Get a $25 Newegg Promo Gift Card when you spend $250+ between 1/17/26 and 1/19/26. Learn More>
  • Sold by Newegg
  • New
SubCategory
Show More
Brands
Show More
Price
Show More
All Top Brands
Condition
Sold by
Useful Links
Customer Ratings
avatar

Any questions? Our AI beta will help you find out quickly.

Sort By:
View:
A Pair UTEK RS232 RS485 RS422 Single-Mode Single Fiber Optic MODEM RS-232 RS-485 RS-422 Optical-Fiber Converter With Optional SC FC ST Interface UT-2577SM UT-2578SM
Quick View
  •  
  • $169.19 
  • Free Shipping
  • $167.99 - $169.19
UOTEK USB to RS485 RS422 Converter USB2.0 8 Ports Adapter with Optical Isolation Surge & ±15KV ESD Protection UT-2003A
Quick View
  •  
  • $387.20 
  • Free Shipping
  • $386.00 - $387.20
UTEK Industrial RS232 to RS485 RS422 Optoelectronic Isolated Converter Adapter with Lightning Surge Protection DB9 Connector UT-2016
Quick View
  •  
  • $54.20 
  • Free Shipping
  • $53.00 - $54.20
UTEK RS232 RS485 to Canbus Converter with Protocol Industrial Grade RS232 RS485 CAN BUS Adapter Terminal Block Connector Isolation UT-2506A
Quick View
  •  
  • $89.19 
  • Free Shipping
  • $87.99 - $89.19
UTEK USB to RS-485 RS-422 Converter USB2.0 4 Ports RS485 RS422 Adapter Serial DB9 Connector Optical isolation ESD UT-861A
Quick View
  •  
  • $195.19 
  • Free Shipping
  • $193.99 - $195.19
UT-203 RS232 to RS422 converter 485/422 232 converter switch 422 adapter
Quick View
UT-203 RS232 to RS422 converter 485/422 232 converter switch 422 adapter

Limited time offer, ends 01/20

  • Model #: CL-UTEK-28
UT-820E 1-port USB to RS-485/422 Serial Converter with ESD protection
Quick View
UT-820E 1-port USB to RS-485/422 Serial Converter with ESD protection

