Amazon.com: HIQUAY USB Serial DB9 USB to RS232 Female Null Modem Cable Pc Control TV Cable for Windows XP,Windows Vista,7,8,10,Mac OS Linux : Electronics
MODEM ISDN 128K SU PORTA USB: Amazon.co.uk: Computers & Accessories
MODEM ISDN 128K SU PORTA USB: Amazon.co.uk: Computers & Accessories
Trust.com - USB ISDN Modem MD-2100p
DeTeWe USB DECT Box, Wireless ISDN USB Modem: Amazon.de: Electronics & Photo
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Amazon.com: U.S. Robotics Networking Courier I-Modem W/ISDN/V.34 Ext. with Analog Device Port : Electronics
Amazon.com: U.S. Robotics Networking Courier I-Modem W/ISDN/V.34 Ext. with Analog Device Port : Electronics
Amazon.com: USB Serial Cable, RS232 Serial Connector Pigtail USB Serial Adapter for XPWin7Win 8Win10 Operating System : Electronics
MODEM ISDN 128K SU PORTA USB: Amazon.co.uk: Computers & Accessories
Amazon.com: CableCreation USB to RS232 Adapter with FTDI Chipset, USB to RS232 Male DB9 Serial Converter for Cashier Register, Modem, Scanner, Industriual Machinery, CNC, Black : Electronics
AVM Fritz!Card USB V2.0 Externer ISDN-Adapter: Amazon.de: Computer & Zubehör
Amazon.com: Eicon Diva LAN ISDN Modem - ISDN terminal adapter - external - ISDN BRI ST - 128 Kbps - 1 digital port(s) / 2 analog port(s) - Ethernet, ISDN : Electronics
SH-RS232G USB to Serial DB9 Female Cable Built-in FTDI FT232RL Chip - Walmart.com