Modems

Modems

Modems are electronic devices used for transmitting digital data over analog communication lines. They serve as a crucial component in establishing internet connectivity by modulating and demodulating digital signals. Modems are essential for converting digital information generated by computers into a format that can be transmitted over telephone lines or cable channels. They come in various types, including DSL modems, cable modems, and wireless modems, each tailored to specific connectivity needs. Modems play a vital role in enabling communication between devices and networks, allowing users to access the internet and transfer data seamlessly.Upgrade your connectivity with reliable and high-speed Modems for uninterrupted internet access.

  • Astrocom 4100 Software Defined Multiplexer front panel view showing 32 port activity indicators, LCD display, and rackmount ears Astrocom 4100 Multiplexer rear panel showing 32 DB-25 RS-232 ports, large Mux connector, IEC power inlet, power switch, and cooling fan

    Astrocom 4100 M075601010 Software Defined Multiplexer 32-Port RS-232 110V

    Astrocom

    $55.00
    Was: $100.00
    Astrocom 4100 M075601010 Software Defined Multiplexer 32-Port RS-232 110VThe Astrocom 4100 is a rackmount software defined statistical multiplexer designed to aggregate multiple asynchronous RS-232...
    14539
    SKU:
    14539
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    22.00 LBS
    Brand:
    Astrocom
    Model:
    4100
    MPN:
    M075601010
    Secondary Model:
    MO75601010
    Type:
    Software Defined Multiplexer
    SKU:
    14539
    Condition:
    As-Is / For Parts or Not Working
    Seller Notes:
    Sold AS-IS; includes unit with 32 RS-232 ports and 1 Mux port
    Country/Region of Manufacture:
    United States
    Form Factor:
    Rackmount
    Power Requirements:
    110V AC, 60Hz
    Number of Ports:
    32 RS-232 (25-pin) + 1 Mux port (25-pin)
    Interface Type:
    RS-232
    Connector Type:
    DB-25 (25-pin)
    Data Rate:
    19.2K
    Configuration:
    16P RM STAT ONLY 19.2K RS232
    Date Code:
    12-90-4
    Management Type:
    Software Defined
    Phase:
    Single Phase
    Condition Notes:
    Astrocom 4100 M075601010 Software Defined Multiplexer sold AS-IS for parts or repair. Not tested; no functionality guaranteed. Physically complete. Please view photos and contact us with questions.
    California Prop 65 Warning:
    WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
    $55.00
    Was: $100.00
  • Adtran DSU II AR J131C front panel showing ADTRAN logo, LED display reading OPEN, TEST STATUS CONFIG buttons, SCROLL dial, CANCEL ENTER buttons, and PRI SEC LED status indicators Adtran DSU II AR front panel close-up showing DSU II AR branding, PRI and SEC LED indicator rows labeled RS CS TD RD CD TR SR and CS TD RD, MENU SCROLL CONFIG TEST STATUS controls

    Adtran DSU II AR J131C T1 DSU CSU RS-232 V.35 Primary Secondary Channel

    Adtran

    $35.00
    Was: $70.00
    Adtran DSU II AR J131C T1 DSU CSU RS-232 V.35 Primary Secondary ChannelThe Adtran DSU II AR is a standalone T1 DSU/CSU (Data Service Unit / Channel Service Unit) designed for digital WAN connectivity...
    15019
    SKU:
    15019
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    5.00 LBS
    Brand:
    Adtran
    Model:
    DSU II AR
    MPN:
    J131C
    SKU:
    15019
    Type:
    T1 DSU/CSU (Data Service Unit / Channel Service Unit)
    Condition:
    As-Is / For Parts or Not Working
    Interface Type:
    RS-232, V.35, Telco RJ48S
    Number of Ports:
    4 (Primary RS-232, Primary V.35, Secondary Channel, Telco)
    Connector Type:
    DB25 (RS-232), DB37 (V.35), DB25 (Sec Channel), RJ48S (Telco)
    Data Rate:
    T1 1.544 Mbps
    Power Requirements:
    115V AC, 60Hz
    Form Factor:
    Desktop
    FCC Registration:
    HDCUSA-65263-DE-N
    Standards Compliance:
    FCC Part 68, USOC Jack Type RJ48S, UL Listed
    Country/Region of Manufacture:
    United States
    Seller Notes:
    Sold as-is for parts or repair. Powers on only — not fully tested.
    Condition Notes:
    Adtran DSU II AR J131C T1 DSU/CSU powers on only — not fully tested. Sold as-is for parts or repair, no functionality guarantee. Cosmetically intact. Please review photos and contact us with questions.
    California Prop 65 Warning:
    WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
    $35.00
    Was: $70.00
  • Fujitsu Speedport FC9660RA12 DSL modem top view with two included RJ-11 phone cables Fujitsu Speedport FC9660RA12 front panel close-up showing Power, Modem, and Data LED indicators and DSL by Orkit branding

