Your Browsing History
- In Stock
- Sold by Newegg
- Make an Offer
- New
Any questions? Our AI mode will help you find out quickly.
Try me now

DIY Friendly Innovations
Shop GIGA-BYTE TECHNOLOGY

Quick View
StarTech ICUSB234854I USB to RS-232/422/485 Serial Adapter - 4 Port - Industrial - 15 kV ESD Protection - USB to Serial Adapter - USB to Serial Hub
- Type: 4-Port Industrial USB to RS-232/422/485 Serial Adapter
- Color: Black
- Changer Type: USB to RS-232/422/485 Serial
- Specifications: Converts a single USB port into four RS232/RS422/RS485 serial ports over USB 2.0 with four modes: RS232, RS422, 4-wire and 2-wire RS485 15 kV ESD protection (Level 4) against noise emissions and electrical voltage surges DIN rail and wall mountable Rugged IP30 rated metal hub housing and screw-locking host connection, ideal for harsh industrial environments Data transfer baud rate up to 921.6Kbps COM port expansion with COM retention Powered by USB, and features plug-and-play installation
- Model #: ICUSB234854I
- $281.99 –
- More options from $281.99 - $344.15
- Free Shipping

Quick View
APC BK350 Back-UPS CS 350 - UPS - External - Standby - AC 120 V - 210 Watts / 350 VA - Interfaces : 1 x management - RS-232 - 9 pin D-Sub (DB-9), 1 x USB - 4 pin USB Type B - 3 x NEMA 5-15R
- Outlets: 6
- Output Frequency: 50/60Hz +/- 3 Hz
- Battery Recharge Time: 8 hour(s)
- Series: Back-UPS
- Model #: BK350
- $129.99
- $128.99 –
- Free Shipping

Quick View
PX-10S-RS-R40 Industrial Computer 7*PCI 4.0 ISA Bus Slot Industrial Passive Backplane Full-Length CPU Card Support ATX/AT Power Interface
- Model #: WDF-F7173
- $197.79 –
- Free Shipping

Quick View
IP-10S-RS-R40 Industrial Computer 4*PCI Bus Slot Industrial Passive Backplane CPU Card 5*ISA Slot Support ATX/AT Power Interface
- Model #: WDF-F7105
- $169.29 –
- Free Shipping

Quick View
PCIE AX99100 4S DB9 RS232 Serial Port Card Controller Card PCI Express asix 99100 Chip 4 ports rs-232 to pci-e com Adapter cable
- Model #: ooc-0140934
- $52.80 –
- Free Shipping

Quick View
BUCIER DB44 pin to DB9 pin cable 4 Port DB9 RS-422 serial adapter cables for PCI card to 4 x RS422/485 cards
Limited time offer, ends 09/05
- Model #: 4687964762
- $39.39 –
- Free Shipping

Quick View
For RS4 Mini Carrying Case PU Handbag Shockproof Anti-Scratch Splashproof for RS 4 Mini Handheld Stabilizer Accessories
- Model #: HHYM-914
- $42.97 –
- Free Shipping

Quick View
For RS4 Mini Carrying Case PU Protective Travel Box Shockproof Splashproof for RS 4 Mini Handheld Stabilizer Accessories
- Model #: OSKD9J1285
- $47.45 –
- Free Shipping

Quick View
For RS 4 Mini Carrying Case PU Portable Bag Shockproof Protective Travel Box Protective Case Stabilizer Accessories
- Model #: LLMLL-1863
- $42.90 –
- Free Shipping

Quick View
For RS4 Mini Carrying Case PU Portable Bag Shockproof Protective Case Splashproof for RS 4 Mini Accessories Case
- Model #: SLGJ-1716
- $42.11 –
- Free Shipping

Quick View
For RS 4 Mini Carrying Case PU Protective Travel Box Anti-Scratch Handbag Protective Case for RS 4 Mini Accessories Case
- Model #: SLGJ-1721
- $42.54 –
- Free Shipping

Quick View
Bag for RS 4 Gimbal Stabilizer Carrying Case Handbag Anti-Scratch Portable Protective Travel Case Accessories
- Model #: LIWQI-1050
- $46.48 –
- Free Shipping

Quick View
Aomoproing 4 Port rs-232 to Pcie controller card 4 DB-9 serial rs232 ports pcie controller card WCH384Lchipset support windows 10
- Model #: oo-492
- $53.66 –
- Free Shipping

Quick View
IOCREST 4 DB-9 Serial (RS-232) Ports PCI Controller Card with Fan-out Cable, IOC845 Chipset, Support Low Profile Bracket
- Model #: ooc-0140962
- $56.43 –
- Free Shipping

Quick View
USB 2.0 To 4 Ports RS232 DB9 9pin COM Port Converter Serial Multiplier Adapter Controller RS-232 Hub Plug usb2.0
- Model #: ooc-0141006
- $62.70 –
- Free Shipping

