Darwin Abanes

Summary

A solid years of experience in Telecommunications Installation, Commissioning (Testing) and Maintenance of Wireless Local Loop (WLL), Mobile Trunk Radio System, Multiplexers, and Digital Microwave Radio. Operation and Maintenance of Ericsson Switch and Nortel Switch. Operation and Maintenance EADS (Nokia) TETRA System.

Work History

Work History

Telecom Engineer

Ministry Of Interior
  • Integration of additional TETRA Base Station, Dispatcher Station Controller (DSC) to Nokia DXTip Switch.
  • Installation, Commissioning and Testing of additional TETRA Base Station and additional TTRX in Base Station.
  • Installation, Commissioning and Testing of Nokia FlexiHopper Microwave Radio (7 GHz, 13 GHz and 18 GHz ) with FIU 19 and FIU 19E indoor unit. 4 x E1 to 16 x E1.
  • Installation, Configure and Testing of DN2, ACL2 cards, MUX2M cards and E1UN x 64 cards.
  • Operation and Maintenance of Nokia DXTip Switch, TETRA Base Station, Nokia FlexiHopper and SXC 200 Digital Cross Connect
  • Upgrading of Tetra Base Station (TBS) and Dispatcher Working Station softwares.
  • Operation and Monitoring of alarms in Network Management System (NetAct for Tetra).
  • Integrating and Creating of external alarm to Nokia DXTip Switch and uploading to Network Management System (NetAct for TETRA).
  • Programming of handheld radio such as THR 880, THR 880i THR 850, TMR 880 and TMR 880i with Phoenix as software.
  • Programming of Transceiver unit such as TMR 4X0 with PACO as software.
  • Creating of subscriber and its communication rights in Management Dispatcher Workstation (DWS).
  • Creating of Talk Groups and their communication rights in Management Dispatcher Workstation (DWS).
  • Installations, Testing and Maintenance of Dispatcher Station Controller (DSC) and Dispatcher Workstation (DWS).
  • Creating of Dispatcher Workstation (DWS).
  • Supervisise the installation of Motorola and Redline Wimax.
  • Configuration and commissioning of Motorola WiMax (point to point 400 & 600 series) and Redline WiMax (AN 30 & AN 50).
Dec 1999 - Apr 2001

Telecom Technician

Saudi Oger Limitted
  • Operation and Maintenance of PABX such as Ericsson Consono MD110, Ericsson ASB100 and Nortel Meridian 1.
  • Operation and Maintenance of MDF (Ericsson) and indoor network distribution.
  • Operation and Maintenance of Batteries and Chargers.
  • Operation and Maintenance of Busy Lamp Field (BLF) and Operator Console.
  • Programming of Digital and Analog Telephones.
  • Termination of 100 and 50 pair cables in Main Distribution Frame (MDF).
Dec 1996 - May 1999

Transmission / RF Engineer

Liberty Broadcasting Network Incorporated
  • Installation, Commissioning and Testing of Siemens & Nera SDH/PDH Microwave Radio and Telettra.
  • Preventive and Corrective Maintenance of Digital Microwave Radio’s such as Telettra(34Mb), Siemens SRT(STM-1), Nera NL291(STM-1), Nera NL188(8Mb), Siemens CTR 190(34Mb).
  • Installation, Commissioning and Maintenance of PDH and SDH Multiplexerand other related communication equipment.
  • Installation, Commissioning and Maintenance of Bayly E-1 PCM 30 Multiplexer, Low Noise Amplifier (LNA) and Band Pass Filter (BPF).
  • Installation, Commissioning and Maintenance of Wireless Local Loop (WLL).
  • Installation, Commissioning and Maintenance of Versa Phone and Trunking Site Controller.
  • Installation, Commissioning and Maintenance ofTelewave 8 channel Combiner, Cavity Filter and Dual Isolator.
  • Installation, Commissioning and Maintenance of Wide Area Private Land Base Mobile Repeater System using Microwave Links and Tellabs conference bridge modules with Connect System Inc. Full Duplex Autopatch.
  • Performs cross-connection of equipment.
  • Tuning of Telewave 8 Channel Combiner, Cavity Filter, Dual Isolator and Selectone Controller.
  • Troubleshooting and repairing of defective radio transceiver such as KYODO and GE Master II.
  • Conducts RF propagation.
  • Termination, Layover & Line Testing of cable/wiring at the Main and Intermediate Distribution Frames (MDF & IDF).
  • Utilize schematic diagrams and technical manuals to analyze and repair equipment components and circuit malfunctions.
  • Prepare installation plan and worksheet.

Education

Education

Skills

Skills

Can Operate Communication Softwares

·        Microssis Fiol, ProComm Plus, Telix, Skycom, TETRA WinMMI, Hyperterminal, Paco, Phoenix, MML and Nokia Hopper Manager.

Can Operate Test Equipment

·        Nokia Service Terminal TC2700 (Bit Hammer) ·        TETRA Communication Test Set, IFR 2968 ·        Digital Radio Test Set, IFR 3901 ·        GPS Equipment

Can Operate Test Equipment

·        Marconi Communication Service Monitor 2945 ·        Hewlett Packard 8920A RF Communication Test Set ·        Hewlett Packard 4934A Transmission Impairment Measuring Set (TIMS) ·        Bird Power Meter ·        Oscilloscope HP54602A 150MHz 4 Channels ·        R4952 EPROM Gang Programmer ·        Hewlett Packard Spectrum Analyzer ·        Marconi Microwave Test Set ·        HP Transmission Analyzer (BERT)