2 Port ISA RS232 Serial Adapter Card with 16550 UART

Product ID: ISA2S550

Add 2 RS232 ports to legacy computer systems through an ISA slot

Features
  • Supports COM1-COM7 and IRQ 3,4,5,9,10,11,12,15 settings for each port

  • Full jumper set to ensure compatibility with almost any PC system

  • Supports the RS-232 interface

Prices may be lower from Resellers:

Government/Education


Find a Reseller near you
Available in
$26.99

ID: ISA2S550

In stock: +
USA: 583  |  Canada: 72

We will transfer stock to fulfill your order at no extra cost. If the quantity shown for our US warehouse isn’t enough to fulfill your order, we will transfer the required stock from our Canadian warehouse.


Reseller Pricing: Create an Account

Volume Order? Request a quote

StarTech.com's ISA-based RS232 Serial Card (16550 UART) can be installed in an ISA motherboard slot to add two RS232 serial COM ports, with support for data transfer rates of up to 460.8Kbps for peak serial device performance.

The ISA Serial Adapter Card includes drivers for DOS®, Windows® and LInux, and offers a full built-in jumper set to ensure easy configuration and broad compatibility.

A cost-effective solution for connecting serial modems, POS devices, PDAs, digital cameras, printers, ISDN terminal adapters and more, to a system, the ISA serial card is backed by StarTech.com's Lifetime Warranty and free lifetime technical support.

The StarTech.com Advantage
  • Built-in jumpers allow easy configuration to any free IRQ
  • Data transfer rates of up to 460.8 Kbits/sec. for peak serial device performance
  • Easy to install and use with full step-by-step instructions
Compatible With

View full OS compatibility

DOS, Windows 95, 98, ME; Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit); Linux

Applications
  • Manufacturing (CNC machinery, process control equipment, bar code scanners, serial printers)
  • POS (credit/debit card readers, receipt printers, bar code scanners, cash registers, scales)
  • Consumer (modems, PDAs, digital cameras, printers)
  • Security (UPS control, access key panels, video cameras, card readers, modems)
  • Casino (video lottery terminals, slot machines)
  • Environmental Control (lighting, temperature, clocks)
  • Healthcare (patient monitoring equipment, nurses' stations, modems)
  • Hotel Front Desk (serial printers, bar code scanners, keyboard, mouse, receipt printer, credit/debit card reader)
  • Hospitality/Restaurant (credit card/debit card reader, serial printers)
  • ISDN Networking
Product Numbers
Dell Harmony A0249826
TechData Dis 11200365
ASI Distribution USA 88337
D and H ISA2S550
Ingram Micro USA 221787
Synnex US STA-ISA2S550
UPC Code 065030785372
Warranty Information
Warranty Lifetime
Hardware
Ports 2
Interface Serial
Bus Type ISA
Card Type Standard Profile
Port Style Integrated on Card
Chipset ID ASIX/MosChip - MCS9820CV
Connector(s)
Connector Type(s) 1 - ISA (16-bit) Male
External Ports 2 - DB-9 (9 pin; D-Sub) Male
Performance
Serial Protocol RS-232
Max Baud Rate 460.8 Kbps
FIFO 16 Bytes
Software
OS Compatibility DOS, Windows 95, 98, ME; Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit); Linux
Environmental
Operating Temperature -10°C to 80°C (14°F to 176°F)
Storage Temperature -20°C to 100°C (-4°F to 212°F)
Humidity 5~85% RH
Packaging Information
Shipping (Package) Weight 0.3 lb [0.1 kg]
What's in the Box
Included in Package 1 - I/O CARD
1 - Instruction Sheet
Certifications
ISA Serial Adapter Card (RS232) with 16550 UART
ISA1S550

1 Port ISA RS232 Serial Adapter Card with 16550 UART

Add an RS232 port to legacy computer systems through an ISA slot

$10.99

In stock:   USA: 0  |  Canada: 15

We will transfer stock to fulfill your order at no extra cost. If the quantity shown for our US warehouse isn’t enough to fulfill your order, we will transfer the required stock from our Canadian warehouse.

3 ft DB25 to DB9 Serial Modem Cable - M/F

$6.99

In stock:   USA: 85  |  Canada: 87

We will transfer stock to fulfill your order at no extra cost. If the quantity shown for our US warehouse isn’t enough to fulfill your order, we will transfer the required stock from our Canadian warehouse.

6 ft DB25 to DB9 Serial Modem Cable - M/F
MC6MF

6 ft DB25 to DB9 Serial Modem Cable - M/F

Connect your computer’s serial port to a modem or switchbox

$8.99

In stock:   USA: 2007  |  Canada: 517

We will transfer stock to fulfill your order at no extra cost. If the quantity shown for our US warehouse isn’t enough to fulfill your order, we will transfer the required stock from our Canadian warehouse.

