ETERNITY GE CARD E&M4

Features of ETERNITY GE CARD E&M4

Expansion Card for E&M Ports

Product Description

ETERNITY GE CARD E&M4 is a hardware expansion card designed for Matrix ETERNITY GE series IP-PBX systems. It provides 4 E&M (Ear & Mouth) tie line ports, enabling direct connectivity between PBX systems and external E&M-compatible trunk or radio-style communication interfaces.

This card is commonly used in enterprise, industrial, and mission-critical communication environments where PBX systems need to interconnect via tie lines or integrate with radio/legacy communication systems. Each port can be configured as a station, trunk, or tie line, offering flexible deployment options for complex telephony networks.

Key Features

• 4-port E&M (Ear & Mouth) tie line interface card
• Supports PBX-to-PBX interconnection
• Each port configurable as station, trunk, or tie line
• Supports flexible routing for incoming and outgoing calls
• Compatible with E&M Type-4 and Type-5 signaling
• Supports 2-wire and 4-wire speech interface configuration
• Designed for Matrix ETERNITY GE series systems
• Reliable interface for mission-critical communication setups

Technical Specifications

System Requirements

Applications

• PBX-to-PBX interconnection (enterprise campuses)
• Telecom tie-line networks
• Industrial communication systems
• Utility and infrastructure communication setups
• Radio integration environments (where applicable)
• Multi-location enterprise voice connectivity

Important Notes

• This is a hardware expansion card, not software
• Each port can be configured for station, trunk, or tie line usage
• Requires compatible ETERNITY GE PBX system
• Proper configuration is required for signaling and interface mode
• Used primarily in enterprise-grade or specialized telecom deployments