    Fujitsu Speedport FC9660RA12 DSL Modem IP-ATUR-ETH2 POTS ADSL Desktop

    Fujitsu

    $20.00
    Was: $45.00
    Fujitsu Speedport FC9660RA12 DSL Modem IP-ATUR-ETH2 POTS ADSL DesktopThis is a desktop DSL modem designed to provide ADSL internet connectivity over standard telephone lines. It supports both POTS...
    18273
    SKU:
    18273
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    6.00 LBS
    Brand:
    Fujitsu
    Model:
    FC9660RA12
    MPN:
    FC9660RA12
    Secondary Model:
    IP-ATUR-ETH2
    Type:
    DSL Modem (ADSL/ATUR)
    Product Line:
    Speedport
    FCC ID:
    IP-ATUR-ETH2
    Interface Type:
    POTS / Ethernet
    Standards:
    ADSL (ATUR)
    LED Indicators:
    Power, Modem, Data
    Form Factor:
    Desktop
    Includes:
    Two RJ-11 phone cables
    Country/Region of Manufacture:
    Israel
    SKU:
    18273
    Condition:
    As-Is / For Parts or Not Working
    Seller Notes:
    Sold as-is. Includes two RJ-11 phone cables. Not tested.
    Condition Notes:
    Fujitsu Speedport FC9660RA12 DSL modem sold as-is, untested, not guaranteed functional. Two RJ-11 phone cables included. For parts or repair. Please view photos and contact us with questions.
    California Prop 65 Warning:
    WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
    $20.00
    Was: $45.00
  • MultiTech MT932BA MultiModem II desktop external modem — top and front panel view showing LED indicators MultiTech MT932BA MultiModem II rear panel showing PHONE and LINE RJ-11 jacks, DB-25 RS-232 port, volume control, and power switch

    MultiTech MT932BA MultiModem II Intelligent Modem RS-232 V.42 Fax Voice Data

    MultiTech Systems

    $40.00
    Was: $80.00
    MultiTech MT932BA MultiModem II Intelligent Modem RS-232 V.42 Fax Voice DataExternal intelligent modem with RS-232 interface for voice, data, and fax transmission. Operates over standard telephone...
    21149
    SKU:
    21149
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    5.00 LBS
    Brand:
    Multi-Tech Systems
    Model:
    MT932BA
    MPN:
    MT932BA
    Type:
    External Intelligent Modem
    SKU:
    21149
    Series:
    MT932 Series MultiModem II
    Interface Type:
    EIA RS-232
    Connector Type:
    DB-25 RS-232, RJ-11 Phone, RJ-11 Line
    Protocol:
    V.42, Fax, Voice/Data
    Features:
    TR, EC (V.42), FX (Fax), Answer, Originate, Voice, Data
    FCC Registration No:
    AU7USA-65636-MD-E
    FCC ID:
    AU792U91H01031
    Ringer Equivalence:
    0.5B
    Form Factor:
    Desktop
    Condition:
    As-Is / For Parts or Not Working
    Country/Region of Manufacture:
    United States
    Seller Notes:
    Sold as-is for parts or repair. May include useful components.
    Condition Notes:
    MultiTech MT932BA MultiModem II sold as-is for parts or repair. Not tested or guaranteed functional. Shows age-related discoloration on casing. Physical ports appear intact. May yield useful parts.
    California Prop 65 Warning:
    WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
    $40.00
    Was: $80.00
  • Scientific Solutions 943244 Analog Multiplexer module – angled front-left view showing off-white plastic enclosure and 50-pin connector port on front face Scientific Solutions 943244 Analog Multiplexer – angled rear-right view of enclosed module showing ribbed plastic housing and corner mounting tabs

    Scientific Solutions 943244 Rev B AD Analog Multiplexer Module For Parts

    $50.00
    Was: $100.00
    Scientific Solutions 943244 Rev B AD Analog Multiplexer Module For PartsThis is an analog multiplexer PCB module designed for signal switching and data acquisition. The module routes multiple analog...
    33465
    SKU:
    33465
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    4.00 LBS
    Brand:
    Scientific Solutions
    Model:
    943244
    MPN:
    943244
    Secondary Model:
    943244 Rev B
    Type:
    Analog Multiplexer Module (PCB)
    SKU:
    33465
    Condition:
    As-Is / For Parts or Not Working
    Seller Notes:
    Sold as-is for parts or repair. Includes housing/enclosure with PCB.
    Country/Region of Manufacture:
    United States
    Form Factor:
    Enclosed Module / Desktop
    Revision:
    Rev B
    PCB Label:
    AD Analog Multiplexer, Component Side
    Copyright Year:
    1991
    Connector Type:
    50-Pin Female SCSI-Style / Centronics
    Input Termination:
    Screw Terminal Blocks
    Key ICs:
    Maxim MAX series ICs (multiple, exact P/Ns not fully legible)
    Application:
    Data Acquisition, Signal Multiplexing, Lab Instrumentation
    Interface Type:
    50-Pin Parallel (Centronics-style)
    Condition Notes:
    Scientific Solutions 943244 Rev B Analog Multiplexer sold as-is for parts or repair. Not tested, no functionality guaranteed. Enclosure and PCB appear intact. Please view photos and contact us with questions.
    California Prop 65 Warning:
    WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
    $50.00
    Was: $100.00
  • Cayman 3220-H DSL Router front three-quarter view showing front panel with 4 LAN 10BT ports and DSL-Status indicator, with APS power supply alongside Cayman 3220-H DSL Router front panel close-up showing 4x LAN 10BT RJ45 ports numbered 1–4, Power LED, and DSL-Status LED with Cayman DSL branding

