Product Overview

The 4E1 to Ethernet Protocol Converter is a high-performance interface bridging device designed to aggregate up to 4 E1 lines and convert them into one 10/100Base-T Ethernet channel. By using inverse multiplexing and GFP encapsulation, this converter enables transparent and reliable Ethernet data transmission over existing E1 circuits with a total bandwidth of up to 7936Kbps.

It provides a seamless, cost-effective solution for extending IP-based networks through legacy TDM infrastructure, ideal for applications in telecom, industrial control, transportation, government, and other mission-critical sectors.

Key Features

• Up to 7936Kbps bandwidth: Aggregates 1 to 4 E1 channels (1984Kbps each) to deliver high-speed Ethernet data transmission.

• Fully compatible with ITU-T standards: Supports G.703, G.704, G.823 for E1; GFP-F (G.7041), LCAS (G.7042), and Ethernet-over-nxE1 (G.7043).

• Automatic E1 detection & load balancing: Automatically identifies available E1 lines and compensates for transmission delay of up to 220ms.

• Transparent Ethernet bridging: Maintains full-frame integrity even during bandwidth scaling or E1 link adjustments.

• Flexible clock options: Supports local and adaptive clocking, including E1 line tracking with auto-switching based on signal quality.

• SNMP & Console management: Supports SNMP network management and optional local console for configuration and monitoring.

• Complete loopback testing: Offers remote/local loopback on both Ethernet and E1 interfaces for rapid troubleshooting.

• Supports VLAN & jumbo frames: Ideal for modern Ethernet deployments with advanced Layer 2 switching and tagging.

Technical Specifications

Ethernet Interface (RJ45)

• Standards: IEEE 802.3, IEEE 802.1Q (VLAN)

• Speed: 10/100Mbps auto-negotiation, full/half duplex

• MAC Table: Supports up to 4096 MAC addresses

• Auto MDI/MDIX: Yes (auto crossover/straight-through detection)

• Max Packet Length: Supports up to 2036 bytes

E1 Interface

• Standards: ITU-T G.703, G.704, G.823 compliant

• Speed: 2048Kbps ±50ppm per channel

• Coding: HDB3

• Impedance: 75Ω (unbalanced) or 120Ω (balanced), selectable

• Line jitter tolerance: G.742, G.823 compliant

• Input signal attenuation: 0~6dB

Environmental & Physical

• Power Supply: AC 180–260V / DC -48V / DC +24V

• Power Consumption: ≤10W

• Dimensions: 216mm(W) × 140mm(D) × 31mm(H)

• Operating Temperature: –10°C to +60°C (Commercial) / –40°C to +85°C (Industrial)

• Storage Temperature: –40°C to +85°C

• Humidity: 0%–95% non-condensing

• MTBF: >100,000 hours

Applications

• Telecom networks: Extend Ethernet services using existing SDH/PDH networks.

• Remote site networking: Connect isolated locations like substations, mines, and rural offices.

• Industrial automation: Enable IP connectivity over TDM for SCADA and remote control systems.

• Military & government: Reliable, low-latency Ethernet communication in secure environments.

• Disaster recovery: Restore IP connectivity over legacy E1 links during network outages.

Why Choose Our 4E1 to Ethernet Converter?

With advanced inverse multiplexing and GFP encapsulation, this 4E1 to Ethernet converter bridges the gap between traditional telecom infrastructure and modern IP networks. Its compact design, industrial-grade reliability, and flexible management options make it the preferred solution for hybrid networks where TDM and IP must coexist seamlessly.

Whether you're building a multi-site enterprise network, modernizing legacy telecom infrastructure, or deploying Ethernet over long distances, this converter offers the performance, reliability, and standards compliance you need.