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Ships from outside of the USA. Please allow up to 3 weeks for delivery.
- In Stock: 3
- Manufacturer: 3Com
- Model or Part: 3C891A
- Condition: New
- Weight: 3.20lb
- Dimensions: 16.00in x 8.00in x 3.00in
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Item Condition
New - Sealed or Open Box ConditionExcellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item
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Overview
The 3Com OfficeConnect ISDN LAN Modem (model 3C891A) delivers reliable and high-speed data communication over ISDN networks for small to medium sized offices. Designed to bridge ISDN BRI lines with Ethernet LANs, this compact device provides seamless connectivity for voice, fax and data services, helping businesses maintain productivity while reducing the need for multiple separate adapters.
Key Features
- Integrated ISDN BRI (2B+D) interface for dual channel operation
- 10/100 Mbps Ethernet port for fast LAN connections
- Supports both data and voice traffic with built-in V.120 and V.110 protocols
- Plug-and-play installation with auto-configuration utilities
- LED status indicators for power, link, and ISDN activity
- Compact metal chassis for durable, rack-mountable deployment
Technical Specifications
- ISDN Interface: BRI (2B+D) 2.0 Mbps per B channel
- Ethernet Interface: 10/100 Mbps RJ45
- Supported Protocols: V.120, V.110, X.25, PPP, TCP/IP
- Power Supply: External 12 V DC adapter, 500 mA
- Operating Temperature: 0 to 40 degrees Celsius
- Dimensions (W x H x D): 150 mm x 44 mm x 115 mm
- Weight: Approx 0.8 kg
Applications
- Connecting office PCs, servers and printers to an ISDN broadband line
- Enabling voice over ISDN for small call centres or remote workstations
- Providing reliable fax transmission over digital lines
- Integrating legacy ISDN equipment into modern Ethernet networks
- Supporting secure VPN tunnels and remote access via ISDN links
With its robust design and versatile feature set, the 3Com 3C891A OfficeConnect ISDN LAN Modem is an ideal solution for businesses that require dependable, high-speed ISDN connectivity without the complexity of multiple adapters.