    Cayman 3220-H DSL Router 4-Port 10Base-T LAN Console Port w/ Power Supply

    Cayman

    $20.00
    Was: $40.00
    Cayman 3220-H DSL Router 4-Port 10Base-T LAN Console Port w/ Power SupplyThe Cayman 3220-H is a compact desktop DSL router designed for home or small office broadband sharing over a DSL WAN...
    37119
    SKU:
    37119
    Availability:
    Usually ships within 1–2 business days.
    Weight:
    3.00 LBS
    Brand:
    Cayman
    Model:
    3220-H
    MPN:
    3220-H
    Type:
    DSL Router
    SKU:
    37119
    Number of LAN Ports:
    4
    LAN Port Type:
    10Base-T (RJ45)
    WAN Interface:
    DSL (RJ45)
    Management Interface:
    DB9 Serial Maintenance Console
    Form Factor:
    Desktop
    Power Input:
    9V DC, 1.2A
    Power Supply Included:
    Yes — APS ITE Model D9-15-950
    Power Supply Input:
    120V AC, 60Hz, 25W
    Power Supply Output:
    9V DC, 1500mA
    Country/Region of Manufacture:
    United States (Billerica, MA)
    Condition:
    As-Is / For Parts or Not Working
    Seller Notes:
    Includes APS ITE 9VDC power supply. Sold as-is for parts or repair.
    FCC Compliance:
    Tested to comply with FCC standards
    Condition Notes:
    Cayman 3220-H DSL Router sold as-is for parts or repair. Not tested; functionality not guaranteed. Cosmetically clean. Includes APS 9VDC power supply. Please review photos and contact us with questions.
    California Prop 65 Warning:
    WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
    $20.00
    Was: $40.00
  • Astrocom 4100 16-port RS232 statistical multiplexer — front three-quarter view showing full chassis with LED port indicators and front panel controls Astrocom 4100 front panel display showing SDM 4100 FC V2.4 firmware, navigation buttons, and port indicator LEDs 7–10

    Astrocom 4100 16P STAT SA RS232 Software Defined Multiplexer SDM 120/240V

    Astrocom

    $74.00
    Was: $150.00
    Astrocom 4100 16P STAT SA RS232 Software Defined Multiplexer SDM 120/240VStatistical RS-232 software-defined multiplexer with 16 ports for data communications in industrial and telecom environments...
    38642
    SKU:
    38642
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    19.00 LBS
    Brand:
    Astrocom
    Model:
    4100
    MPN:
    M069811010
    Secondary Model:
    16P 4100 STAT SA RS232
    Type:
    Statistical RS-232 Software Defined Multiplexer
    SKU:
    38642
    Condition:
    As-Is / For Parts or Not Working
    Seller Notes:
    Sold AS-IS for parts or repair. No functionality guaranteed.
    Country/Region of Manufacture:
    United States
    Form Factor:
    Desktop / Tabletop
    Power Requirements:
    120/240VAC, 50/60Hz, 2.0A
    Voltage:
    120/240 VAC
    Current Rating:
    2.0A
    Frequency:
    50/60 Hz
    Number of Ports:
    16
    Interface Type:
    RS-232
    Firmware Version:
    V2.4 (SDM 4100 FC V2.4)
    Hardware Revision:
    REV-J
    Connector Types:
    RJ-45, DB-25, DB-9 (mixed per port)
    Supervisory Port:
    Yes — labeled SUPERVISORY on rear panel
    MUX Port:
    Yes — DB-25 labeled MUX on rear panel
    UL Listed:
    Yes — E68571, EDP Equip 95C2
    Phase:
    Single Phase
    Condition Notes:
    Astrocom 4100 16P RS232 Multiplexer sold AS-IS for parts or repair. Not tested; no functionality guaranteed. Display visible in photos. Normal cosmetic wear. Please contact us with questions.
    California Prop 65 Warning:
    WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
    $74.00
    Was: $150.00
  • US Robotics Sportster 33.6K ISA modem card 00112506 — top/component side, angled front view showing two RJ-11 ports and onboard speaker US Robotics Sportster 33.6K ISA modem card — top component side showing main ICs, transformer, and ISA edge connector

