Darin Telecom Services

Our Passive Maintenance services for the Telecom Cell Site include.

• Comprehensive Maintenance.
• Non-Comprehensive Maintenance.
• Diesel Filling & EB Payment.

Preventive, Corrective, Routine and Breakdown Maintenance including Diesel Filling in the Cell Sites.

DTS provides DG maintenance, diesel filling, first level maintenance for DG, AMF Panel, UPS, Fire Alarm System, follow-up for alarms, order wire, battery voltage, level of distilled water in the secondary cells, battery charger, and electrical installation of the prefabs / building in case of any discrepancy report. etc.

• Preventive Maintenance services as per the SLA / SOW.
• Corrective Maintenance SLA & TTR.
• Electromechanical, air-conditioning servicing, and Overhauling in accordance with the specification by OEM / Customer.
• Breakdown Maintenance like tracking of alarms for site outages and link failures.
• Diesel filling according to the BEET PLAN to ensure the availability of HSD in the DG tank.

Preventive maintenance on the BTS and antenna system include:

• Voltage Standing Wave Ratio Measurements “VSWR” checking and rectification of reflections from connectors / jumpers / antennas.
• Connection Checks (Tightening of nuts & bolts, Cables, Isolators).
• TX/RX Calibrations.
• Checking all the BTS hardware— i.e. DXU, DRU, connection cables. and replacing if required.
• Radio Power Management.
• Validation of antenna orientations and corrections if required.

Preventive maintenance on the microwave and antenna system include:

• Transmission Change order services: Link Upgrades, change Transmission routing, etc.
• Sites Migration and re-parenting as per BSC design and Transmission Network design orders.
• Checking the RSL of M/W hubs with fine-tuning MW link if required and check connectors and cabling grounding of the antenna
• Check and maintain ODU and IDU fixation.

Our Passive Maintenance services cover the following Telecom Infrastructures:

• Power Plants.
• Diesel Generators.
• PMUs (Power Management Unit).
• Fire Alarm Systems.
• Battery Banks.
• Air Conditioners.
• Shelters.
• Servo Stabilizers.
• Spare Parts Managed Services
• Towers / Masts / Poles.
• Earth Pits.
• Other Electrical Elements.

DTS’s Managed Network services include:

• Active Maintenance of BTS and BSC
• Network Optimization
• Capacity Management

Active Maintenance of BTS and BSCs by DTS’s operation & maintenances.

DTS provides level-1 Active O&M services like fault monitoring & management, preventive and corrective maintenance for Base Station Subsystem elements made up of BTS and BSCs. Managed Network services include the following activities:

• Troubleshooting of BTS using Online Monitoring Tool (OMT).
• Fault localization on BSS equipment (BTS / BSC) and antenna system.
• Simple repair procedures and replace faulty hardware units.
• Testing after corrective actions like test calls, test external alarms and antenna system test.
• Monitoring internal and external alarms of BTS using the OMT.
• Troubleshooting of T1/E1 link to bring site on air.
• Periodic drive testing of BTS Site.
• Verification, up-grades / replacement of cards / devices.
• Firmware / hardware modification for cards / devices locally.
• Oversee replaced units.
• Logistics and documentation support for repair & return of faulty hardware units.

Projects:

Completed

• Passive maintenance 200 sites( South region)
• Passive maintenance to Data center(Basra Core)
• Passive maintenance 250 sites( Mosul & Sinjar)
• 80+ Sites ,Full Audit for microwave for Back Bone site for South routes
• 70+ Sites ,Test & analysis the microwave interference for back bone sites(South Routes for 6 & 7 GHz using spectrum devises)

Ongoing

• Field Maintenances(Passive & active) 900 + sites,2010 – present
• Fuel Supply for 900 + sites,2010 – present
• Passive Field Maintenances & fuel supply for 5 Core Projects
• Passive Field Maintenances & fuel supply for HQ & branch offices