Quick View
USB to 4 Port RS232 DB9 Serial Splitter Support win10 4 com to usb2.0 rs-232 cable
- Model #: ooc-0141082
- $79.94 –
- Free Shipping

Quick View
MOSCHIP MCS9865 PCI to serial card RS-232 serial port expansion cards (4) 9-pin com RS232 port integrated
- Model #: ooc-0141021
- $65.84 –
- Free Shipping

Quick View
PCIE CH384L 4S DB9 RS232 Serial Port Card Controller Card PCI Express 384 Chip 4 ports rs-232 to pci-e com Adapter
- Model #: ooc-0140712
- $33.00 –
- Free Shipping

Quick View
Aomoproing PCI express 4 port Serial card Industrial Multi RS-232 DB9 COM port adapter for Serial Networking Monitoring Equipment
- Model #: oo-449
- $45.59 –
- Free Shipping

Quick View
PCL-746+ 4-Port RS-232/RS-422/RS-485 For Advantech Communication Card
- Model #: CCOOC-0046789
- $277.34 –
- Free Shipping

Quick View
DB44 pin to DB9 pin cable 4 Port DB9 RS-422 serial adapter cables for PCI card to 4 x RS422/485 cards
Limited time offer, ends 08/20
- Model #: 279847823
- $32.89 –
- Free Shipping

Quick View
- $79.70 –
- Free Shipping

Quick View
IOCREST 4 Port rs-232 to Pcie controller card 4 DB-9 serial rs232 ports pcie controller card WCH384Lchipset support windows 10
- Model #: ooc-0140866
- $46.20 –
- Free Shipping

Quick View
UT-860 USB 2.0 to 4 Ports RS232 Adapter Convertor DB9 COM RS-232 Serial Port Multiplier USB2.0 TO RS232 HUB
- Model #: ooc-0141262
- $228.00 –
- Free Shipping

Quick View
USB 2.0 to 4 Ports RS232 Adapter Convertor DB9 COM RS-232 Serial Port Multiplier USB2.0 TO RS232 HUB
- Model #: ooc-0141218
- $144.40 –
- Free Shipping

Quick View
4-Port RS-232 Manual Switch with Metal Housing, 4 in 1 Out DB9 Serial Port Sharing Switcher, Manual Serial Switch Box for PC, Printer and Industrial Serial Communication Devices
Limited time offer, ends 09/11
- Model #: C472-L3381
- $42.36 –
- Free Shipping

Quick View
DB44 to DB9 Serial Adapter Cable, 4 Port DB9 RS-422 Breakout Cable, DB44 Pin to 4 DB9 Pin Cord for PCI Card to RS422/RS485 Expansion Card Connection
Limited time offer, ends 09/11
- Model #: C472-L3569
- $35.86 –
- Free Shipping

Quick View
Adjustable Sling Handgrip Gimbal Sling Handle For RS4 RS 4, RS 4 Pro, RS 3 Mini, RS 3, RS 3 Pro Stabilizer Grip
- Model #: E93GUIO-724
- $38.14 –
- Free Shipping

Quick View
Aomoproing FOR DB44 pin to DB9 pin cable 4 Port DB9 RS-422 serial adapter cables for PCI card to 4 x RS422/485 cards
- Model #: l-349
- $37.31 –
- Free Shipping

Quick View
PCI-1611U For Advantech 4-port RS-422 / 485 Universal PCI Communication Card With Surge Isolation Protection
- Model #: CCOOC-0046843
- $377.79 –
- Free Shipping

Quick View
BUCIER Metal Case 4 Port Manual Rs-232 Switch for Pc Sharing to Serial Device 4 in 1 Out for Computer Printer Communication
Limited time offer, ends 09/05
- Model #: 4687964864
- $45.89 –
- Free Shipping

Quick View
Aomoproing 4 port Serial RS232 RS-232 COM port to PCI-e Express PCIE Adapter with Cable 9904 Chip
- Model #: oo-514
- $83.67 –
- Free Shipping

Quick View
Aomoproing IOCREST 4 Port rs-232 to Pcie controller card 4 DB-9 serial rs232 ports pcie controller card WCH384Lchipset support windows 10
- Model #: zo-2810
- $41.65 –
- Free Shipping

Quick View
Aomoproing DB44 pin to DB9 pin cable 4 Port DB9 RS-422 serial adapter cables for PCI card to 4 x RS422/485 cards
- Model #: zo-2601
- $27.32 –
- Free Shipping

Quick View
Aomoproing PCIE CH384L 4S DB9 RS232 Serial Port Card Controller Card PCI Express 384 Chip 4 ports rs-232 to pci-e com Adapter
- Model #: zo-2598
- $28.45 –
- Free Shipping





