Composed by 3 partners: Polesso, Huang and Bet; Started manufacturing OEM power supplies for computers.

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2 ABOUT US Established in 1984 (São Paulo Brazil); Composed by 3 partners: Polesso, Huang and Bet; Started manufacturing OEM power supplies for computers. 2

3 CORE BUSINESS Design and production of: Power supplies; Energy systems with remote management; OEM telecom cabinets; Fiber Optical products and solutions; Services (installation, start up process, technical support, training, i repair, integration i and tests); Hybrid energy solutions and clean energy. 3

4 APPLICATIONS Telecom; Voting, Banking and Commercial Automation; Computers; Industrial. 4

5 OPERATIONS 5

6 COMPANY 60 high trained employees with very low turnover (12 at R&D Department); Outsourcing process in Brazil (150 employees) and China (up to 500 employees); Automatic testing system for main products. Quality System (ISO 9001:2008) 6

7 MAIN ADAVANTAGES Large experience at infrastructure products for Telecom; Own technology; Flexibility to customize products even at low quantity; Quick service in the field; Permanent support. 7

8 MAIN COSTUMERS 8

9 PRODUCTS OEM Power Supplies; Stand Alone Rectifier; Rectifier Units; Control Units; Rectifier Systems; Distribution Shelves; DC/DC Converter Systems; OEM Indoor and Outdoor Cabinet Solutions; Optical Products; Remote Power Feeding (under development); Converters for Hybrid Energy Solutions (under development); Solar Inverters (under development). 9

10 OEM PROJECTS Customized AC/DC & DC/DC SMPS for many applications; Diversified layouts (open frame, enclosed, DIN rail, rack mount, ); Designs to meet Internationalrequirements requirements (safety, EMIand EMC); Special circuits (Ex: O Ring MOSFETs for redundant supply). 10

11 STAND ALONE RECTIFIER SE2001/08 ( 48V/15A) 19 /1U shelf; Universal input (90Vac 260Vac); Adjustable output voltage (45Vdc 58Vdc); Maximum output current: 15A (Vin>180Vac) or 10A (90Vac<Vin<180Vac); Battery and 2 load thermal breakers; LVBD circuit; DC voltage and current meter (display); Wide temperature operation range ( 5 C to 70 C); ANATEL certification ( ). 11

12 RECTIFIER UNIT Suitable for 1U and 3U height power shelf; Universal input (90Vac 260Vac); Adjustable output voltage (45Vdc 58Vdc); Output current: 15A (Vin>180Vac) or 10A (90Vac<Vin<180Vac); Up to 90% of efficiency; Hot swap; Load sharing, suitable for redundant operation (N+1); Wide temperature operation range ( 5 C to 70 C); 900A 0048/01 ANATEL certification ( ). 48V/15A 12

13 RECTIFIER UNIT Suitable for 1U and 3U height power shelf; Universal input (90Vac 260Vac); Adjustable output voltage (45Vdc 58Vdc); Output current: 25A (Vin>180Vac) or 10A (90Vac<Vin<180Vac); Up to 95% of efficiency; Hot swap; Load sharing, suitable for redundant operation (N+1); Wide temperature operation range ( 5 C to 70 C); 1500W 0048/01 Comply with ANATEL requirements. Under Development 48V/25A 13

14 RECTIFIER UNIT High efficiency i (>96%); 1U hot swap module; Up to 4 units in 19 power shelf width; Digital control; Universal input (90Vac 260Vac); Adjustable output voltage (45Vdc 58Vdc); Maximum output power: 3000W (Vin>185Vac); Maximum output current: 48Vcc; Load sharing, suitable for redundant operation (N+1); Widetemperature operation range ( 5 C to 70 C); ANATEL certification ( ). 3000W 0048/01 48V/3000W 54Vcc 14

15 CONTROL UNIT USCC/19 1U hot swap module; Display (LCD) and keypad for local navigation; Battery management (float voltage compensation with temperature, tests, LVD, etc.); Up to 4 external alarm inputs; User configurable remote alarms; Controls up to 6 DC fans; RS232 Interface; Access control (RFID reader and electromagnetic lock control); o SNMP agent (optional) for remote reading or control; Event records. OPTIONAL ETHERNET CONVERTER (Installed inside of the Control Unit) 15

16 CONTROL UNIT 3U hot swap module; Display (LCD) and keypad for local navigation; Battery management (float voltage compensation with temperature, tests, LVD, etc.); Up to 4 external alarm inputs; User configurable remote alarms; Suitable to +24V or 48V systems; Controls up to 9 DC fans; RS232 Interface; SNMP agent (optional); Event records. USCC/18 OPTIONAL ETHERNET CONVERTER (Installed inside of the Control Unit) 16