    US Robotics Sportster 33.6K ISA Modem Card 00112506 1.012.0332 8-Bit PC

    US Robotics

    $30.00
    Was: $60.00
    US Robotics Sportster 33.6K ISA Modem Card 00112506 1.012.0332 8-Bit PCThe US Robotics Sportster 33.6K is an 8-bit ISA internal dial-up modem card designed for IBM PC/AT-compatible desktop computers...
    43315
    SKU:
    43315
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    0.95 LBS
    Brand:
    US Robotics
    Model:
    Sportster 33.6K
    MPN:
    00112506
    Secondary Model:
    1.012.0332
    Type:
    Internal Dial-Up Modem Card
    SKU:
    43315
    Bus Interface:
    8-Bit ISA
    Data Rate:
    33.6 Kbps
    Connector Type:
    RJ-11 (x2)
    Form Factor:
    ISA Card / Half-Height
    FCC ID:
    CJEUSA-23364-MM-E / CJE-0332
    Standards Compliance:
    FCC Part 68, CAN/CSA-C22.2 No. 950
    Onboard Speaker:
    Yes
    Compatible With:
    IBM PC/AT and compatible 8-bit or 16-bit ISA systems
    Country/Region of Manufacture:
    United States
    Condition:
    Used – Inspected and in good condition
    Seller Notes:
    Card only; no software, cables, or accessories included.
    Condition Notes:
    US Robotics Sportster 33.6K ISA modem card 00112506 inspected and in good used condition. PCB clean, ports intact, no visible damage. Card only — no software or cables included.
    California Prop 65 Warning:
    WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
    $30.00
    Was: $60.00
  • US Robotics 87328 8-bit ISA internal modem fax card – top component side view showing ISA edge connector and circular inductor US Robotics 87328 ISA modem card – solder side showing FCC compliance label and DOC load number markings

    US Robotics 87328 8-Bit ISA Internal Modem Fax Card CJE794 Rev 1.012.0121-A

    US Robotics

    $30.00
    Was: $60.00
    US Robotics 87328 8-Bit ISA Internal Modem Fax Card CJE794 Rev 1.012.0121-AThe US Robotics 87328 is an 8-bit ISA internal modem and fax card designed for installation in IBM PC/XT, AT, and compatible...
    48614
    SKU:
    48614
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    3.00 LBS
    Brand:
    US Robotics
    Model:
    87328
    MPN:
    87328
    Secondary Model:
    CJE794
    Type:
    8-Bit ISA Internal Modem/Fax Card
    FCC ID:
    CJE-0121
    FCC Registration Number:
    CJE794-11323-DM-E
    Hardware Revision:
    Rev 1.012.0121-A
    Ring Equivalence Number:
    4B
    Bus Interface:
    8-Bit ISA
    Form Factor:
    Half-Length ISA Card
    Controller Chip:
    73D216B-CP
    Interface Type:
    ISA (Industry Standard Architecture)
    Connector Type:
    RJ-11 (TELCO and PHONE ports)
    Number of Ports:
    2 (TELCO, PHONE)
    Country/Region of Manufacture:
    Japan
    Compatible With:
    IBM PC/XT, AT, and compatible 8-bit ISA systems
    SKU:
    48614
    Condition:
    Used – Inspected and in Good Condition
    Seller Notes:
    Card only; no software or documentation included.
    Condition Notes:
    US Robotics 87328 8-bit ISA modem/fax card has been inspected and is in good condition. Card is clean with no physical damage. TELCO and PHONE RJ-11 ports intact. Normal light wear on bracket.
    California Prop 65 Warning:
    WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
    $30.00
    Was: $60.00
  • US Robotics Sportster 0467 ISA internal modem card — three-quarter front view showing PCB, speaker, and bracket with RJ-11 and audio ports US Robotics Sportster 0467 ISA modem card — three-quarter rear view showing solder side of PCB and ISA edge connector

    US Robotics Sportster 0467 046756K ISA Internal Modem Card 28.8K 33.6K Fax

    US Robotics

    $20.00
    Was: $90.00
    US Robotics Sportster 0467 046756K ISA Internal Modem Card 28.8K 33.6K FaxThe US Robotics Sportster Model 0467 (part number 046756K) is a half-length ISA internal modem card designed for desktop PCs...
    47908
    SKU:
    47908
    Availability:
    Usually ships within 1–2 business days.
    Weight:
    3.00 LBS
    Brand:
    US Robotics
    Model:
    0467
    MPN:
    046756K
    Secondary Model:
    66175001
    Product Line:
    Sportster
    SKU:
    47908
    Type:
    ISA Internal Modem Card
    Form Factor:
    ISA Card / Half-Length
    Interface Type:
    ISA (Industry Standard Architecture)
    Bus Type:
    ISA
    Connector Type:
    RJ-11 (Line), RJ-11 (Phone), Audio jacks
    Modem Standard:
    V.34, V.32bis, V.42, V.42bis
    Data Transfer Rate:
    Up to 28.8 Kbps / 33.6 Kbps
    Fax Speed:
    14.4 Kbps
    Compatibility:
    ISA slot desktop PCs, DOS, Windows 3.x, Win 95/98
    FCC Compliance:
    FCC Certified — Tested to Comply with FCC Standards
    Use:
    Home or Office
    Condition:
    Used – Pulled from Working Environment
    Country/Region of Manufacture:
    United States
    Seller Notes:
    Card only; pulled from a working desktop PC.
    Condition Notes:
    US Robotics Sportster 0467 046756K ISA modem card inspected and in good used condition. Pulled from a working desktop PC. PCB clean, ports intact, no visible damage.
    California Prop 65 Warning:
    WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
    $20.00
    Was: $90.00
  • US Robotics 3CP2977-OEM-50 56K PCI fax modem card – angled top view showing PCB components and bracket with dual RJ-11 ports US Robotics 3CP2977-OEM-50 56K PCI modem card – reverse side of PCB showing solder points and product label

