Serial Cards

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.

  • Cisco MN-4T Four-Port Serial Network Module — angled top view showing PCB, main processor chip, and four DB-60 serial port faceplate Cisco MN-4T Four-Port Serial Network Module — PCB reverse/underside view showing main ASIC, support ICs, and edge connector

    Cisco MN-4T Four-Port Serial Network Module NM-4T WAN Router Card

    Cisco Systems

    $25.00
    Was: $50.00
    Cisco MN-4T Four-Port Serial Network Module NM-4T WAN Router CardThis is a four-port serial WAN network module designed for Cisco modular routers. It provides DB-60 Smart Serial connectivity for wide-area network configurations.Specifications &...
    37170
    SKU:
    37170
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    1.00 LBS
    Brand:
    Cisco
    Model:
    MN-4T
    MPN:
    MN-4T
    Secondary Model:
    NM-4T
    Type:
    Four-Port Serial WAN Network Module
    SKU:
    37170
    Number of Ports:
    4
    Port Type:
    DB-60 Serial (Smart Serial)
    Interface Type:
    Serial WAN
    Compatible With 1:
    Cisco 2600 Series Routers
    Compatible With 2:
    Cisco 3600 Series Routers
    Compatible With 3:
    Cisco 3700 Series Routers
    Form Factor:
    Network Module / Card
    Supported Protocols:
    Frame Relay, PPP, HDLC, X.25
    Condition:
    Used – Inspected and in Good Condition
    Seller Notes:
    Module only; no cables or accessories included.
    Country/Region of Manufacture:
    Taiwan
    Condition Notes:
    Cisco MN-4T Four-Port Serial Network Module. Inspected and in good condition. Board and faceplate show normal wear from prior use. All 4 DB-60 serial ports intact. Please view photos and contact us with questions.
    $25.00
    Was: $50.00
  • Magitronic A-B232 Mini 2S1P 8-bit ISA I/O card shown with original box, B232 Mini 2S1P User's Manual, ribbon cable, and bracket accessories laid out on a pink surface Magitronic A-B232 Mini 2S1P 8-bit ISA card top view showing PCB with multiple ICs, jumper block, DB25 parallel port bracket connector, and 8-bit ISA edge connector

    Magitronic A-B232 Mini 2S1P 8-Bit ISA I/O Card 2 Serial 1 Parallel w/ Manual

    Magitronic

    $55.00
    Was: $100.00
    Magitronic A-B232 Mini 2S1P 8-Bit ISA I/O Card 2 Serial 1 Parallel w/ ManualThe Magitronic A-B232 is a Mini 2S1P 8-bit ISA multiport I/O card that adds two serial (COM) ports and one parallel (LPT) printer port to a PC via a single half-length ISA slot...
    28935
    SKU:
    28935
    Availability:
    Usually ships within 1–2 business days.
    Weight:
    0.95 LBS
    Brand:
    Magitronic
    Model:
    A-B232
    MPN:
    A-B232
    Type:
    8-Bit ISA Serial/Parallel I/O Card
    SKU:
    28935
    Bus Interface:
    8-Bit ISA
    Number of Serial Ports:
    2
    Number of Parallel Ports:
    1
    Port Configuration:
    2S1P (2 Serial, 1 Parallel)
    Form Factor:
    Half-Length ISA Card
    Controller Chip:
    Motorola MC1489 (UART line receiver)
    Plug and Play:
    No — requires manual jumper configuration
    Compatible With:
    IBM XT, AT, 286, 386, 486 with 8-bit ISA slots
    Connector Type:
    DB25 parallel, DB9/DB25 serial (via cable)
    Country/Region of Manufacture:
    Taiwan (made in Taiwan, R.O.C.)
    Condition:
    New – Old Stock, New in Original Box
    Seller Notes:
    Includes original box, user's manual, cable, and bracket
    Condition Notes:
    Magitronic A-B232 Mini 2S1P 8-Bit ISA I/O Card. New in original box from a computer store that closed ~30 years ago. Never installed or used. Includes manual, cable, and bracket.
    $55.00
    Was: $100.00
  • Magitronic A-B232 8-bit ISA serial parallel card shown with original black Magitronic box and external parallel port bracket Magitronic A-B232 ISA I/O card front view showing ISA edge connector, ICs, DB25 parallel port and DB9 serial port on bracket, with separate external DB25 bracket

