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Small black rectangular coupler with two RJ-45 female ports

STARTECH

STARTECH RJ45COUPLER Cat5e RJ-45 Inline Coupler adapter

SKU CH-ZKFJ-G9TT5 MPN RJ45COUPLER

Joins two RJ-45 cables into one longer run using female-to-female connectors

  • ColorBlack
  • Cable LengthNo
  • Extends network reach by joining two Cat5e cables
  • Female-to-female RJ-45 ports accept standard patch leads
  • RoHS compliant materials meet environmental standards
  • Compact inline design fits tight cable runs
  • Lifetime warranty backs long-term reliability

Cat5e RJ-45 Inline Coupler

This Cat5e RJ-45 inline coupler joins two terminated Ethernet cables into a single longer run. It provides a straight-through connection between two RJ-45 female ports for network extension tasks. The beige adapter suits installers and home users who need a quick, tool-free way to link existing patch leads. RoHS compliance confirms it meets restricted-substance requirements.

Cat5e Performance Limits

The coupler is rated for Cat5e performance, so it supports the bandwidth and crosstalk limits defined by that standard. Signal integrity depends on the quality and length of the cables attached to each side. Exceeding the total channel length allowed for Cat5e may introduce errors or reduce throughput. No active circuitry is present to boost or regenerate the signal.

Replaces Cable Pulling and Keystone Joins

This coupler replaces the need to pull a single long cable or terminate a keystone jack when two shorter cables are already available. It is worth using when re-termination is impractical or when a temporary join is required in a structured cabling environment. It does not suit installations that demand shielded connections or higher category performance such as Cat6 or Cat6a. Buyers who need shielded couplers or PoE power injection should look elsewhere.

Highlights

  • Extends network reach by joining two Cat5e cables
  • Female-to-female RJ-45 ports accept standard patch leads
  • RoHS compliant materials meet environmental standards
  • Compact inline design fits tight cable runs
  • Lifetime warranty backs long-term reliability

Specifications

BrandStarTech.com
ColorBlack
Cable LengthNo
Shipping weight0.01 kg
Package size102 × 86 × 17 mm

Questions about this item

Should I pick this coupler or a longer patch cable for my Cat5e run?

Use the RJ45COUPLER to join two existing Cat5e patch cords when a single longer cable is not available.

What does the Cat5e rating mean once the coupler is installed?

The coupler maintains Cat5e performance, supporting Gigabit Ethernet speeds across the joined connection.

How does the RJ-45 female interface limit the link in practice?

Each female port accepts a standard RJ-45 plug, so the link stays at Cat5e rates without conversion.

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