6ft Straight Through Serial Cable - DB9 M/F
MXT100

6ft Straight Through Serial Cable - DB9 M/F

Extend your EGA monitor cable or mouse cable by 6ft

$7.99

In stock:   USA: 1017  |  Canada: 205

We will transfer stock to fulfill your order at no extra cost. If the quantity shown for our US warehouse isn’t enough to fulfill your order, we will transfer the required stock from our Canadian warehouse.

25 ft Straight Through Serial Cable - DB9 M/F

$11.99

In stock:   USA: 249  |  Canada: 112

We will transfer stock to fulfill your order at no extra cost. If the quantity shown for our US warehouse isn’t enough to fulfill your order, we will transfer the required stock from our Canadian warehouse.

DB9 to DB25 Serial Cable Adapter - F/F
AT925FF

DB9 to DB25 Serial Cable Adapter - F/F

Convert a DB9 male port to a DB25 female port

$7.99

In stock:   USA: 993  |  Canada: 50

We will transfer stock to fulfill your order at no extra cost. If the quantity shown for our US warehouse isn’t enough to fulfill your order, we will transfer the required stock from our Canadian warehouse.

DB9 to DB25 Serial Cable Adapter - F/M
AT925FM

DB9 to DB25 Serial Cable Adapter - F/M

Convert a DB9 male port to a DB25 male port

$7.99

In stock:   USA: 657  |  Canada: 196

We will transfer stock to fulfill your order at no extra cost. If the quantity shown for our US warehouse isn’t enough to fulfill your order, we will transfer the required stock from our Canadian warehouse.

Slimline DB9 to DB25 Cable Adapter F/M
AT925SFM

Slimline DB9 to DB25 Cable Adapter F/M

Convert a DB9 male connector to a DB25 male connector

$6.99

In stock:   USA: 1719  |  Canada: 67

We will transfer stock to fulfill your order at no extra cost. If the quantity shown for our US warehouse isn’t enough to fulfill your order, we will transfer the required stock from our Canadian warehouse.

10 ft Cross Wired DB9 to DB25 Serial Null Modem Cable - F/M
SCNM925FM

10 ft Cross Wired DB9 to DB25 Serial Null Modem Cable - F/M

Connect your serial devices, and transfer your files

$7.99

In stock:   USA: 1940  |  Canada: 665

We will transfer stock to fulfill your order at no extra cost. If the quantity shown for our US warehouse isn’t enough to fulfill your order, we will transfer the required stock from our Canadian warehouse.

10 ft DB9 RS232 Serial Null Modem Cable F/F
SCNM9FF

10 ft DB9 RS232 Serial Null Modem Cable F/F

Transfer files via serial connection

$7.99

In stock:   USA: 28506  |  Canada: 1207

We will transfer stock to fulfill your order at no extra cost. If the quantity shown for our US warehouse isn’t enough to fulfill your order, we will transfer the required stock from our Canadian warehouse.

25 ft Cross Wired DB9 Serial Null Modem Cable - F/F

$14.99

In stock:   USA: 653  |  Canada: 51

We will transfer stock to fulfill your order at no extra cost. If the quantity shown for our US warehouse isn’t enough to fulfill your order, we will transfer the required stock from our Canadian warehouse.

10 ft DB9 RS232 Serial Null Modem Cable F/M
SCNM9FM

10 ft DB9 RS232 Serial Null Modem Cable F/M

Transfer files via serial connection

$8.99

In stock:   USA: 466  |  Canada: 192

We will transfer stock to fulfill your order at no extra cost. If the quantity shown for our US warehouse isn’t enough to fulfill your order, we will transfer the required stock from our Canadian warehouse.

6 ft Straight Through Serial Cable - DB9 F/F
MXT100FF

6 ft Straight Through Serial Cable - DB9 F/F

Connect two DB9 equipped serial devices

$7.99

In stock:   USA: 1333  |  Canada: 385

We will transfer stock to fulfill your order at no extra cost. If the quantity shown for our US warehouse isn’t enough to fulfill your order, we will transfer the required stock from our Canadian warehouse.

Share your opinions about this product

Thanks for sharing your opinions about the ISA2S550. When writing your review, please focus on the performance and quality of this product. Your comments will help guide others. If possible, include examples of how you use the product, things you like or things you wish were different about it.

We're here to help

If you need support or you want to comment on parts of your purchase experience aside from the quality or performance of the product such as shipping or any technical/customer support issue, etc., we’d be happy to help you through Live Chat, our support form or by phone.

* Product appearance and specifications are subject to change without notice.

* Same day shipping is only available for orders shipping within the United States.