Limited time offer, ends 01/20

  • Model #: CL-UTEK-25
Commscope UNJ600-OR Uniprise Cat6 M-Series Modular Jack, Orange
Quick View
  •  
  • $11.99 
  • Free Shipping
Commscope UNJ600-RD Uniprise Cat6 M-Series Modular Jack, Red
Quick View
  •  
  • $9.99 
  • Free Shipping
UOTEK 4.92ft USB to RS232 RS485 RS422 Converter Serial Adapter USB2.0 Cable DB9 Connector WinXP/7/8/8.1/10 UT-8890
Quick View
UOTEK 4.92ft USB to RS232 RS485 RS422 Converter Serial Adapter USB2.0 Cable DB9 Connector WinXP/7/8/8.1/10 UT-8890
  • Type: converter
  • Cable Length: 1.5m
  • Connector A: USB-A MALE
  • Connector B: DB9 MALE
  • Model #: UT8890
  •  
  • $24.79 
  • Free Shipping
Direct from UOTEK Direct from UOTEK
UOTEK RS232 RS485 RS422 to RS485 RS422 Addressable Converter Isolation  Industrial Grade RS-232 RS-485 RS-422 Connector UT-5209
Quick View
  •  
  • $116.36 
  • Free Shipping
Direct from UOTEK Direct from UOTEK
UOTEK Industrial Grade RS-485 RS-422 Repeater with Isolation Trunk Circuit RS485 RS422 UT-209
Quick View
UOTEK Industrial Grade RS-485 RS-422 Repeater with Isolation Trunk Circuit RS485 RS422 UT-209
  • Type: Converter
  • Connector A: DB9 female
  • Connector B: DB9 male
  • Model #: UT-209
  •  
  • $52.09 
  • Free Shipping
Direct from UOTEK Direct from UOTEK
UOTEK RS-232 to RS-485 Converter RS232 To RS485 Conversion Adapter DB9 Connector RS-485 Each Line 600W Lightning Surge ProtectIion With Power UT-2216
Quick View
  •  
  • $32.26 
  • Free Shipping
Direct from UOTEK Direct from UOTEK
UOTEK RS-232 to RS-485 Converter Industrial Grade RS485 RS232 Adapter DB9 Connector with Isolation Surge & ESD Protection UT-502 Plug & Play
Quick View
UOTEK RS-232 to RS-485 Converter Industrial Grade RS485 RS232 Adapter DB9 Connector with Isolation Surge & ESD Protection UT-502 Plug & Play
  • Type: Converter
  • Connector A: DB9 female
  • Connector B: 10-pin terminal block
  • Dimensions: 29*17*7cm
  • Model #: UT-502
  •  
  • $57.39 
  • Free Shipping
Direct from UOTEK Direct from UOTEK
UOTEK USB to RS-485 RS-422 Converter USB2.0 4 Ports RS485 RS422 Adapter Serial DB9 Connector Optical isolation ESD UT-861A
Quick View
  •  
  • $131.56 
  • Free Shipping
Direct from UOTEK Direct from UOTEK
UOTEK Industrial Grade RS-485 2 Ports Repeater with Optoelectronic Isolation RS485 Trunk Circuit Terminal Block ESD Protection Plug & Play UT-520
Quick View
  •  
  • $64.19 
  • Free Shipping
Direct from UOTEK Direct from UOTEK
1Pair UOTEK Industrial Grade RS-232 Serial Extension Driver Converter RS232 Adapter UT-2212 Long Distance Extender Connector
Quick View
1Pair UOTEK Industrial Grade RS-232 Serial Extension Driver Converter RS232 Adapter UT-2212 Long Distance Extender Connector
  • Type: Extender
  • Max Extend Distance: 1.2km
  • Connector A: DB9
  • Connector B: RJ45
  • Model #: UT-2212
  •  
  • $83.90 
  • $16.00 Shipping
Direct from UOTEK Direct from UOTEK
UOTEK USB to RS-485 RS-422 Converter USB2.0 RS485 RS422 RJ45 Conversion Adapter Connector UT-820E with Optical Isolation Auto Detection
Quick View
  •  
  • $50.77 
  • Free Shipping
Direct from UOTEK Direct from UOTEK
UOTEK Industrial Grade RS-485 RS 485 Repeater RS485 with Optical Isolation 600W Lightning Surge ±15KV ESD Protection UT-2209
Quick View
  •  
  • $28.99 
  • $11.01 Shipping
Direct from UOTEK Direct from UOTEK
UOTEK 4.92ft USB to RS485 RS422 Cable Converter USB-A Serial Adapter DB9 Connector Translucent Magnetic Ring UT-850N
Quick View
UOTEK 4.92ft USB to RS485 RS422 Cable Converter USB-A Serial Adapter DB9 Connector Translucent Magnetic Ring UT-850N
  • Type: Converter
  • Cable Length: 4.92ft
  • Connector A: USB-A male
  • Connector B: DB9 male
  • Model #: UT-850N
  •  
  • $13.08 
  • $8.04 Shipping
Direct from UOTEK Direct from UOTEK
UOTEK USB to RS-232 4 Ports Converter RS232 Conversion Adapter Industrail Grade USB 2.0 Serial 9-Pin COM DB9 Connector ESD Protection WinXP/Vista/7/8/8.1/10/CE/Mac/Linux UT-860
Quick View
  •  
  • $98.00 
  • Free Shipping
Direct from UOTEK Direct from UOTEK
Chenyang UT-013-5PCS 5pcs/lot Lightning Protection RJ45 UTP STP CAT6 CAT5e Female to Female Network Lan Adapter Extender
Quick View
  •  
  • $11.88 
  • Free Shipping
Direct from ChenYang Direct from ChenYang
UOTEK Mini RS-232 to RS-422 Converter RS422 RS232 Conversion Adapter DB9 Connector No Power Required Bidirectional UT-202D
Quick View
UOTEK Mini RS-232 to RS-422 Converter RS422 RS232 Conversion Adapter DB9 Connector No Power Required Bidirectional UT-202D
  • Type: CONVERTER
  • Connector A: DB9 female
  • Connector B: DB9 male,with terminal block
  • Model #: UT-202D
  •  
  • $14.89 
  • Free Shipping
Direct from UOTEK Direct from UOTEK
UOTEK Industrial RS232 to RS485 RS422 Converter with Isolation Surge ±15KV ESD Protection DB9 Connector Supports All Operating System UT-218
Quick View
  •  
  • $52.09 
  • Free Shipping
Direct from UOTEK Direct from UOTEK