Cisco Switch and Router Electronics Repair
Cisco networking hardware is built to run for years, but the internal power supplies and control boards still age and fail like any other electronics. Sinsal assesses and repairs the electronics inside Cisco switches and routers at the component level, independently of Cisco.

Equipment Covered
- Cisco switches (access, distribution, and core models)
- Cisco routers
- Internal and external power supply units
- PoE modules
Common Faults
- Unit fails to power on or repeatedly reboots
- Specific ports fail to negotiate link speed or drop intermittently
- Fan or thermal-related shutdowns in poorly ventilated racks
- Power supply failure after years of continuous operation
Diagnostic Process
- Power-on and power-rail testing under load
- Port-level continuity and signal testing on flagged interfaces
- Visual and microscope inspection for heat damage and failed capacitors
- Component-level isolation of the failed part before repair is quoted
Brand Name Disclaimer
Brand names on this page are used only to describe the equipment Sinsal is able to assess and repair. Sinsal is independent and is not an authorised dealer, distributor, service centre, or partner of the manufacturer named, and this page does not imply any such relationship.
Common Questions
Is Sinsal an authorised Cisco service provider?
No. Sinsal is an independent electronics repair laboratory and is not authorised by, affiliated with, or endorsed by Cisco. Repair work is component-level electronics repair, not warranty or manufacturer-authorised service.
Does repair void any remaining Cisco warranty?
Third-party repair typically affects manufacturer warranty coverage — confirm your unit's warranty status before submitting it for independent repair.
Related Services
Have Equipment That Needs a Second Opinion?
Describe the equipment and the fault. Sinsal will confirm whether it's a fit for diagnostics and repair before any work begins.