Serial Cards
Serial cards are expansion cards that add serial ports to a computer system. These ports are used to connect devices like modems, mice, barcode scanners, and printers. Serial cards usually come in PCI or PCIe form factors and are used in desktop computers, servers, and industrial systems that require additional serial connectivity. These cards provide reliable and high-speed communication between the computer and external devices, making them essential for businesses and industries that rely on serial communication. Serial cards offer flexibility, scalability, and improved efficiency by expanding the number of serial ports available in a system. Add more serial ports to your system with Serial Cards for seamless connectivity.
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Arnet MA-165-02 Rev.3 MultiPort-2 IBM PC ISA Serial I/O Card 8-Port RS-232
Arnet
$65.00Was: $125.00Arnet MA-165-02 Rev.3 MultiPort-2 IBM PC ISA Serial I/O Card 8-Port RS-232The Arnet MA-165-02 MultiPort-2 is an 8-port asynchronous serial I/O expansion card designed for IBM PC, PC/XT, and PC/AT systems using the ISA bus. Produced in 1988, this card...46775- SKU:
- 46775
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 2.00 LBS
- Brand:
- Arnet
- Model:
- MA-165-02
- MPN:
- MA-165-02
- Secondary Model:
- MultiPort-2
- Hardware Revision:
- Rev. 3
- SKU:
- 46775
- Type:
- Multi-Port Serial I/O Expansion Card
- Interface Type:
- RS-232 Serial
- Number of Ports:
- 8
- Bus Interface:
- ISA (Industry Standard Architecture)
- Connector Type:
- DB-25 (25-pin D-sub)
- Compatible With:
- IBM PC, PC/XT, PC/AT and ISA-bus compatible systems
- Form Factor:
- ISA Expansion Card
- Condition:
- Used – Inspected and in Good Condition
- Country/Region of Manufacture:
- United States
- Seller Notes:
- Card only; no cables or software included.
- Year of Manufacture:
- 1988
- Condition Notes:
- Arnet MA-165-02 MultiPort-2 ISA serial I/O card. Inspected and in good condition. PCB is clean, no visible damage or missing components. DB-25 bracket intact. Light age wear consistent with vintage 1988 hardware.
$65.00Was: $125.00 -
Kensington Microware EPC020400 8-Bit ISA RS-232 Serial Expansion Card SiS 82C450
Kensington Microware
$25.00Was: $50.00Kensington Microware EPC020400 8-Bit ISA RS-232 Serial Expansion Card SiS 82C450The Kensington Microware EPC020400 is an 8-bit ISA RS-232 serial expansion card manufactured by Kensington Microware Limited, dated 1989–1990 and marked Version 1.0. It adds...47370- SKU:
- 47370
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 0.95 LBS
- Brand:
- Kensington Microware
- Model:
- EPC020400
- MPN:
- EPCB020400
- Type:
- 8-Bit ISA RS-232 Serial Expansion Card
- SKU:
- 47370
- Chipset:
- SiS 82C450
- Bus Type:
- ISA (8-bit)
- Interface:
- RS-232 (Serial)
- Connector Type:
- DB9 Male (9-pin)
- Number of Serial Ports:
- 1
- Form Factor:
- Half-Length ISA Card
- FCC ID:
- EMJADC00D
- Board Revision:
- Version 1.0
- Manufacture Date:
- 1989–1990
- Compatible With:
- IBM PC/XT and compatibles with 8-bit ISA slot
- Condition:
- Used – Pulled from Working Environment
- Seller Notes:
- Card only; no cables or accessories included.
- Country/Region of Manufacture:
- Canada
- Condition Notes:
- Kensington Microware EPC020400 ISA RS-232 serial card. Inspected, in good condition. Pulled from a working environment where it was functional. PCB clean, no visible damage. DB9 and ISA contacts look good.
