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ACCESS CONTROL
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When attending to a repeater ,or pop these are the steps to follow;
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1. Contact NOC or Support and sign up for keys.
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2. Carry a valid Company Identification.
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3. If the site contacts are available the Engineer should ask NOC / SUPPORT to inform the building management of the pending visit and its purpose. (Some buildings require a letter before allowing Access, the technical coordinator will prepare it on request) ;
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4. Visit the site with a car clearly to identify the company.
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5. On arrival to the site the engineer should present the relevant particulars ( Letters /ID) to the building management and security officers for approval.
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6. When Access is granted , proceed with the work.
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Completion of tasks
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1. Make sure the door is shut and locked up..
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2. Surrender the keys to NOC/SUPPORT
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3. Sign out of the log book.
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EVERYDAY HOUSEKEEPING
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REPEATER - internal
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1. COOLING - Make sure the repeater is cool (ceiling fan and/or air conditioner working). If not escalate to SUPPORT /NOC to follow up.
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2.LABELLING - After installation of radio or indoor units. Make sure all cables are clearly labelled.( patch cables, power cables, power units).
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3. CLEANSINESS - always leave place in tidy manner, better than you found it (throw away all trash and all unwanted components).
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REPEATER - Tower
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TBA
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SCHEDULE MAINTENANCE
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Scheduled maintenance is to be carried out at regular periods , at least once every year for each REPEATER OR POP.
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TASK SHEET
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REPEATER / POP
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1. Dust -Blow the dust from all active components.
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2. Labelling - labelling all components.
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3. Sweeping - The floor area should always clear of any particles and objects.
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ELECTRICALS
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1. AIR CONDITIONER - Cleaning of the Air conditioner by qualified technicians.
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2. BATTERY - Maintenance and measurement of the output.
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3. INVERTER - conditional check
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TOWERS
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1. All towers to be regularly assessed for rust and painted if condition necessitates
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SCENARIO 1
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POWER MONITOR
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If the power monitor is DOWN for more than 6 hours
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SOLUTION
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Contact the building management send an engineer to attend
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CHECK
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1. Electricity source (Tanesco)
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2. MCB for a Tripped Circuit.
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3. Faulty AVS/AVR.
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4. FAULTY power monitor (router) if everything else ok.
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If problem is found with the above escalate to electrician
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SCENARIO 2
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GENERAL POWER FAILURE
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In the case of a general power failure.
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1. Check the power source for the switch and the state of switch.
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2. Check status of UPS plugged into the switch.
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3. Check the INVERTER functionality. (LED)
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4. Check theBATTERY source.
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5. Check the AVS/AVR
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6. Check the power availability.
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IF any problem is found with any of the above escalate to the electrician or NOC/SUPPORT
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SCENARIO 3
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POWER Fluctuations
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1. Check the UPS
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2. Check the INVERTER.
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3. Check the BATTERY source.
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4. Check the POWER SOURCE for low voltage.
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WIMAX BSDU
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If the WIMAX Bsdu goes down. check power supply unit. and replace.
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