    US Robotics 3CP2977-OEM-50 56K Fax Modem PCI Card V.90 V.92 Internal USR

    US Robotics

    $20.00
    Was: $40.00
    US Robotics 3CP2977-OEM-50 56K Fax Modem PCI Card V.90 V.92 Internal USRInternal PCI fax modem card for desktop computers. Supports 56 Kbps data rates and fax transmission over standard phone lines...
    47861
    SKU:
    47861
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    3.00 LBS
    Brand:
    US Robotics
    Model:
    3CP2977-OEM-50
    MPN:
    3CP2977-OEM-50
    Type:
    Internal PCI Fax Modem Card
    SKU:
    47861
    Condition:
    Used – Inspected
    Form Factor:
    PCI Card (Full Height)
    Interface Type:
    PCI
    Data Rate:
    56 Kbps
    Modem Standards:
    V.90, V.92
    Fax Capable:
    Yes
    Connector Type:
    RJ-11 (x2) — Line and Phone ports
    Number of Ports:
    2 x RJ-11
    Compatible With:
    Standard PCI desktop motherboards
    Chipset:
    3Com (visible on board — full markings partially obscured)
    Country/Region of Manufacture:
    Taiwan
    Seller Notes:
    Card only; no software or accessories included.
    Condition Notes:
    US Robotics 3CP2977-OEM-50 56K PCI fax modem card. Inspected and in good used condition. PCB clean, bracket intact, RJ-11 ports present. Please view photos and contact us with any questions.
    California Prop 65 Warning:
    WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
    $20.00
    Was: $40.00
  • ADC Kentrox DataSmart Max 771 T1 4-Port Add/Drop Multiplexer — front 3/4 view showing 1U rackmount chassis with LCD display and included cable ADC Kentrox logo close-up on DataSmart Max 771 front panel with PREVIOUS and NEXT navigation buttons visible

    ADC Kentrox DataSmart Max 771 T1 4-Port Add/Drop Mux 1.544 Mbps RJ-48C

    ADC Kentrox

    $75.00
    Was: $150.00
    ADC Kentrox DataSmart Max 771 T1 4-Port Add/Drop Mux 1.544 Mbps RJ-48C1U rackmount T1 add/drop multiplexer for managing T1 circuits at 1.544 Mbps. Supports four data ports with add/drop...
    45317
    SKU:
    45317
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    8.00 LBS
    Brand:
    ADC Kentrox
    Model:
    DataSmart Max 771
    MPN:
    72771
    Secondary Model:
    72771
    Type:
    T1 4-Port Add/Drop Multiplexer
    SKU:
    45317
    Seller Notes:
    Includes Kentrox 01-95001074 cable
    Country/Region of Manufacture:
    United States
    Form Factor:
    1U Rackmount
    Interface Type:
    T1, RJ-48C, RS-232 (DCE/DTE), V.35
    Data Rate:
    1.544 Mbps
    Number of Ports:
    4 Data Ports + Control Port + Terminal + Auxiliary
    Framing Format:
    ESF (Extended Superframe)
    Protocol:
    T1 ESF
    Management Type:
    Managed — front-panel LCD + RS-232 terminal port
    Connector Type:
    RJ-48C (NI/T1), DB-25/DB-15 (data ports), RJ-11 (terminal)
    Included Accessories:
    Kentrox 01-95001074 cable
    Front Panel Indicators:
    DATA, RED ALM, YEL ALM, TI, TEST, POWER/FAIL, Monitor RCV/XMT
    Front Panel Controls:
    PREVIOUS, NEXT, ESCAPE, SELECT buttons; LCD display
    Condition:
    Used – Inspected and in good condition
    Condition Notes:
    ADC Kentrox DataSmart Max 771 T1 4-Port Add/Drop Mux inspected and in good condition. Minor cosmetic wear only. Includes Kentrox 01-95001074 cable. Please view photos and contact us with questions.
    California Prop 65 Warning:
    WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
    $75.00
    Was: $150.00
  • US Robotics Sportster 00084001 ISA faxmodem card – front angled view showing main chips, speaker, and RJ-11 bracket ports US Robotics Sportster 00084001 ISA faxmodem – PCB rear/solder side with US Robotics silkscreen label visible