17 CONTROL UNIT 1U hot swap module (with automatic vertical / horizontalposition operation); Color dot matrix LCD (128 x 128 pixel) and keypad for local navigation; Battery management (tests, LVDs, datalogs, voltage and current imbalance, etc.); Up to 8 external alarm inputs; User configurable remote alarms; Suitable to +24V or 48V systems; Controls up to 9 DC fans; Web server and SNMP agent (built in); Remote reading and control; Event, test, average, min. and max. system measurement records; Efficiency mode operation; Access control (RFID reader and electromagnetic lock control). USCC/20 17

18 RECTIFIER SYSTEM SR30A/ 48V 1U/19 power shelf; Redundant operation (900W + 900W); DC load distribution (3 mini breakers); Battery mini breaker; LVBD circuit; Hot swap connection (rectifier and control unit); Complete energy and infrastructure management; Local operation by keypad or computer (RS232); Ethernet interface (optional); Suitable for outdoor cabinet application; Wide temperature operational range ( 5 C to 70 C); ANATEL certification ( ). 18

19 RECTIFIER SYSTEM SR60A/ 48V 3U/19 power shelf; Redundant operation (3 x 900W + 1 x 900W); DC load distribution (6 breakers); 2 battery breakers; LVD circuit; Hot swap connection (rectifier and control unit); Complete energy and infrastructure management; Local operation by keypad or computer (RS232); Ethernet interface (optional); Suitable for outdoor cabinet application; Wide temperature operational range ( 5 C to 70 C); ANATEL certification ( ). 19

20 RECTIFIER SYSTEM TELECOM RECTIFIER SYSTEMS SR100A...SR2400A ( 48Vdc) 4 Rectifier Units ( 48V/3000W) )p per shelf (19 /1UH); Up to 2 power shelves (144kW/12UH); 1ф or 3ф AC input power sources; DPS protection; Allow sequential start up; CAN and Ethernet interfaces; Include battery and load distribution; Wide temperature operational range ( 5 C to 70 C); ANATEL certification ( ). Under development. 20

21 DISTRIBUTION SHELVES Customized AC or DC distribution units; Battery and load breakers or fuses; LVD circuit; AC breakers; AC or DC service outlet; Mains/Generator switch; Supervisory circuits; AC surge protection (MOV); Fan tray with control and supervisory circuits. DC DISTRIBUTION AC DISTRIBUTION FAN TRAY 21

22 DC/DC CONVERTER SYSTEMS Suitable for 3U height power shelf; Up to 5 modules in 19 power shelf width; Available on: o +24V/ 48V (800W/Module) o 48V/+24V (1000W/Module) Hot swap connection; Load sharing, suitable for redundant operation (N+1); Widetemperature operation range ( 5 C to 60 C). 22

23 INDOOR CABINETS Open and closed racks; Customized layouts; layouts Complete energy solutions; Energy and infrastructure management; Integration of telecom devices. devices 23

24 OUTDOOR CABINETS Cabinets for pole or ground installation; Customized layouts; Complete energy solutions; Energy and infrastructure management; Thermal solutions (double wall, cooling filters, heat exchanger, air conditioning, etc.); Environment tests at recognized laboratories (temperature, IP, salt spray, etc.); Integration of telecom devices. 24

25 FIBER OPTICAL PRODUCTS Outdoor and Indoor Optical Distribution Frames ; Racks and columns suitable to GPON room; Optical cables, connectors and splitters with ANATE L certification; Fiber cable assemblies with connectors according to costumer specification. 25

26 REMOTE POWER FEEDING Voltage Mode < > Central Up to 16 DC/DC converter modules ( 48V/±190V) with Monitoring Unit and Fan Tray at 3U/19 power shelf; Hot swap module (2 x 100VA); Web Browser, SNMP and USB; Comply with IEC safety standard; Safety start up; High efficiency (> 92%); Each central converter isable to feed one remote converter (wedding). Under development. Remote Up to 8 DC/DC converter modules (±190V/ 48V) per 19 /1UH; Hot swap module (2 x 85W ); Comply with IEC safety standard; Management of 3 inputs; Input reverse polarity protection; High efficiency (> 92%); Optional battery backup input for repair purpose; Recommended distance: up to 4km (45W+45W). 26

27 HYBRID ENERGY SOLUTIONS Under development. 27

28 GREEN ENERGY SOLAR INVERTERS Single phase and on grid solar inverters (transformless); Available on 1500W, 3000W and 4600W; MPPT efficiency over 99.5%; TDHi less than 5%; Comply with ABNT NBR 16149, ABNT NBR and ABNT NBR IEC

29 Contacts: Technical: Shelters: Commercial: Field Support: Web: 29