Name: RJ-45 to DB-25 Modem Adapter
Brand: Cisco
Price: 10.95 USD
Availability: InStock

Cisco 29-0881-01 RJ-45 to DB-25 Modem Adapter

Overview The Cisco RJ-45 to DB-25 Modem Adapter (part number 29-0881-01) provides a reliable bridge between modern Ethernet networking equipment and legacy serial modem devices. Designed for easy installation, this compact adapter converts the RJ-45 ... Read More

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$10.95

In Stock: 18
Manufacturer: Cisco
Model or Part: 29-0881-01
Condition: Refurbished
Weight: 1.00lb
Dimensions: 3.15in x 1.85in x 1.06in

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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 Cisco RJ-45 to DB-25 Modem Adapter (part number 29-0881-01) provides a reliable bridge between modern Ethernet networking equipment and legacy serial modem devices. Designed for easy installation, this compact adapter converts the RJ-45 connector used in Cisco routers and switches to a standard DB-25 connector, allowing you to integrate older serial communication hardware into current network infrastructures without the need for additional conversion boxes.

Key Features

Seamless RJ-45 to DB-25 conversion for Cisco routers, switches and firewalls
Robust metal housing for durability in harsh environments
Plug-and-play design with no configuration required
Supports full duplex data transmission up to 115200 bps
Compatible with Cisco IOS and IOS XE software releases

Technical Specifications

Manufacturer: Cisco
Model / Part Number: 29-0881-01
Connector Type: RJ-45 (male) to DB-25 (female)
Interface: Serial RS-232
Maximum Data Rate: 115200 bps
Operating Temperature: 0 to 70 deg C
Dimensions: 1.2 in x 0.8 in x 0.4 in (L x W x H)
Weight: 0.2 lb
Power Requirement: None (passive device)

Applications
The RJ-45 to DB-25 Modem Adapter is ideal for organizations that still rely on legacy modem banks, point of sale terminals, industrial control systems, or remote monitoring equipment that uses RS-232 serial connections. It enables seamless integration of these devices into modern Cisco network architectures, supporting tasks such as remote dial-in access, data collection from serial sensors, and connectivity for legacy telephony equipment. Whether upgrading a data center, expanding a branch office network, or maintaining a mixed-technology environment, this adapter delivers a cost-effective solution that preserves existing investments while extending network capabilities.