Best Serial To Fiber Modem

DTECH 2 Port PCI-E Serial Card RS232 PCI Express Adapter COM Port Expansion for Desktop Computer PC Windows 10 8 7 XP Vista Linux Mac with 16C550 UART

2-port PCI express serial card turns a PCI-E expansion slot into 2 RS-232 DB9 serial port for your computer to connect multiple legacy serial devices.
Dual serial port card supports IRQ sharing and operates flawlessly with Windows 10, 8, 7, Vista, XP, 2000, ME, 98, Mac OS, Linux, etc.
PCI-E 1.0 a specification, Standard 16C550 UART signal.
PCI express combo card bracket with two RS232 serial interface uses WCH382 chip, high speed data communication transfer rate up to 250 Kbps.
Standard-height PCIe card bracket design allows the PCI to serial card to be installed in virtually any desktop computer case (full profile computer chassis).
An ideal serial expansion PCIe card adapter for fax modem, GSM modem, printer, barcode reader, cellular phone, PDA, POS machine, GPS, ISDN terminal adapter, satellite receiver, digital camera, hard drive, radio system, etc (If need driver installation guide , pls contact us directly via the order page.).

Simple Serial Null Modem extension cable (3 wire type and no hardware handshaking) extends a COM port connection between computer and some old device with RS-232 compatible.
(Not VGA-CABLE) Wired as a 9 pin serial port Null-Modem cord that 2-3 line are crosslinked (only TX/RX data and signal ground wires connected).
standard shielded rs232 extender cable with AL foil.
DB9 male to female crossover adapter extender equipped with screws on each end to ensure an easy and solid connection for stable data communication.
The wires inside are of 30AWG gauge and easy to solder to, and they connect to the pins in the order of the standard wire color code.
5 feet short DE9 serial extender cord m/f for hooking up RS232C equipment like scanner, Modem, printer, plotter, camera, barcode / embroidery machine, touchscreen, microcontroller, factory test equipment.

1.5ft male to female serial null modem cable (7 wire type and full handshaking) connects your computer to device with COM port RS-232 compatible interface.
Wired as a 9 pin serial port Null-Modem cord that 2-3, 4-6, 7-8 line are cross linked (TX,RX,RTS, CTS, DTR,DSR wires are connected).
standard shielded DE9 rs232 cable male to female with AL foil.
DB9 female to male connector on each end equipped with screws to ensure an easy and solid connection for stable data communication.
The wires inside are of 30AWG gauge and easy to solder to, and they connect to the pins in the order of the standard wire color code.
1.5 feet short null serial adapter m/f for hooking up PC laptop to some old RS232C equipment like PTZ, scanner, Modem, printer, plotter, camera, barcode / embroidery machine, touchscreen, microcontroller, factory test equipment.

CP2102+ZT232 usb serial null moldem DCE adapter cable for upgrading the old version desktop DB9 - DB9 cross wired null modem cable.
usb rs232 to db9 female adapter cable,CP2102+ZT232 chip..
This cable is mostly specially used in PC(host) - PC(host) communication, also called null modem cable.
Add a Null Modem RS232 serial port to your laptop or desktop computer through USB.This cable also can be used for PC control the TV, smart TV(as nowadays the TV is a computer).
Null modem PINOUT: DB9#2-TX(yellw), 3-RX(orang), 5-GND(blk), 7-CTS(green), 8-RTS(brown).

Netgear Certified Refurbished product is manufacturer refurbished to work and look as new with 90 Day Warranty and email support. All accessories are included with limited documentation and additional information online..
Eliminate monthly cable modem rental fee's ($120 or more a year)..
DOCSIS 3.0 Cable Modem with 1 Gigabit Ethernet port..
Up to 680Mbps download and upload speed. Separate router required for WiFi. 16x4 channel bonding.
Netgear Refurbished product may have a removed serial number. You will need to state the product is refurbished (state the full part number) if emailing customer support. See the attached (image) flyer to obtain the Serial Number and MAC Address information that maybe needed by your Cable provider before contacting them..