RS-232 to RS-422, RS-485 Isolated Serial Interface Converter

Part: 1103   Model: IC485+I

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The 1103 serial interface converter provides Isolation and Auto baud capabilities, truly making it a no compromise interface converter. Isolation is important in installations where the equipment connected to the PC is either located far from the host system, or on a different power transformer circuit. Isolation on the IC485+I eliminates the effects of Ground Loop Current, a commonly neglected and misunderstood phenomenon that leads to data errors and the destruction of communications equipment.

Note: This item has a minimum order quantity (MOQ) of 25 units. Please contact your sales representative with any questions.

Additional information


3.8 (L) x 2.3 (W) x 1.0 (H)

Electrical Interface

RS-232, RS-422, RS-485

Humidity Range

10 – 90% Relative Humidity, Non-Condensing

Host Interface(s)


Max Data Distance

4000 feet

Max Data Rate

115.2K bps

Optically Isolated


Operating Temperature

0°C to 70°C (32°F to 158°F)

# of Ports


Power Requirement

5VDC @ 300mA

Serial Connector(s)

Screw Terminals

Storage Temperature

-50°C to 105°C (-58°F to 221°F)

Configurable for RS-422 or RS-485
Optical isolation provides protection against transients and ground loops
Data rates to 115.2K bps
Reliable communication up to 4000 feet
Automatic RS-485 enable/disable
DB-25F connector on RS-232 side
6 position screw terminals on RS-422/485 side
AC adapter included (Item# TR107)

Windows Software

Software: SeaCOM - Windows

Linux Software

Software: SeaCOM - Linux


Manual: 1103


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