip is suggested)
The auxiliary outputs (in the basic version not connected)2 two pin plugs PA256/7,62
GroundingGrounding terminal

MB multiline set SMZIP

MB multiline set SMZip has been designed for replacement of current multiline subscribers during transition to the remote control. It is designed to connect of up to 32 MB lines and their transfer to VoIP technology (voice transmission by IP protocol in the Ethernet network). In addition it allows coupling of up to five AUT telephones and their transfer into VoIP and connecting the local analogue recording for local communication recording on MB lines. In order to test the system without the presence of functional transmission system, an analogue phone is available for the function test during putting the system into operation. Detection of the current state of control and configuration is possible via Ethernet interface with web browser. Current operating conditions and information from the inner auto-diagnostics can be transferred to superior surveillance system using SNMP and SYSLOG protocol by recording the operating history. The internal real time clock can be synchronized using NTP protocol.

MB zapojovač SMZip

The main advantages of  MB multiline set SMZIP

  • Technical equipment designed for transfer of MB lines to VoIP environment
  • Allows connecting of up to 32 MB lines,or mutual interconnection of 2 lines into the form of the transit pair (line telephone)
  • Enables user friendly configuration and remote control over www interface, in addition the remote control and supervision by standard protocols (HTML, SNMP, NTP, SYSLOG)pomocí standardních protokolů (HTML, SNMP, NTP, SYSLOG)
  • Allows optionally to connect up to 5 AUT phones
  • Allows local analogue recording of the operation

Block diagram of multiline set interconnection with environment

Basic technical description

MB multiline set is built in the cabinet designed for installation into 19“ rack, height of 2U and depth of 35 cm. Weight is 6 kg.

Front panel

On the front panel are located two Ethernet connectors (one for connecting to the system, the second for the service technician), the LED indicator showing the current state of MB lines, the MB multi line subscriber set and the alphanumeric LCD display showing details of the current state. Furthermore, the front panel includes connectors for analogue recording, service headphone and auxiliary service AUT lines.

Rear panel

On the rear panel is located the EURO plug for 230 V power connection, connector for optional connection of 48 V DC power supply and connectors to connect MB lines. Here the RJ45 connectors – each for 4 MB lines are used. For connecting the multiline set to MB lines (it is assumed to use a short cable fitted on one side with RJ45 connector and on the other side cut into the LSA distribution bars) it is necessary that they are always fitted with isolation transformers and lighting arresters on each MB line. The power supply of the Multiline Set is optional 230 V AC or 48 V DC.

Basic technical parameters

 

Dimensions19“ module, height 2U and depth 35 cm (without connectors), width
(without handles) 43 cm, depth 35 cm, height 9 cm
MB Multiline subscriber has been designed for installation into 19“ rack of the distributor
Weight6 kg
CoverIP20
Working temperature range0 to 45 °C
Storing temperature range–20 to 60 °C
Humidity20 to 80 % non-condensing
Input voltage rated(version 230 V AC): 230 V ±10 % 50Hz
Input current maximum(version 230 V AC): 2 A
Input voltage rated(version 48 V DC): 36 V up to 72 V DC
Input current maximum(version 48 V DC): 4 A
Connecting connectors
LAN (ethernet) 2× RJ45
230 V intakeEURO plug (version 230 V AC)
48 V intaketwo-pole connector (version 48 V DC)
MB llinesRJ45 plug – 1pc for each 4 lines
AUT lines and analogue recordingRJ11 plugs

 

Universal supervisory system

The universal supervisory system (UDZ) has been designed for monitoring of operating conditions in telecommunication technologies and their remote checking. It enables measuring of temperature at several places inside telecommunication switchboards (1–3 external sensors, 1 internal sensor in UDZ), monitoring of a state in 16 logic inputs with adjustable sensitivity to 5 V, 12 V, 24 V or 48 V, switching of 16 logic outputs by switching relay. Detection of the current state and configuration of equipment can be carried out over Ethernet interface by www browser. The states if inputs and outputs can be transmitted to the control centre by SNMP. The objective of the UZD usage is its integration into the superior SUPERVISORY SYSTEM and simplification of remote diagnosis of telecommunication systems failures.

