Name: Serial Opt. Convrt. 1063/1250n
Brand: IBM
Price: 13.95 USD
Availability: InStock

IBM 21H9756 Serial Opt. Convrt. 1063/1250n

The IBM Serial Opt. Convrt. 1063/1250n (part number 21H9756) is a high-performance serial optical converter designed to extend the reach of legacy RS-232, RS-422, or RS-485 connections over multimode fiber. By converting electrical serial signals to ... Read More

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$13.95

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In Stock: 1
Manufacturer: IBM
Model or Part: 21H9756
Condition: Refurbished
Weight: 5.00lb

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Product Information

Item Condition

New - Sealed or Open Box Condition
Excellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item

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Description

Overview
The IBM Serial Opt. Convrt. 1063/1250n (part number 21H9756) is a high-performance serial optical converter designed to extend the reach of legacy RS-232, RS-422, or RS-485 connections over multimode fiber. By converting electrical serial signals to optical signals, this unit provides reliable data transmission in environments with high electromagnetic interference, long distances, or harsh industrial conditions.

Key Features

Supports data rates up to 115200 bps for both 1063 and 1250n protocols
Bidirectional conversion between copper and multimode fiber
Compact metal housing with DIN rail mounting for easy integration
LED status indicators for power, link, and error conditions
Built-in loopback test mode for troubleshooting
Wide operating temperature range from -10 to 55 degrees Celsius
Power consumption less than 2 watts

Technical Specifications

Model / Part Number: 21H9756
Serial Interface: DB9 male/female, optional RJ45
Fiber Type: Multimode 62.5/125 µm
Wavelength: 850 nm
Maximum Cable Length: 2 km (single mode optional)
Connector Type: LC duplex
Supply Voltage: 12 V DC
Dimensions (H x W x D): 2.5 in x 1.5 in x 0.8 in
Compliance: CE, FCC Class B

Applications
The converter is ideal for use in manufacturing automation, process control, railway signaling, and building management systems where long distance serial communication is required. It also serves data acquisition networks, point of sale (POS) installations, and legacy equipment integration in modern fiber-optic infrastructures.