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336MM-T, 560MM-T, Serial Interface Modular Modems™

The Modular Modem™ is a self-contained modem that provides systems designers the flexibility to include modem functionality in any system product with minimal engineering resources. Its rich features include: -40oC to +85oC extended temperature operation, 2-wire leased-line support, full-duplex speakerphone and ASVD (optional), and 2nd ring detect (optional).

  • Serial TTL interface
  • V.90, 56 kbps data (560MM-T)
  • V.34, 33.6 kbps data (336MM-T)
  • 14.4 kbps fax
  • Voice playback and record
  • DTMF decode
  • Dial-up and 2 wire leased-line support
  • -40oC to +85oC operation
  • 2.16" x 3.65" x 0.375"
  • V.42, MNP 2-4 and 10 error correction
  • V.42bis, and MNP-5 data compression
  • FCC Part 68 registered
  • FCC Part 15 compliant
  • Full duplex speakerphone & ASVD (option)
  • Caller ID (option)
  • Power down ring(2nd ring)detect (option)


  • Set-Top Boxes
  • WebPhone
  • Notebook PC
  • Remote Diagnostics
  • Remote Monitoring
  • Remote Telemetry

  • Utility Meters
  • Vending Machine
  • Credit Card Terminals
  • POS Terminals
  • Embedded Applications

Ordering Information:

Model No.Data Rate
Fax Rate
2nd Ring
560MM-TR *5614.4Yes
336MM-TR *33.614.4Yes

* 336/560MM-TR models allows for a method for ring detection for zero (0) modem power operation. User is given 2nd opto isolator's uncommitted open collector and supplies pull-up resistor (approx. 50Kohms). User monitors for 20hz ringing voltage, then user applies power to modem when operation is desired.

Ratings @ 25
o C

Tip / Ring Current Continuous0120mA
Dielectric Withstanding Voltage-1000VRMS
Operating Temperature-40+85oC
Relative Humidity (non-condensing)1095o/o
Voltage Requirement4.755.25V
Power Consumption720880mW
Transmit & Receive Level-10 (Tx)-43 (Rx)dBm

Mechanical Diagram & Pin Assignments - Serial Interface

  1. Header extends on non-component side. Can be reversed if necessary. (contact factory)
  2. Header length is 0.236" on non-component side.
  3. Pin spacing is 0.100" from center to center.
  4. Tip and ring trace clearance must exceed 0.100" metal to metal.

Information furnished by Radicom Research is believed to be accurate and
reliable.  However Radicom Research assumes no responsibility for its use, or
any infringement of patents or other rights of third parties which may result
from its use.  Radicom Research reserves the right to change circuitry at any
time without notice.  This document is subject to change without notice.

The information contained herein is subject to change without notice. Logos, trademarks and copyrights are property of their respective owners.


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