network test qualified cable performance tester human hand detail |
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| navigate by keyword : accessories black blue bus buttons cable cabling case cat6 certified check closeup colored colorful communication computer connection connector data detail detect device diagnostics digital display electrotechnics engineer equipment ethernet expert gauge green hand hold human industrial information install internet lan maintenance measurement measuring modem network occupation pair panel patch person port probe problem professional qualified rack red router service signal specialist structured support switch tech technical technician technology telecom tester testing tool transmission twisted utp white wire working yellow |
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| Data signal measurement. Colorful cables connected in patch panels of rack case. Working IT specialist. Professional maintenance |
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