    US Robotics Sportster 00084001 33.6K Faxmodem ISA Card 1.012.0335-C w/ Jumpers

    US Robotics

    $25.00
    Was: $50.00
    US Robotics Sportster 00084001 33.6K Faxmodem ISA Card 1.012.0335-C w/ JumpersInternal ISA faxmodem card for legacy desktop computers. Supports 33.6 Kbps data and fax transmission over standard...
    44709
    SKU:
    44709
    Availability:
    Usually ships within 1–2 business days.
    Weight:
    1.00 LBS
    Brand:
    US Robotics
    Model:
    Sportster 00084001
    MPN:
    00084001
    Secondary Model:
    1.012.0335-C
    Type:
    Internal ISA Faxmodem Card
    SKU:
    44709
    Condition:
    Used – Inspected and Tested
    Seller Notes:
    Includes jumpers. Some units have removable chip; others do not. All same layout.
    Country/Region of Manufacture:
    Canada
    Form Factor:
    ISA Card
    Interface Type:
    ISA Bus
    Data Rate:
    33.6 Kbps
    Connector Type:
    RJ-11 (TELCO + PHONE ports)
    Number of Ports:
    2 (TELCO and PHONE RJ-11)
    Standards Compliance:
    V.34, 33.6 Kbps fax/data
    Compatible With:
    Windows 95, legacy ISA desktop PCs
    Product Revision:
    1.012.0335-C
    Copyright Year:
    1995
    Condition Notes:
    US Robotics Sportster 00084001 ISA faxmodem detected on Win 95 test bed; full functionality not verified. Light use. Some units have removable chip, others do not — same layout. Contact us with preference in advance.
    California Prop 65 Warning:
    WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
    $25.00
    Was: $50.00
  • Smart Modular Technologies 90094 PCI DSL-V90 modem card – front bracket view showing red and black RJ-11 ports Smart Modular Technologies 90094 DSL-V90 modem PCB top view showing Lucent 1690A-T-BC main controller chip

    Smart Modular Technologies 90094 PCI DSL-V90 Modem FCC 2D7USA-34355-M5-T

    Smart Modular Technologies

    $15.00
    Was: $30.00
    Smart Modular Technologies 90094 PCI DSL-V90 Modem FCC 2D7USA-34355-M5-TInternal PCI modem card for desktop computers. Supports V.90 standard with 56 Kbps maximum data rate and dual RJ-11 ports for...
    44575
    SKU:
    44575
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    1.00 LBS
    Brand:
    SMART Modular Technologies
    Model:
    90094
    MPN:
    90094
    Type:
    PCI Internal Modem
    SKU:
    44575
    Modem Standard:
    V.90
    Max Data Rate:
    56 Kbps
    Interface:
    PCI
    Form Factor:
    PCI Card
    Chipset:
    Lucent 1690A-T-BC
    Connector Type:
    RJ-11
    Number of Ports:
    2 (Line + Phone)
    FCC Registration:
    2D7USA-34355-M5-T
    FCC Compliance:
    FCC Parts 68 and 15 Class B
    REN Rating:
    .8B
    UL File:
    E153169
    Compatible With:
    Desktop PC with PCI slot
    Condition:
    Used – Inspected
    Seller Notes:
    PCI DSL-V90 modem card only; no software or accessories included.
    Country/Region of Manufacture:
    United States
    Condition Notes:
    Smart Modular Technologies 90094 PCI DSL-V90 modem. Inspected and in good used condition. PCB clean, bracket and RJ-11 ports intact. Normal light wear from prior use.
    California Prop 65 Warning:
    WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
    $15.00
    Was: $30.00
  • Hayes Accura 144+Fax 5302AM 8-bit ISA modem – top component side view showing PCB, speaker, transformer, and STARTECH chipset Hayes 5302AM ISA modem – bottom solder side view showing PCB traces and barcode label

    Hayes Accura 144+Fax 5302AM ISA Modem 04-00726 V4.0 8-Bit 14.4K 1994

    Hayes

    $12.00
    Was: $25.00
    Hayes Accura 144+Fax 5302AM ISA Modem 04-00726 V4.0 8-Bit 14.4K 1994The Hayes Accura 144+Fax 5302AM is a vintage 8-bit ISA internal modem from 1994, designed for dial-up data and fax communication in...
    44558
    SKU:
    44558
    Availability:
    Usually ships within 1–2 business days.
    Weight:
    0.95 LBS
    Brand:
    Hayes
    Model:
    5302AM
    MPN:
    04-00726
    Secondary Model:
    Accura 144+Fax
    Hardware Revision:
    V4.0
    Type:
    Internal Fax Modem
    SKU:
    44558
    Condition:
    Used – Pulled from Working Environment
    Form Factor:
    8-Bit ISA Card
    Bus Interface:
    ISA (8-bit)
    Max Data Rate:
    14.4 Kbps (V.32bis)
    Fax Speed:
    14.4 Kbps (Class 2)
    Connector Type:
    RJ-11 (Line + Phone)
    Number of Ports:
    2 (Line In, Phone/Handset)
    Chipset:
    STARTECH (visible on PCB)
    Date Code / Year:
    1994 (Q44 date code on PCB label)
    Compatible With:
    IBM PC/XT/AT, DOS, Windows 3.x
    Country/Region of Manufacture:
    Canada
    Seller Notes:
    Card only; no software, cables, or documentation included.
    Condition Notes:
    Hayes Accura 144+Fax 5302AM ISA modem. Inspected, good used condition. Pulled from a working environment where it was in use and functional. PCB clean, ports intact. Please view photos and contact us with questions.
    California Prop 65 Warning:
    WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
    $12.00
    Was: $25.00
  • MultiTech MT2834ZPX 8-bit ISA modem card — top/component side showing AT&T controller IC, Lucent chip, and ISA edge connector MultiTech MT2834ZPX ISA modem card — solder/bottom side showing green PCB and Multi-Tech logo on bracket