$25.00Was: $50.00 -
Widget World 9406 V1.2 RS-232 to RS-422 Bidirectional Converter Card DCE DTE
Widget World
$25.00Was: $50.00Widget World 9406 V1.2 RS-232 to RS-422 Bidirectional Converter Card DCE DTEThis is a PCB-based converter card that translates signals between RS-232 and RS-422 serial interfaces in both directions. It supports selectable DTE or DCE operation via DIP...40896- SKU:
- 40896
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 1.00 LBS
- Brand:
- Widget World
- Model:
- 9406
- MPN:
- 9406 V1.2
- Type:
- RS-232 to RS-422 Bidirectional Converter Card
- SKU:
- 40896
- Interface:
- RS-232, RS-422
- Conversion Direction:
- Bidirectional
- DTE/DCE Selection:
- Selectable via DIP switch (XW1B: DTE/DCE)
- Connector Type:
- DB25
- Configuration:
- 8-position DIP switch (XW1A, positions 1–8)
- Form Factor:
- Card / PCB Module
- Version:
- V1.2
- Condition:
- Used – Inspected and in Good Condition
- Seller Notes:
- Card only; no enclosure or external cables included.
- Country/Region of Manufacture:
- Unknown
- Condition Notes:
- Widget World 9406 V1.2 RS-232 to RS-422 Converter Card. Inspected and in good condition. PCB is clean; DIP switches, terminal block, and DB25 connector appear intact. Please contact us with any questions.
$25.00Was: $50.00 -
Sharp JW-10SU Serial I/F Module PLC JW Series 2-Port RS-232C DB25 DB15
Sharp
$85.00Was: $175.00Sharp JW-10SU Serial I/F Module PLC JW Series 2-Port RS-232C DB25 DB15The Sharp JW-10SU is a Serial Interface Module designed for use with Sharp's JW Series programmable logic controller (PLC) systems. It adds two independent RS-232C serial communication...47758- SKU:
- 47758
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 2.00 LBS
- Brand:
- Sharp
- Model:
- JW-10SU
- MPN:
- JW-10SU
- Type:
- Serial Interface Module
- SKU:
- 47758
- Seller Notes:
- Module only; no cables or programming software included.
- Country/Region of Manufacture:
- Japan
- Form Factor:
- Card/Module
- Compatible With:
- Sharp JW Series PLC Systems
- Interface Type:
- RS-232C
- Number of Ports:
- 2
- Port 0 Connector:
- DB25 (Port 0 / Programmer)
- Port 1 Connector:
- DB15 (Port 1)
- Backplane Interface:
- JW Series PLC backplane connector
- Condition Notes:
- Sharp JW-10SU Serial Interface Module. Inspected, in good used condition. Pulled from a working environment where it was in active use. Housing shows normal wear; both serial ports and backplane connectors intact and undamaged. Module only.
$85.00Was: $175.00 -
Inmac 1901 Clear Signal T-Switch Serial A/B Switch 2-Device DB25 RS-232
Inmac
$20.00Was: $40.00Inmac 1901 Clear Signal T-Switch Serial A/B Switch 2-Device DB25 RS-232Manual rotary A/B switch for routing serial RS-232 data between two devices and one common port. Routes one input to one of two outputs via 25-pin DB25 connectors.Specifications &...47176- SKU:
- 47176
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 3.00 LBS
- Brand:
- Inmac
- Model:
- 1901
- MPN:
- 1901
- Type:
- Serial A/B Data Transfer Switch
- SKU:
- 47176
- Number of Devices:
- 2
- Switch Configuration:
- A/B (T-Switch)
- Connector Type:
- DB25 (25-pin)
- Interface:
- RS-232 Serial
- Number of Ports:
- 3 (A, B, Common)
- Switching Method:
- Manual rotary knob
- Form Factor:
- Desktop
- Country/Region of Manufacture:
- United States
- Product Line:
- Clear Signal
- Division:
- Data Com Division
- Seller Notes:
- Unit only; no cables included. Inspected and pulled from a working environment.
- Condition Notes:
- Inmac 1901 Clear Signal serial A/B switch inspected and in good condition. Pulled from a working environment. Housing shows age-related yellowing and light surface wear. All DB25 ports intact; rotary selector knob operates freely.
