Mustafa Mamdouh

• Preparing the technical specifications of telecommunication systems for modernization of the Cairo/Alexandria logistics CATLDP (LOT1, LOT2, and LOT3) ( Cairo / Beni-suef line) - (Tanta / El_Mansoura / Demiatta line):

- Core communication network (SDH - OTN - IP-MPLS)

- Administrative Voice Communication (AVC)

- Operational Voice Communication (OVC)

- Dispatching system and VHF coverage design

- Voice logging Recorder (VLR)

- Network Time Protocol (NTP)system

- cyber security

• Studying the Telecommunication offers for the following Egyptian National Railways projects.

- Cairo/Alex line

- Benha / Portsaid line

- Cairo / Beni-suef line

- Beni-Suef / Asyut line

- Asyut / Nag' Hammadi line

- Nagh-Hammadi/Luxor line

• Reviewing the detailed design and low-level design for the modernization of signaling and telecommunication projects (CCN - optical fiber networks - PABX OVC/AVC - voice recording system - clock system) for the current projects of Egyptian National Railways.

- Cairo / Alex line

- Benha / Portsaid line

- Cairo / Beni-suef line

- Beni-Suef / Asyut line

- Asyut / Nag' Hammadi line

- Nagh-Hammadi/Luxor line

• Renovation project of the Microwave Network for ENR.

- preparation the RFP (Technical Specification) of the Tender

- Studying the technical offer for the Microwave system

- Reviewing the detailed design Technical Documents, including Link budget, Microwave equipment (RTN 950 - Optixtrans E66106 & E6608 multiplexer - Clocking system (SYNLOCK T8010) - CCTV - NMS (NCE) Management system and power system.

- Insuring the integration processes for all sub-systems

-Reviewing the basic and detailed design document of the communication systems.

- execution of Site acceptance tests and reviewing the test reports for all communication systems and the integration test with the other systems.

- Reviewing and approve the material / cabinets / cables / accessories of the communication system.

• Preparing the Request For Proposal (Technical Specification) for supplying, installation, testing & commissioning and putting into service for a Hybrid PABX system as (1+1 hot-standby servers with shadowing technique) in addition of disaster recovery server

- Studying the technical offers for the proposed PABX system

- Reviewing the Detailed Documents and ensuring that the offered system match the technical specifications

- Supervising the site acceptance test for all stages of the installed system (servers / Media Gateways / power supply system / configuration and trunk lines)

• Preparing the Request for Proposal (RFP) (Technical specification for supplying, installation, testing & commissioning and putting into service for 38 VHF Base transceiver Station (BTS)

- Studying the technical offers for tenderer

- Execute the technical practical tests for the offered sample

-Ensuring that the offered equipment fully matched to be interfaced with the existing Multiplexer and Microwave Equip.

• Preparing the Request for Proposal (Technical Specification) for suppling, installation, Testing & commissioning and putting into service for 500 VHF Radios for Locomotives
• Management of maintenance procedures at all Telecommunication centers along the Railroad
• Reviewing all Maintenance reports for all Telecom sys.

• Maintenance Engineer for Telecommunication and Signaling Systems ( Dammam / Al Riyadh ) Railway Corridor.

- Maintenance of Optical Fiber network ( OTN (Nokia/ Siemens - 600Mb/s).

-Maintenance of GSM-R BTS equipment.

- Testing and Maintenance of optical fiber cables

- Testing and Maintenance of copper cables.

- Installation and Maintenance of Electronic Interlocking System (EIS) (SIMIS-IS)

- Installation and commissioning of ETCS-level 1 (Fixed Data Balise - Transparent Data Balise - LEU) using programing device TPG and LEU Handheld.

• Installation, Programming and Maintenance of Telecommunication systems

- Microwave system (Digital Interface Unit - Radio Frequency Unit)

-TDM Digital Multiplexers type BAYLY and all sub-interfaces (4 Wire E&M - FXS - FXO - E1)

- VHF (Base Transceiver Station) BTS type TAIT (T800 II - TB8100)

- Dispatching system type Zetron Model 4020

- Designing and configuration Digital PABX (Avaya - HARRIS - DIKOS210) for connection Tie trunks (4 wire E&M / E1)

• Testing optical fiber cable Faulty using OTDR
• planning and calculating the required power consumption for Telecom Equipment for using suitable Rectifiers, battery sets and UPS system