A fax modem is a type of modem that allows a computer not only to connect to the internet or other networks but also to send and receive fax messages directly. It converts digital data from the computer into analog signals that can be transmitted over standard telephone lines and decodes incoming fax signals back into a format readable by the computer. In photography and graphic arts, a fax modem can be useful for quickly transmitting images, proofs, or documents to clients, studios, or labs before the widespread use of email and digital file sharing.
Although largely replaced today by email, cloud services, and online file transfers, understanding fax modems is relevant for historical workflows and legacy systems. They represent an early method of bridging digital imaging with traditional communication networks, highlighting how photographers and designers managed image delivery before modern high-speed digital transfers became standard.