Univerzální dohledové zařízení

The main advantages of UDZ

  • Electronic system of the remote supervision designed for monitoring of conditions inside the telecommunication technologies
  • 16 logic inputs, 16 logic outputs, internal and external thermo-sensors
  • Communication and control by standard protocols (HTML, SNMP, NTP, SYSLOG)
  • Possibility of a simple integration into central supervisory systems

 

Univerzal Supervisory Device - possible topology

Basic technical description

UDZ is built in the box designed for installation into 19“ rack, height 2U and depth 35 cm. Weight is 5,5 kg.

Front panel

On the front panel there are two Ethernet connectors (one for plugging into the system, the other one for connecting of the service technician), LED indicating the current state of inputs, outputs and UDZ itself, and alphanumeric LCD display displaying details of the current UDZ state.

Power supply

In the standard version UDZ is designed for the 230 V AC backed-up power supply , optionally the internal switching power source can be replaced by DC-DC converter for input voltage 48 V (36–72 V) DC. The power intake of the entire UDZ does not exceed 50 W, typically around 20 W (for both 230 V AC power and also 48 V DC power).

Logic inputs

Logic inputs are defined for scanning the voltage state of external equipment and they are galvanically separated by optocouplers both in direction to UDZ, and between each other. UDS sensitivity can be set by shorting jumpers for 5 V, 12 V, 24 V or 48 V.

Logic outputs

Logic outputs are realized by switching relays. Maximum switching current is given by the applied relays, for 230 V AC version it is 6 A and for 48 V DC version it is 4 A. If higher currents are required it is possible to use external contactors.

External thermo-sensors

External thermo-sensors are designed for monitoring temperatures inside telecommunication switchboard, where UDZ is installed. The resolution of thermo-sensors is limited by SW to 1 °C and the absolute accuracy is 2 °C.

Basic technical parameters

Dimensions19“ module, height 2U, depth 35 cm (without connectors), width (without
holders) 43 cm, depth 40 cm ( with connectors?), height 13 cm
Supervisory system is designed for the installation into 19“ (rack) of
the switchboard.
Weight5,5kg
CoverIP20
Working temperature range0 až 45 °C
Storage temperature range–20 až 60 °C
Humidity20 to 80 % non-condensing
Rated input voltage230 V ±10 %, 50Hz
Input current maximum1A
Logic inputsgalvanically separated, sensitivity optional 5 V, 12 V, 24 V or 48 V
Logické výstupy230 V střídavých, max. 6 A nebo 48 V stejnosměrných max. 4 A
Connectors
LAN (ethernet) –2× RJ45
230 V intake –EURO plug
48 V intakeoptional
Logic inputs –2 two-pin plugs PA256/7, cable plugs PA256/7,62 are a part
of a supply
Logic outputs –230V AC, max. 6A – fie-pin plug PA256/7,62, 48 V DC –
four-pin plug PA256/7,62 – the conductor cross section max. 2,5 mm2,
cable plugs PA256/7,62 are a part of a supply
External thermo- sensorsresolution 1 °C, absolute accuracy 2 °C
Grounding terminal clip

MikroEXPO 2012

Uherské Hradiště 18.7.2012

Professional radio stations Hytera and Integrated dispatching system were introduced by Mr. Radomir Dvorak in his speech in the Hall of Culture House, then

Mr. Jan Zbytovský presented the development of a new duplexer and splitter for 5,6 GHz band. Radio stations, and in the near future also the duplexer, can be found on our e-shop.

 

Czech Raildays 2012

Railway station Ostrava main station from 19th to 21st June 2012

Dear friends, Company Dcom spol. s r.o. would like to invite you to the International fair of railway technology Czech Raildays 2012; which will be held from 19th to 21st June 2012 in the commercial part of the railway station Ostrava main station. More information about the fair: http://www.railvolution.net/czechraildays/

At the Fair we will exhibit our complete Integrated dispatching system RV3, antennas VHF, UHF, GSM and Hytera professional radios.
You can find us in Hall A1, Stand No. 24, where we exhibit along with AŽD Praha.

We look forward to meeting you.