Name: Modem Adapter Revision AO
Brand: Cisco
Price: 9.95 USD
Availability: InStock

Cisco 74-0458-01 Modem Adapter Revision AO

The Cisco Modem Adapter Revision AO (part number 74-0458-01) is a compact, high-performance interface module designed to connect legacy serial devices to modern Ethernet networks. Engineered for reliability and ease of deployment, this adapter enable... Read More

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$9.95

In Stock: 1
Manufacturer: Cisco
Model or Part: 74-0458-01
Condition: New
Weight: 0.20lb

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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 Cisco Modem Adapter Revision AO (part number 74-0458-01) is a compact, high-performance interface module designed to connect legacy serial devices to modern Ethernet networks. Engineered for reliability and ease of deployment, this adapter enables seamless data transfer between older equipment and contemporary IP-based infrastructures, extending the useful life of valuable assets while reducing the need for costly replacements.

Key Features

Supports RS-232, RS-422 and RS-485 serial standards for maximum compatibility
Integrated Ethernet port provides 10/100 Mbps connectivity
Plug-and-play installation with no additional drivers required for most Cisco platforms
Robust metal housing protects against environmental stress and electromagnetic interference
LED indicators for power, link status and data activity simplify troubleshooting

Technical Specifications

Model/Part Number: 74-0458-01
Serial Interface: DB9 male connector, supports up to 115200 bps
Ethernet Interface: RJ45, 10/100 Mbps auto-negotiation
Power Supply: 12 VDC optional, or Power over Ethernet (PoE) compliant
Operating Temperature: 0 to 50 degrees Celsius
Storage Temperature: -20 to 70 degrees Celsius
Dimensions: 2.5 in x 1.5 in x 0.6 in (L x W x H)
Weight: 0.3 lbs

Applications

Industrial automation systems that require serial to Ethernet conversion
Legacy point of sale (POS) terminals integrating with modern network back-ends
Building management and HVAC controls that use RS-485 communication
Remote monitoring stations where Ethernet infrastructure is available but serial devices remain in use
Telecommunications equipment upgrades that need to retain existing serial interfaces

By delivering reliable serial-to-Ethernet conversion in a rugged package, the Cisco Modem Adapter Revision AO helps organizations protect their investments, simplify network architecture, and improve overall operational efficiency.