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RJ45 to RS232, DB9 9-Pin Serial Port Female to RJ45 Cat5 Ethernet LAN Console 9.8Ft
LFHUKEJI

RJ45 to RS232, DB9 9-Pin Serial Port Female to RJ45 Cat5 Ethernet LAN Console 9.8Ft

Bottom line: The LFHUKEJI RJ45 to RS232: DB9 female to RJ45 female for two-way serial-to-network data transmission; main trade-off: only works on gear with a labeled "console" port.

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Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

Pros & Cons

Pros

  • ✓ DB9 female to RJ45 female for two-way serial-to-network data transmission
  • ✓ 9.8ft reach connects rack switches to a desk PC
  • ✓ Oxygen-free copper conductors for clear signal
  • ✓ Double-shielded to block signal interference

Cons

  • ✗ Only works on gear with a labeled "console" port
  • ✗ No support for printers or other non-console devices
  • ✗ Female-to-female ends may need an adapter for some setups
  • ✗ Legacy RS232/DB9 needs a serial port or USB adapter on the PC

SpecPicks Verdict

SpecPicks scored LFHUKEJI RJ45 to RS232 using a rating × review-volume × price-fit model applied to published specs and reviews across the cables & connectors category. LFHUKEJI's cables & connectors lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for cables & connectors of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • DB9 RS232 female to RJ45 female cable for TCP/IP network interface with the doual-way conversion, with the serial port network function, support serial data and network data bi-directional transparent transmission
  • Connect the equipment serial port to the RJ45 "console "port on routers, the cable can help engineer through the PC update the network device settings and device understratum operating
  • Compatible with most routers switch on the market.Please note that your device interface must have the "console" identification character.We do not support devices such as printers that do not have a "console" port.
  • Oxygen-free copper transmission wire, high-speed clear signal transmission
  • Double-shielded standard to ensure that signal transmission without interference

Full Specifications

BrandLFHUKEJI
ColorBlack
ModelGU13
Cable TypeEthernet
Item ShapeRound
Unit Count1 Count
Item Length9.8 feet
Part NumberGU13
CompatibilityPC, Switch
Connector TypeRJ45, USB
Number of Pins17
Number of Items1
Special FeatureHigh Speed
Connector GenderFemale-to-Female
Specification MetCE
Compatible DevicesPersonal Computer
Data Transfer Rate9.8 gigabits_per_second
Indoor Outdoor UsageIndoor
Customer Package Typesealed anti-static bag
Compatible Phone ModelsNo Compatible Phone Models

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RJ45 to RS232, DB9 9-Pin Serial Port Female to RJ45 Cat5 Ethernet LAN Console 9.8Ft is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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