$20.00Was: $40.00 -
Excellink SPort II RS-232 RS-422 Serial Interface Card Module 901-18481T
Excellink
$25.00Was: $50.00Excellink SPort II RS-232 RS-422 Serial Interface Card Module 901-18481TThe Excellink SPort II is an RS-232/RS-422 serial interface card produced by Excellink Inc. of San Jose, CA. It provides dual-standard serial communications (RS-232 and RS-422) via a...45725- SKU:
- 45725
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 1.00 LBS
- Brand:
- Excellink
- Model:
- SPort II
- MPN:
- 901-18481T
- SKU:
- 45725
- Type:
- RS-232/RS-422 Serial Interface Card
- Interface Type:
- RS-232, RS-422
- Connector Type:
- DB-25 (25-pin D-sub female), Internal ribbon header
- Form Factor:
- Card/Module
- Seller Notes:
- Card only; inspected and in good condition.
- Country/Region of Manufacture:
- United States
- Compatible With:
- Excellink chassis/systems requiring SPort II serial interface
- Condition Notes:
- Excellink SPort II RS-232/RS-422 Serial Interface Card. Inspected and in good condition. Bracket and DB-25 connector intact, PCB clean with no visible damage. Please view photos and contact us with any questions.
$25.00Was: $50.00 -
JCC 800310 8-Bit ISA Serial Communication Card 25-Pin DB25 10 DIP Switch
JCC
$45.00Was: $90.00JCC 800310 8-Bit ISA Serial Communication Card 25-Pin DB25 10 DIP SwitchThis is an 8-bit ISA serial communication card designed for legacy computer systems. It provides RS-232 serial connectivity via a 25-pin DB25 connector and uses a 10-position DIP...43831- SKU:
- 43831
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 1.00 LBS
- Brand:
- JCC
- Model:
- 800310
- MPN:
- 800310
- Type:
- ISA Serial Communication Card
- SKU:
- 43831
- Bus Type:
- ISA (8-bit)
- Data Width:
- 8-bit
- Connector Type:
- 25-Pin DB25
- Interface:
- RS-232 Serial
- DIP Switches:
- 10-position Grayhill DIP switch
- Form Factor:
- Half-Length ISA Expansion Card
- Main Controller IC:
- HM8250B
- Logic ICs:
- GoldStar GD75189A, 74ALS125N, 74CTLS2115N
- Country/Region of Manufacture:
- Korea
- Compatible With:
- IBM PC, PC/XT, and 8-bit ISA slot systems
- Condition:
- Used – Inspected and Pulled from Working Environment
- Seller Notes:
- Card only; no cables or accessories included.
- Condition Notes:
- JCC 800310 8-bit ISA serial card inspected and in good condition. PCB clean, no visible damage. DB25 connector and bracket show light wear from prior use. DIP switch intact. Please contact us with any questions.
$45.00Was: $90.00 -
Zenith 85-3335-01 8/16-Bit ISA I/O Card DB25 Parallel DB9 Serial Port 031786
Zenith
$35.00Was: $70.00Zenith 85-3335-01 8/16-Bit ISA I/O Card DB25 Parallel DB9 Serial Port 031786This is an ISA expansion card that adds serial and parallel port connectivity to Zenith and IBM-compatible computers. The card provides one DB9 serial port and one DB25 parallel...43770- SKU:
- 43770
- Availability:
- Usually ships within 1-2 business days.
- Weight:
- 1.00 LBS
- Brand:
- Zenith
- Model:
- 85-3335-01
- MPN:
- 85-3335-01
- Secondary Model:
- 031786
- Type:
- ISA I/O Expansion Card
- SKU:
- 43770
- Bus Type:
- ISA (8/16-bit)
- Interface:
- ISA
- Serial Port:
- DB9 (9-pin)
- Parallel Port:
- DB25 (25-pin)
- Form Factor:
- Full-Length ISA Card
- Compatible With:
- Zenith ISA-bus PCs and IBM-compatible ISA systems
- Country/Region of Manufacture:
- Malaysia
- Condition:
- Used – Inspected
- Seller Notes:
- Card only. Inspected and appears to be in good condition.
- Condition Notes:
- Zenith 85-3335-01 ISA I/O card inspected and in good used condition. DB9 serial and DB25 parallel connectors intact. Normal wear from prior use. No visible damage to PCB or components.
$35.00Was: $70.00