VINTAGE MATH ASSOCIATES FIBERLINK 10 MEGABIT FIBER OPTIC TRANSMISSION SYSTEM

Presenting a rare complete set of vintage industrial fiber optic communication

equipment from the pioneering era of fiber optic data transmission. This matched

pair includes the XD-7420-2 Digital Transmitter and RD-7420-2 Digital Receiver -

representing cutting-edge technology of late-1980s fiber optic communications. Included AP-2000 Adaptor Plate.

HISTORICAL SIGNIFICANCE:

• Math Associates, Inc. subsidiary of General Microwave Corporation

• From the early commercial fiber optic era (1980s-1990s)

• 10 Megabit data rate - advanced for its time

• Industrial-grade construction with metal housings

• Used in SCADA systems, industrial automation, and data communications

TECHNICAL SPECIFICATIONS:

• Model: XD-7420-2 Transmitter (Serial: 108019)

• Model: RD-7420-2 Receiver (Serial: 1707998)

• Model: AP-2000 Adaptor Plate

• Data Rate: 10 Megabits per second

• Electrical Interface: BNC connectors

• Optical Interface: Standard fiber optic connectors

• Construction: Rugged metal enclosures

COLLECTOR VALUE:

Vintage fiber optic equipment is increasingly sought after by:

• Industrial automation historians

• Fiber optic technology museums

• Educational institutions

• Test equipment collectors

• Retro technology enthusiasts

CONDITION ASSESSMENT:

• Excellent physical condition with original labels intact

• Clean BNC connectors showing minimal wear

• No visible damage or corrosion

• Untested and therefore for parts only

• Includes both transmitter and receiver as matched pair with adaptor plate

These units represent a fascinating piece of telecommunications history when fiber optics first revolutionized long-distance data transmission. Whether for a collection, educational display, or potential restoration project, this transmitter/receiver pair offers significant historical and technical value.

Serial Numbers: RD-7420-2 #1707998, XD-7420-2 #108019

Sold as-is, untested. No returns.

We are a U.S. based seller offering high quality products, service, and fast shipping.