StarTech.com RS232EXTC1 Serial DB9 RS232 Extender over Cat 5 - Up to 3300 ft
StarTech.com RS232EXTC1 Serial DB9 RS232 Extender over Cat 5 - Up to 3300 ft
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StarTech.com

StarTech.com RS232EXTC1 Serial DB9 RS232 Extender over Cat 5 - Up to 3300 ft

3.8 stars out of 4 reviews
(3.8)|
4 ratings

Key item features

  • RS232 Extender Local Unit
  • RS232 Extender Remote Unit
  • 20cm Null Modem cable (DB-9 Male to Male)
  • Power Adapter
  • User Manual
  • Enables use of separate control rooms away from harsh environmental conditions where serial devices may be located
  • Provides you with flexibility when choosing the location of your serial peripherals by dramatically increasing the maximum RS232 serial cable length
  • Pure hardware design, no software or drivers required ensuring a simple plug and play installation
Current price is $127.01
Price when purchased online
  • Free shipping
  • Free 30-day returns
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Columbus, 43215
Arrives by Sat, Feb 21
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Sold and shipped by Alliance-Supply
4.172413793103448 stars out of 5, based on 87 seller reviews(4.2)
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StarTech.com RS232EXTC1 Serial DB9 RS232 Extender over Cat 5 - Up to 3300 ft
StarTech.com RS232EXTC1 Serial DB9 RS232 Extender over Cat 5 - Up to 3300 ft
current price $127.01
StarTech.com RS232EXTC1 Serial DB9 RS232 Extender over Cat 5 - Up to 3300 ft
3.8 out of 5 Stars. 4 reviews
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Aten Intelligent KVM Cable - 10ft (2l5203up)
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3ft Serial DB9/DB9 Straight-thru RS232 Female to Female Cable
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Comparison Chart:
Connector typeDB9StarTech.com RS232EXTC1 Serial DB9 RS232 Extender over Cat 5 - Up to 3300 ft20 pin DisplayPortStarTech 10ft [3m] DisplayPort 1.4 Extension CablePS/2 to USBAten Intelligent KVM Cable - 10ft (2l5203up)DB93ft Serial DB9/DB9 Straight-thru RS232 Female to Female Cable
Cable length3300'StarTech.com RS232EXTC1 Serial DB9 RS232 Extender over Cat 5 - Up to 3300 ft9.84'StarTech 10ft [3m] DisplayPort 1.4 Extension Cable10 FeetAten Intelligent KVM Cable - 10ft (2l5203up)3.00 ft3ft Serial DB9/DB9 Straight-thru RS232 Female to Female Cable
ColorBlackStarTech.com RS232EXTC1 Serial DB9 RS232 Extender over Cat 5 - Up to 3300 ftBlackStarTech 10ft [3m] DisplayPort 1.4 Extension CableGrayAten Intelligent KVM Cable - 10ft (2l5203up)Black3ft Serial DB9/DB9 Straight-thru RS232 Female to Female Cable
Compatible brandsStarTech.comStarTech.com RS232EXTC1 Serial DB9 RS232 Extender over Cat 5 - Up to 3300 ftMonitorStarTech 10ft [3m] DisplayPort 1.4 Extension CableATENAten Intelligent KVM Cable - 10ft (2l5203up)HP3ft Serial DB9/DB9 Straight-thru RS232 Female to Female Cable
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StarTech.com RS232EXTC1 Serial DB9 RS232 Extender over Cat 5 - Up to 3300 ft $127.01

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Customer ratings & reviews

3.8 out of 5 stars
stars4 ratings4 reviews
How item rating is calculated
  1. 5 stars50% (2)
  2. 4 stars0% (0)
  3. 3 stars25% (1)
  4. 2 stars25% (1)
  5. 1 star0% (0)
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Showing 1-3 of 4 reviews

Sep 15, 2017
pneill
5 out of 5 stars review

worked very well, stable and consistent

we had a cat 5 run over 500 ft that ran from our hospitality front desk serial interface to the restaurant point of sale server, easy to install, i did use the power adapters as it was convenient to do so... worked very well, as advertised, would use it again.

Review from startech.com
Helpful?73TMDAXKZ3K339137947
Jan 31, 2017
Engsup
5 out of 5 stars review

Works well for our needs

The extender was purchased to control a camera on a tower outside our broadcast facility. The cable run was over 500' from the Control Room to the top of the tower. Installation was easy and the extender works great.

Review from startech.com
Helpful?73TMDAXKZ3K339137947
Feb 18, 2025
Chasman
3 out of 5 stars review

Behaves Like a Null-Modem Cable

Be advised that this serial extender behaves like a null-modem cable and carries only the CTS and RTS signals in addition to transmit and receive. The included null-modem cable can be used to effectively reverse the null-modem behavior, but that is not at all intuitive. The extender seemed to work fine once I understood the behavior, but I wasted quite a bit of time getting to that point. It would be best if StarTech made the behavior clear in both their marketing materials and their manual, which is the main reason for my rating.

Review from startech.com
Helpful?73TMDAXKZ3K339137947
reply from Customer Support

Thank you for taking the time to leave a review for our RS232EXTC1. We are sorry to hear that you experienced difficulty with our serial extender. Our Technical Advisors have reached out to troubleshoot with you.