    MultiTech MT2834ZPX 8-Bit ISA 33.6K Data Fax Modem Card V.34 V.022 RJ-11

    MultiTech

    $18.00
    Was: $40.00
    MultiTech MT2834ZPX 8-Bit ISA 33.6K Data Fax Modem Card V.34 V.022 RJ-11Internal modem card for legacy computers with ISA bus slots. Provides data transmission and fax capabilities at 33.6 Kbps using...
    44557
    SKU:
    44557
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    1.00 LBS
    Brand:
    Multi-Tech Systems
    Model:
    MT2834ZPX
    MPN:
    MT2834ZPX
    Type:
    Internal Data/Fax Modem Card
    SKU:
    44557
    Bus Interface:
    8-Bit ISA
    Form Factor:
    Half-Length ISA Card
    Max Data Rate:
    33.6 Kbps
    Standards:
    V.022
    FCC Registration:
    AU7USA-20673-MM-E
    FCC ID:
    AU792U95B01103
    REN:
    0.3B
    Connector Type:
    RJ-11 (PHONE and LINE ports)
    Number of Ports:
    2 (PHONE pass-through + LINE)
    Compatible With:
    IBM PC/XT/AT and ISA-bus compatible computers
    Chipset:
    AT&T (visible on main controller IC)
    Seller Notes:
    Card only; no software or accessories included.
    Country/Region of Manufacture:
    United States
    Condition:
    Used – Inspected and in good condition
    Condition Notes:
    MultiTech MT2834ZPX ISA 33.6K modem card inspected and in good used condition. PCB clean, no visible damage. RJ-11 PHONE and LINE ports intact. Normal handling wear. Card only — no software included.
    California Prop 65 Warning:
    WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
    $18.00
    Was: $40.00
  • Actiontec PM560LH PC156019 PCI 56K modem card – front view showing Lucent chipset IC, dual RJ-11 ports, and red component Actiontec PM560LH PC156019 PCI modem card – rear PCB view showing FCC label, Rev 3.0B marking, and Made in Taiwan label

    Actiontec PM560LH PC156019 PCI 56K Modem Card Lucent Chipset RJ-11 Voice

    Actiontec

    $7.90
    Was: $15.00
    Actiontec PM560LH PC156019 PCI 56K Modem Card Lucent Chipset RJ-11 VoiceInternal PCI modem card for desktop computers. Supports voice, fax, and data transmission at 56 Kbps over standard phone lines...
    44556
    SKU:
    44556
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    1.00 LBS
    Brand:
    ActionTec
    Model:
    PM560LH
    MPN:
    PC156019
    Type:
    PCI 56K Internal Modem Card
    SKU:
    44556
    Chipset:
    Lucent
    Interface:
    PCI
    Connector Type:
    RJ-11 (2x)
    Data Rate:
    56 Kbps
    Form Factor:
    PCI Card
    Modem Type:
    Voice/Fax/Data
    Hardware Revision:
    Rev 3.0B
    FCC ID:
    PC156019
    Standards:
    FCC Part 68, RJ-11
    Country/Region of Manufacture:
    Taiwan
    Compatible With:
    PCI desktop PC slot — home or office use
    Condition:
    Used – Pulled from Working Environment
    Seller Notes:
    Card only; pulled from working environment, no accessories included.
    Condition Notes:
    Actiontec PM560LH PC156019 PCI 56K modem card. Inspected, in good condition. Pulled from a working environment where it was in use and functional. PCB clean, RJ-11 ports intact. Light handling marks typical.
    California Prop 65 Warning:
    WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
    $7.90
    Was: $15.00
  • Lucent I56LVP-F1 56K V.90 PCI FaxModem 400-08012-3 — top/component-side view showing Lucent chipset, relay, and PASSED QC sticker Lucent I56LVP-F1 PCI FaxModem — solder-side view showing model label I56LVP-F1, FCC ID 2H9TAI-25492-M5-E, and Made in China marking