    Magitronic A-B232 8-Bit ISA Serial Parallel Card 2 Serial 1 Parallel Port 615

    Magitronic

    $45.00
    Was: $90.00
    Magitronic A-B232 8-Bit ISA Serial Parallel Card 2 Serial 1 Parallel Port 615The Magitronic A-B232 is an 8-bit ISA multi-port I/O expansion card that adds two RS-232 serial ports and one parallel port to an ISA-bus desktop PC. The card installs in any...
    28680
    SKU:
    28680
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    2.00 LBS
    Brand:
    Magitronic
    Model:
    A-B232
    MPN:
    A-B232
    Type:
    8-Bit ISA Serial/Parallel I/O Card
    SKU:
    28680
    Bus Type:
    ISA (8-bit)
    Number of Serial Ports:
    2
    Number of Parallel Ports:
    1
    Serial Interface:
    RS-232
    Serial Connector Type:
    DB9 (9-pin)
    Parallel Connector Type:
    DB25 (25-pin)
    Form Factor:
    Half-length ISA card with external bracket
    Jumper Configurable:
    Yes — multiple jumper settings
    Board Revision / Label:
    615
    Condition:
    Open Box – New and unused, original box included
    Seller Notes:
    Includes original Magitronic box and external DB25 parallel bracket
    Compatible With:
    IBM PC/XT, IBM PC/AT, 8-bit ISA slot systems
    Country/Region of Manufacture:
    Taiwan
    Condition Notes:
    Magitronic A-B232 ISA Serial/Parallel Card — new and unused, open box. Original Magitronic box included; may have been previously opened. Card shows no use. External bracket included.
    $45.00
    Was: $90.00
  • Dataproducts 260674-002 Serial I/F PCB card – full top-side component view showing gold finger edge connector and Dataproducts logo Dataproducts 260674-002 PCB card – close-up of P/N label showing 260674-002 C1 revision marking

    Dataproducts 260674-002 C1 Serial I/F Assy PCB Card Rev B 272142-001

    Data Products

    $25.00
    Was: $50.00
    Dataproducts 260674-002 C1 Serial I/F Assy PCB Card Rev B 272142-001Serial interface PCB card designed for Dataproducts printers and peripheral systems. This gold finger module provides serial communication functionality for compatible equipment...
    28510
    SKU:
    28510
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    2.00 LBS
    Brand:
    Dataproducts
    Model:
    260674-002
    MPN:
    260674-002
    Secondary Model:
    272142-001
    Hardware Revision:
    Rev B
    PCB Revision:
    C1
    Type:
    Serial Interface PCB Card
    Form Factor:
    Gold Finger Card / PCB Module
    Interface Type:
    Serial
    Chipset:
    National Semiconductor DM74154N; BB620A+
    Compatible With:
    Dataproducts printers and peripheral systems
    Condition:
    Used – Inspected
    SKU:
    28510
    Seller Notes:
    Card only; no cables or accessories included.
    Country/Region of Manufacture:
    United States
    Condition Notes:
    Dataproducts 260674-002 Serial I/F PCB card. Inspected and in good condition. Normal handling wear from prior use. Gold finger connector looks clean, no obvious damage to board or components.
    $25.00
    Was: $50.00
  • Arcom Sercom 8 8-port serial STE-bus controller board – top component side with blue STE-bus edge connectors Arcom Sercom 8 serial controller board – rear three-quarter view showing gold-finger STE-bus connector and IC layout

    Arcom Sercom 8 8-Port Serial STE-Bus Process Controller Board RS-232

    Arcom

    $90.00
    Was: $175.00
    Arcom Sercom 8 8-Port Serial STE-Bus Process Controller Board RS-232 This is an 8-port serial controller board designed for STE-bus embedded industrial systems. It provides RS-232 serial connectivity and process control functions using Zilog Z85C3008VSC...
    26960
    SKU:
    26960
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    3.00 LBS
    Brand:
    Arcom
    Model:
    Sercom 8
    MPN:
    Sercom 8
    SKU:
    26960
    Condition:
    Used – Pulled from Working Environment
    Seller Notes:
    Board only; no cables or accessories included.
    Form Factor:
    Card / Module
    Bus Interface:
    STE-Bus
    Number of Ports:
    8
    Interface Type:
    RS-232 Serial
    Serial Controller IC:
    Zilog Z85C3008VSC SCC
    Line Driver ICs:
    DS1488N, MC1488P
    Board Revision:
    V1 Issue 3
    Compatible With:
    STE-bus embedded industrial systems
    Country of Manufacture:
    United Kingdom
    Condition Notes:
    This Arcom Sercom 8 8-port serial STE-bus controller board has been inspected and appears to be in good condition. It was pulled from a working environment where it was previously in use and functional.
    $90.00
    Was: $175.00
  • Zenith 85-3332-01 Parallel Serial ISA Card – angled top view showing 8-bit ISA edge connector and 37-pin D-sub bracket connector Zenith 85-3332-01 Parallel/Serial Board – close-up of PCB silkscreen label showing part number, date code 052087, and logic ICs including SN74LS32N, SN74LS174N, and Toyocom crystal oscillator

