Use coupon code 2percent during Google Checkout to get an instant 2% off your subtotal!

Shipping is $5.00 for USA customers regardless of quantity or total weight!

$5.99 View Cart Tell-a-friend

(415) 503-9089

Product No: 21469 Local Pickup Possible? Yes. Please call to confirm visit. Overnight for $20? Yes. Order by phone special. Made In: Availability: 50 In Stock (9/2/08 5:41) Comments There are currently 0 comments to display. Your Name: Email Address (will not appear on web site): Image verification: Message: New In Clear Case. 30 Days Warranty The card is new in a clear hard case (original card packaging) with new 56k AC820 cable. Model: 3CCM556 This card is automatically recognized in Windows 2000 and XP with the built-in drivers. This means you just plug it into the laptop slot and you're ready to go. Drivers for older operating system is available here: http://www.modem-drivers.com/drivers/59/59553.htm General Manufacturer 3Com Corporation Model number 3CCM556 Countries supported Americas Architecture PCMCIA card Card and Socket Services supported version 2.1 or higher Network operating systems supported Microsoft Windows® 3.1x, Windows 95, Windows NT® 4.0, DOS Operational Asynchronous Character Format Up to 10 bits, including data, start, stop and parity bits Asynchronous Data Rates Transmission rate fall-back through 300bps Chipset TI Compatible Public Switch Network Jacks RJ11W, RJ41S, RJ11C Dialing Capabilities Tone and rotary pulse Line Requirements Public switched telephone network including international connections V.90/x2: one D/A conversion Operating Modes Asynchronous Full-duplex Automatic and manual call originate Automatic and manual call answer Pulse Dialing Rate 10 pulses per second Pulse dialing duty cycle: 39/61% (US) Receive Sensitivity -45 dBm Ringer Equivalence 0.5B Tones Detected Dial, busy, ringback, and modem answer tones Blind dialing based on timeout periods is available for incompatible tones Mechanical Card size 3.375" x 2.125" Weight 1.2 oz. Electrical Power requirements 390 mA connected 35 mA sleep mode Environmental Temperature:   Operating 0 to 70C (32 to 155F) Storage -25 to 125C (-13 to 257F) Altitude Up to 20,000 ft. Humidity 10% to 90% noncondensing Protocols and Standards Fax standards ITU-T V.17 ITU-T V.21 Channel 2 ITU-T V.27ter ITU-T V.29 ITU-T Group III EIA Class 1 EIA Class 2.0 PCMCIA Standard Compliant 2.1 Protocols Error Correction/Data Compression ITU-T V.42 ITU-T V.42bis ETC (cellular models only) MNP levels 2-5 ETC FAQ: What's the difference between the 3CXM556 and this card, 3CCM556? The 3CCM556 requires a 56k cable to plug into the phone jack. The 3CXM556 has the phone jack built into the card.