Safe checkout
Secure payments
Fast dispatch
1–2 day handling
Free shipping
U.S. ground
Warranty & RMA
Support after delivery
3Com 0231A77Q 4 x Ports T1 IMA Flexible Interface Card
- 4 x T1 IMA Ports
- Flexible Interface Card
- WAN Connectivity
- Inverse Multiplexing over ATM (IMA)
- Aggregates multiple T1 lines
- Provides higher bandwidth for data transmission
- Suitable for branch office connectivity
- Supports fractional T1 services
0231A77Q isn't on our shelf today — we source it to order. Request a quote and we'll confirm price and lead time within one business day.
Key specifications
See full specs ↓- Product Type
- Interface Card
- Port Type
- T1 IMA (Inverse Multiplexing over ATM)
- Number of Ports
- 4
Product details
The 3Com 0231A77Q is a Flexible Interface Card featuring 4 x T1 IMA (Inverse Multiplexing over ATM) ports. This card is designed for WAN connectivity, allowing multiple T1 lines to be aggregated to provide higher bandwidth for data transmission.
Technical Information
| Product Type | Interface Card |
| Port Type | T1 IMA (Inverse Multiplexing over ATM) |
Additional Specifications
| Number of Ports | 4 |
Description
The 3Com 0231A77Q is a specialized network interface card designed to enhance Wide Area Network (WAN) connectivity by leveraging Inverse Multiplexing over ATM (IMA) technology. This card is equipped with four T1 ports, each capable of operating at the standard T1 data rate of 1.544 Mbps. The core functionality of IMA is to aggregate multiple lower-speed links, such as T1 lines, into a single, higher-bandwidth logical connection. This allows organizations to achieve greater bandwidth than a single T1 line can provide, without necessarily upgrading to more expensive leased lines like T3 or E3. This flexible interface card is particularly valuable for branch offices or locations that require reliable and cost-effective WAN connectivity. By bonding multiple T1 circuits, the 0231A77Q can deliver a combined bandwidth that is sufficient for data-intensive applications, VPNs, or supporting a larger number of users. The IMA protocol ensures that traffic is distributed across the available T1 links and can dynamically adjust to link failures or availability, providing resilience and efficient utilization of bandwidth. In essence, the 3Com 0231A77Q provides a scalable solution for increasing WAN throughput. It enables businesses to maximize the value of their existing T1 infrastructure by intelligently combining these lines to meet growing bandwidth demands, making it a practical choice for optimizing network performance and reducing connectivity costs.
Condition: Refurbished
Free U.S. ground shipping
Typically 1–2 days handling, 3–7 days in transit.
Purchase orders accepted
Government, enterprise, data center and small business.
Buying 10+ units?
Get volume pricing and availability for 0231A77Q.
