Fiber Optic Repair, Splicing & Testing in Chicagoland
Emergency fiber repair and network-down troubleshooting for commercial buildings, network backbones and customer sites. Fiber or copper Ethernet: MKK helps isolate the fault, repair connections and restore connectivity. Based in Schaumburg, serving Chicagoland. Call (312) 363-9857 for 24/7 emergency service availability.
Fusion Splicing, OTDR & SM/MM Troubleshooting
Local diagnostics and repair for commercial fiber links. We assess the existing cable, fiber type and site access before agreeing the work.
Fusion splicing
Repair damaged strands, splice replacement sections and restore connections at fiber panels and enclosures.
OTDR testing
Locate breaks and loss events, investigate degraded links and assess the repaired fiber path.
Single-mode & multimode troubleshooting
Check patching, connectors, link loss and compatibility between the fiber path and connected optics.
Documented results
Tell us about required wavelengths, test methods and report formats when requesting service so documentation requirements can be agreed before work.
Network Troubleshooting — Fiber & Copper Ethernet
When the network is down, we troubleshoot the connection end to end: fiber links, copper Ethernet cabling, patch panels, wall jacks, switches and connected equipment. We trace failed MDF–IDF and LAN connections, isolate the fault and coordinate with your IT team to restore service. Cat5e and Cat6 copper cabling is part of the service.
Copper Ethernet troubleshooting
Diagnose Cat5e/Cat6 cabling, patch cords, wall jacks and patch panels; repair or reterminate faulty connections as needed.
Remote IT coordination
We sync with your IT team remotely to minimize disruption and streamline setup.
Find the source of the outage
Check physical links, fiber optics and connected network equipment to identify what is preventing connectivity.
Service verification
Coordinate connectivity checks with your technical team before handoff.
Fiber optic service FAQ
If you have any further questions, please contact us.
Fiber or Network Down? Call MKK.
Call (312) 363-9857 for emergency fiber repair and general network troubleshooting, including copper Ethernet. Based in Schaumburg and serving commercial sites across Chicagoland. Call to confirm availability and estimated arrival time.