    Lucent I56LVP-F1 56K V.90 PCI FaxModem 400-08012-3 Dial-Up Modem Card

    Lucent

    $15.00
    Was: $30.00
    Lucent I56LVP-F1 56K V.90 PCI FaxModem 400-08012-3 Dial-Up Modem CardA PCI-based internal modem card for dial-up connectivity. Supports V.90 standard with 56 Kbps data rates and integrated fax...
    44555
    SKU:
    44555
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    1.00 LBS
    Brand:
    Lucent
    Model:
    I56LVP-F1
    MPN:
    400-08012-3
    Secondary Model:
    400-08012-3
    Type:
    PCI Fax Modem Card
    SKU:
    44555
    Data Rate:
    56 Kbps
    Standards:
    V.90
    Interface:
    PCI
    Form Factor:
    PCI Card
    Connector Type:
    RJ-11 (x2 — Line and Phone)
    FCC ID:
    2H9TAI-25492-M5-E
    Country/Region of Manufacture:
    China
    Condition:
    Used – Inspected and in Good Condition
    Seller Notes:
    Card only; no software or drivers included.
    Compatible With:
    PCI-equipped desktop PCs; legacy Windows and DOS systems
    Condition Notes:
    Lucent I56LVP-F1 56K V.90 PCI FaxModem (400-08012-3) inspected and in good used condition. PCI edge connector and dual RJ-11 ports intact. QC PASSED sticker present. No significant damage noted.
    California Prop 65 Warning:
    WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
    $15.00
    Was: $30.00
  • Encore ENF656-ESW-AGPR 56Kbps PCI fax modem card — component side with QC Pass sticker and Agere modem chipset visible Encore ENF656-ESW-AGPR PCI fax modem — solder side showing model label, barcode, FCC compliance marking, and Rheinland Product Safety logo

    Encore ENF656-ESW-AGPR 56Kbps PCI Fax Modem Card V.90 V.92 Dial-Up RJ-11

    Encore

    $12.00
    Was: $25.00
    Encore ENF656-ESW-AGPR 56Kbps PCI Fax Modem Card V.90 V.92 Dial-Up RJ-11The Encore ENF656-ESW-AGPR is a 56Kbps internal fax modem on a standard PCI card. It connects a desktop PC to an analog phone...
    44554
    SKU:
    44554
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    1.00 LBS
    Brand:
    Encore
    Model:
    ENF656-ESW-AGPR
    MPN:
    ENF656-ESW-AGPR
    Type:
    PCI Fax Modem Card
    SKU:
    44554
    Condition:
    Used – Inspected and Tested
    Seller Notes:
    Card only; no software or accessories included.
    Form Factor:
    PCI Card
    Interface Type:
    PCI
    Connector Type:
    RJ-11
    Data Rate:
    56 Kbps
    Standards:
    V.90, V.92
    Compatible With:
    Desktop PCs with standard PCI slot
    Country/Region of Manufacture:
    Taiwan
    Condition Notes:
    Encore ENF656-ESW-AGPR 56Kbps PCI Fax Modem inspected and in good condition. PCB clean, QC Pass sticker present, RJ-11 ports intact. Card only, no software included.
    California Prop 65 Warning:
    WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
    $12.00
    Was: $25.00
  • US Robotics Sportster 0460 ISA fax modem card front angle view showing two RJ-11 ports and ISA edge connector US Robotics Sportster 0460 modem PCB top view showing onboard speaker, main controller ICs, and ISA edge connector

    US Robotics Sportster 0460 005687-B0 8-Bit ISA Internal Fax Modem 14.4K

    US Robotics

    $22.00
    Was: $40.00
    US Robotics Sportster 0460 005687-B0 8-Bit ISA Internal Fax Modem 14.4KThe US Robotics Sportster Model 0460 is an 8-bit ISA internal fax/data modem card designed for installation in desktop PCs...
    44258
    SKU:
    44258
    Availability:
    Usually ships within 1-2 business days.
    Weight:
    1.00 LBS
    Brand:
    US Robotics
    Model:
    Sportster 0460
    MPN:
    005687-B0
    Type:
    Internal Fax Modem
    SKU:
    44258
    Interface:
    ISA (8-bit)
    Bus Type:
    ISA 8-bit
    Form Factor:
    Half-Height ISA Card
    Connector Type:
    RJ-11
    Number of Ports:
    2x RJ-11 (Line and Phone)
    Modem Type:
    Fax / Data Modem
    Compatible With:
    ISA-bus desktop PCs (XT/AT/286/386/486/Pentium)
    Condition:
    Used – Inspected
    Country/Region of Manufacture:
    United States
    Seller Notes:
    Inspected and in good condition. Card only — no software or documentation included.
    Condition Notes:
    US Robotics Sportster 0460 ISA fax modem (005687-B0) inspected and in good used condition. Card is clean, both RJ-11 ports intact, ISA edge connector shows normal wear.
    California Prop 65 Warning:
    WARNING: This product can expose you to chemicals including lead and lead compounds, and DEHP (a phthalate), which are known to the State of California to cause cancer and birth defects or other reproductive harm. Go to P65Warnings.ca.gov
    $22.00
    Was: $40.00