What is a FXSC 2W*8-6 Coin Card?
The FXS-C 2W*8-6 Coin Card has six two wire ports and two wires, providing a 600-Ohm terminating impedance. Card consists of backplane interface circuitry, serial EEPROM for card identification and adjustment parameters storage, metering pulse interface extension between Coin Box Office (CO) and coin phone on the side of the coin phone, and six voice line interface circuits. Each line interface circuit consists of a codec, a hybrid circuit.