    Zenith 85-3332-01 Parallel Serial Board ISA Card 8-Bit 37-Pin XT PC 052087

    Zenith

    $45.00
    Was: $90.00
    Zenith 85-3332-01 Parallel Serial Board ISA Card 8-Bit 37-Pin XT PC 0520878-bit ISA expansion card providing serial and parallel port functionality for IBM XT and compatible systems. Connects via 37-pin D-sub connector to enable bidirectional data...
    21556
    SKU:
    21556
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    2.00 LBS
    Brand:
    Zenith
    Model:
    85-3332-01
    MPN:
    85-3332-01
    Secondary Model:
    181-6332-20-1
    Type:
    Parallel/Serial ISA Expansion Card
    SKU:
    21556
    Bus Type:
    8-Bit ISA
    Connector Type:
    37-Pin D-Sub
    Form Factor:
    Half-Length ISA Card
    Compatible With:
    IBM XT and Compatible PCs with 8-bit ISA Bus
    Interface:
    Serial and Parallel
    Date Code:
    052087
    Condition:
    Used – Inspected and in Good Condition
    Seller Notes:
    Card only; requires a special 37-pin Serial/Parallel cable (not included).
    Country/Region of Manufacture:
    Brazil
    Condition Notes:
    Zenith 85-3332-01 Parallel/Serial ISA Card inspected and in good condition. PCB is clean, 37-pin D-sub connector intact. Requires special 37-pin Serial/Parallel cable (not included). Please contact us with any questions.
    $45.00
    Was: $90.00
  • StarTech ST16C552CJ ISA serial parallel expansion card – component side showing ST16C552CJ UART chip and ISA edge connector StarTech ST16C552CJ ISA serial parallel card – solder side showing PCB traces and board markings 4197

    StarTech ST16C552CJ ISA Serial Parallel Expansion Card 2S 1P DB9 DB25 4197-01

    StarTech

    $27.00
    Was: $50.00
    StarTech ST16C552CJ ISA Serial Parallel Expansion Card 2S 1P DB9 DB25 4197-01The StarTech ST16C552CJ is an 8-bit ISA expansion card that adds two RS-232 serial ports and one Centronics-compatible parallel port to IBM PC/AT-class desktop computers using a...
    18547
    SKU:
    18547
    Availability:
    Usually ships within 1–2 business days.
    Weight:
    0.95 LBS
    Brand:
    StarTech
    Model:
    ST16C552CJ
    MPN:
    4197-01
    Secondary Model:
    4197-01
    SKU:
    18547
    Type:
    ISA Serial/Parallel Expansion Card
    Chipset:
    XR ST16C552CJ (TL16C552 dual UART + parallel)
    Bus Interface:
    ISA (8-bit)
    Number of Serial Ports:
    2
    Number of Parallel Ports:
    1
    Serial Connector Type:
    DB9 Male (RS-232)
    Parallel Connector Type:
    DB25 Female (Centronics-compatible)
    Compatible With:
    IBM PC/AT and compatible desktop computers
    Interface:
    RS-232 Serial, Centronics Parallel
    Form Factor:
    Half-length ISA expansion card
    Crystal Oscillator:
    ILSI 18.432 MHz
    Condition:
    Used – Pulled from Working Environment
    Seller Notes:
    Card only; no software or documentation included.
    Country/Region of Manufacture:
    Taiwan
    Condition Notes:
    StarTech ST16C552CJ ISA serial/parallel card (4197-01) pulled from POS computers. Inspected; PCB clean, no visible damage. DB9 and DB25 connectors intact. Card only, no software included.
    $27.00
    Was: $50.00