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Communication Device Communication Device

Intelligent Monitoring Control

Achieve monitoring, control, and protection of the main electrical equipment in industrial enterprises.

Communication Device Product Advantages Technical Specifications Related Terminals
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Communication Device

Communication Device

Communication Device

Communication Device

Communication Device

With the accelerated construction of new power systems, the requirements of substations for safety and reliability continue to increase. Unitech keeps pace with communication technology and industry development trends, implementing a comprehensive upgrade of the hardware and software platforms of communication devices. By enhancing intrinsic security mechanisms and optimizing data encryption, Unitech delivers communication devices with efficient data processing, robust cybersecurity, and strong protocol library support, ensuring reliable substation data interaction and protection.

Product Advantages

Integrated design

Integrated design

Designed in accordance with the integrated architecture principle of monitoring systems, realizing integrated application configuration and integrated operation and maintenance.

Intelligent power supply indication

Intelligent power supply indication

Adopts AC/DC adaptive power supply with built-in LED indicators to display operating status in real time, facilitating maintenance and management.

Multiple communication protocols

Multiple communication protocols

Supports communication protocols including DL/T 634.5104, DL/T 860, DL/T 476, Q/GDW 273, and Q/GDW 11068.

Flexible interface configuration

Flexible interface configuration

Supports multiple interfaces such as twisted pair and optical fiber. Each port can be configured in full-duplex or half-duplex mode to meet different network requirements.

Technical Specifications

Network switch Communication management unit Data communication gateway device
Parameter UT-5111-Z-E24G4 station-level switch UT-5111-G-E16G4 process-level switch
Optical port parameters Transmit power: -23.5 dBm ~ -14 dBm (100M multimode LC), -9.5 dBm ~ 0 dBm (1G multimode LC); receive sensitivity: ≤ -31 dBm (100M multimode LC), ≤ -21 dBm (1G multimode LC); forced receive sensitivity: -25 dBm (100M multimode), -12.5 dBm (1G multimode LC, 62.5 μm), -13.5 dBm (1G multimode LC, 50 μm); wavelength: 1310 nm (100M multimode), 850 nm (1G multimode); transmission distance: 2 km (100M multimode), 0.55 km (1G multimode). Transmit power: -23.5 dBm ~ -14 dBm (100M multimode LC), -9.5 dBm ~ 0 dBm (1G multimode LC); receive sensitivity: ≤ -31 dBm (100M multimode LC), ≤ -21 dBm (1G multimode LC); forced receive sensitivity: -25 dBm (100M multimode), -12.5 dBm (1G multimode LC, 62.5 μm), -13.5 dBm (1G multimode LC, 50 μm); wavelength: 1310 nm (100M multimode), 850 nm (1G multimode); transmission distance: 2 km (100M multimode), 0.55 km (1G multimode).
Input power supply AC85–265V, DC110–330V. AC85–265V, DC110–330V.
Power < 30W < 30W
Gigabit Ethernet 4 x 1000Base-FX LC interfaces 4 x 1000Base-FX LC interfaces
Fast Ethernet 24 x 100Base-TX + 4 x 1000Base-FX;16 x 100Base-FX + 4 x 1000Base-FX. 24 x 100Base-TX + 4 x 1000Base-FX;16 x 100Base-FX + 4 x 1000Base-FX.
Electrical port parameters Physical interface: RJ-45 with shielding; RJ-45 ports: 10Base-T/100Base-TX, supporting auto-negotiation; interface standard: compliant with IEEE802.3 standard; transmission distance: < 100 m. Physical interface: RJ-45 with shielding; RJ-45 ports: 10Base-T/100Base-TX, supporting auto-negotiation; interface standard: compliant with IEEE802.3 standard; transmission distance: < 100 m.
Dimensions 19-inch chassis, 1U height 19-inch chassis, 1U height
Parameter UT-5311 communication access unit UT-5315 communication management unit UT-5316 communication management unit
Power supply AC100–240V; DC120–375V. / /
Power consumption 15VA 15VA < 30 VA (communication only); < 60 VA (communication + monitoring integrated).
Number of serial ports ≤ 6 (2 x RS-232/RS-485 configurable + 4 x RS-485) ≤ 12 (4 x RS-232/RS-485 configurable + 8 x RS-485) ≤ 48 (16 x RS-232/RS-485 + 32 x RS-485)
Number of network ports ≤ 2 (optical/electrical configurable: 10M/100M, 10M/100M/1000M) ≤ 4 (optical/electrical configurable: 10M/100M, 10M/100M/1000M) ≤ 8 (optical/electrical configurable: 10M/100M, 10M/100M/1000M)
Number of binary inputs 0 ≤24 ≤96
Number of binary outputs 2 (power loss + event alarm) ≤12 ≤48
Remote signaling library 12000 30000 30000
Remote measurement library 8000 30000 30000
Energy metering library 8000 15000 15000
Remote control library 8000 15000 15000
Communication protocols More than 300 industry and manufacturer-specific protocols including IEC 60870-5-101, 102, 103, 104 More than 300 industry and manufacturer-specific protocols including IEC 60870-5-101, 102, 103, 104 More than 300 industry and manufacturer-specific protocols including IEC 60870-5-101, 102, 103, 104
Dimensions Width 114.5 mm x depth 79.5 mm x height 170 mm 19-inch chassis, 1U height 19-inch chassis, 4U height
Parameter UT-5319_S1 real-time gateway UT-5319_S2 service gateway
Rated voltage DC110V, DC220V, AC220V DC110V, DC220V, AC220V
Power consumption Single unit < 45 W Single unit < 45 W
RS485 communication protocol DL/T 667-1999 (idt IEC 60870-5-103:1997) DL/T 667-1999 (idt IEC 60870-5-103:1997)
Number of RS485 ports ≤ 16 ≤ 16
RS485 transmission distance < 500 m < 500 m
Wiring type Shielded twisted pair Shielded twisted pair
Number of Ethernet ports ≤ 12 ≤ 12
Communication protocols IEC 60870-5-103:1997, IEC 61850 IEC 60870-5-103:1997, IEC 61850
Transmission distance < 100 m < 100 m
Wiring type Category 5 shielded network cable Category 5 shielded network cable
Dimensions 19-inch chassis, 2u height 19-inch chassis, 2u height

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