• 14-bit Codec: D/A and A/D converters turn sound into bits & vice-versa.
• MOV: Metal Oxide Varistor protects against electrical surges on the phone line.
• Isolation transformer: Isolates the computer from the phone line.
• § Relay: Connects computer to phone line; on the Sportster it also disconnects the phone.
• § Transducer (marked "Loud!") - large "dynamic" on Sportster - small "piezo" on others.
• * UART & Controller: handles serial communication from PC.
• * IRQ/COM Jumpers: Lets user set interrupt and I/O address.
• * FLASH ROM: 256KB - Electronically erasable to facilitate upgrades.
• * Static RAM: 64KB hi-speed (< 15ns) - so your CPU's cache RAM isn't tied up.
• * DSP: 92Mhz Digital Signal Processor (the "guts"!) - so your CPU itself isn't tied up!

Notes:

• Items marked "§" are "better" on the Sporster than on the typical modem.
• To cut costs, any or all of the items marked " * " are eliminated entirely from "Windows" modems!

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Auction text and photos Copyright © 1999 Steven G. Greenberg  All Rights Reserved.