Xircom CM56T CreditCard Modem 56T PCMCIA PC Card 56Kbps Laptop Dial-Up

Xircom CM56T CreditCard Modem 56T PCMCIA PC Card 56Kbps Laptop Dial-Up

The Xircom CM56T is a PCMCIA Type II PC Card 56Kbps dial-up modem designed for laptop computers equipped with a standard PC Card slot. It plugs directly into the laptop's PCMCIA bay and connects to a telephone line via an RJ-11 dongle cable to provide dial-up internet or remote access connectivity — no external power required.

Specifications & What's Included

• Brand: Xircom
• Model: CM56T (CreditCard Modem 56T)
• Part Number: P/N6000964
• Form Factor: PCMCIA Type II PC Card
• Interface: PCMCIA / PC Card slot
• Data Rate: 56 Kbps (dial-up)
• Telephone Connection: RJ-11 (via dongle cable — not included)
• Included: Card only — no RJ-11 dongle adapter cable or driver software included

Applications

PCMCIA PC Card modems like the Xircom CM56T were the standard way to add dial-up or remote-access modem capability to laptops throughout the mid-to-late 1990s and early 2000s, when integrated modems were not yet universal. The CM56T slots into any Type II PCMCIA-equipped laptop — including machines from IBM, Compaq, Toshiba, Dell, HP, and others from that era — and provides a standard 56K dial-up connection over a telephone line. These cards remain useful today for legacy systems, industrial PCs, and specialized equipment that still rely on dial-up communication or modem-based serial protocols, as well as for vintage computing enthusiasts maintaining period-correct laptop setups. Xircom was a leading maker of PCMCIA networking and modem cards in the 1990s and was acquired by Intel in 2001.