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IGV23-OEM Industrial Grade


Design for Industrial communications applications, Data Connect’s IGV23-OEM embedded leased line modem module offers compact size and high performance for point-to-point and point-to-multipoint networks operating up to 1200bps. The serial interface with RS-232 level is designed to interface with any system controllers and no special device driver required.

The IGV23-OEM embedded module is a complete modem ready to integrate into any host system. The easy to use serial interface drastically reduces development time and cost for system designers. The compact size and low power consumption makes it ideal for any systems with communications requirements.


  • Complete modem for Telco leased line or private line
  • Speeds from 1200 bps (202T/V23)
  • Serial interface compatible with RS-232/V.28 level
  • Point-to-point, point-to-multipoint
  • Asynchronous operation, 10 or 11 bit character format
  • 2 wire half duplex or 4 wire full duplex
  • Compact size: 4.90” 3.50” x 0.7”
  • Single 10 to 60V power requirement, max.75 mA.
  • Operating Environment (-40°C to +85°C)
  • Transmit output power from 0 to -12 dBm (4 dB step)


  • SCADA monitoring and control
  • Remote meter data collection
  • Security gate and door control
  • ATM and point-of-sales terminal
  • Industrial automation monitor and control
  • Gas and water pumpers monitoring
  • Remote sensor monitoring
  • Traffic light monitoring and control
  • Rail road crossing monitoring and control


Data Rate Support:
9600, 4800 bps in fast poll (23 ms train time)
0-1800 bps in Bell 202T mode (8.5 ms train time)
0-1200 bps in ITU-V.23 mode
Data Format: Asynchronous, 8 or 9 data bits
10- or 11-bit character with 1 or 2 stop bits

QAM for 9600/4800 bps (Fast Poll)
FSK for 0-1200 or 0-1800 (Bell 202T & V23)

Modem Equalizers:
Automatic & adaptive equalizer
Enhanced fixed cable equalizers for extended range over unloaded cables

Transmission Line Interface:
TELCO Voice band 2- or 4-wire leased line
Private Line, 2- or 4-wire, 19-26 AWG
Connector: 4 pin header

DTE/RTU Interface:
The Modem serial port interface is provided by a 12 pin header /connector

RS-232 Interface (TTL Level)
Connector: 2×6 header (0.10” center)
Signals: RTS, CTS, CD, TD, RD, DSR, SG
Signal level: TTL compatible

Signals at Interface Connector:
Pin 1 & Pin 2: +5V
Pin 3: RTS (Input)
Pin 4: DSR (Output)
Pin 5: CTS (Output)
Pin 6: RD (Output)
Pin 7: TD (Input)
Pin 8: CD (Output)
Pin 9: Reset (Input)
Pin 10: No Connect
Pin 11 & Pin 12: Signal Ground

Power Supply Specifications:
Power Input: 5.0 VDC, +/-5%
Power Consumption:
Idle mode: 50ma @ 5 volts
Normal mode: 120 ma, typical

Mechanical Specifications:
PCB Dimensions: (2.6” x 2.16” x 0.5”)
Weight: 2.0 oz

Environment Specifications:
Operation: -40°C to + 85°C
Storage: -40°C to + 100°C
Humidity: Up to 95% non-condensing