DATA CONNECT MD14.4L Myriad Rack Modem Cards V32bis, 14.4 Kbps LL Leased Line Modem

SKU: 839 Category:



The Data Connect MD14.4 is the rackmount version of the Data Connect MIU14.4 and MIU14.4-LV. The same functionality that can be found in the MIU14.4 and MIU14.4-LV can be found in the MD14.4. The Data Connect MD14.4 is a Bell V.32bis modem designed for asynchronous operation at 0 to 14400bps over voice grade lines. The modem is intended for use on two-wire dial lines. The MD14.4 is comprised of MDMC carrier card and PE 14.4 module. Up to 18 MD14.4 can front loaded into a MDR Modem Bank.       The MDR Modem Bank is an industrial grade 19” x 3U rack mountable chassis. The MDR Modem Bank is powered from a wide range of AC or DC voltages. Two power supply cards can be installed to provide automatic back up in the event the primary power supply fails. The MDR will operate in temperatures from -20°C to +85°C and is surge protected on both power and analog lines. Two power supply slots are provided. Power supply cards are available for any voltage in the range 9-15VDC and 9-275VAC. A single power supply card will power all 18 MD14.4.In addition to the MD14.4 the MDR Modem Bank also houses the MD28.8, MD14.4L, MD9.6FPD and MD202T.


  • 14.4kbps 2-Wire Dial Line Modem
  • IEC801-4 Surge Protection
  • -20°C to +80°C Operating temperature
  • For Meters, Relays, SCADA etc.


Modem Line Speed:
Asynchronous 14000, 9600, 4800, 2400, 1200, 300bps

DTE Rates:
Above modem line speeds (IE; with data compression) 57.6, 38.4, 19.2kbps

V.32bis, V.32, V.22bis, V.22, Bell 212A, Bell 103

Transmission Line:
2-Wire Dial

Hayes Extended AT Command Set

Digital Port:
RS232 with DB9 Connector

Analog Port:
RJ11 Modular Jack

Surge Protection:
(Power Line) 8kV [Exceeds IEC801-4] (20kV {IE801-5} available if required)

Surge Protection:

-40°C to 85°C, 0 to 95% humidity (non-condensing)

FCC Part 68, Industry Canada

Additional information

Weight 5.00 lbs
Dimensions 12.00 × 12.00 × 12.00 in


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