Analog extension card MITEL ETAB4 (4 x FXS) for telephony systems, 4 FXS ports

The MITEL ETAB4 analog extension card provides four FXS ports to connect analog telephones and fax machines to compatible Mitel telephony systems. Designed for use in business telephony environments, the card adds plain old telephone service (POTS) style interfaces to a digital PBX platform. Supplied with a WA-2W module, the ETAB4 supports basic voice calls and fax transmission for legacy devices and small office setups.

Advantages

The ETAB4 offers straightforward expansion of analog device interfaces without requiring changes to existing handsets or fax equipment. Installation is compact and adds four independent FXS ports for direct device connection. The module is intended to integrate with Mitel telephony systems, enabling continuity for organizations that retain analog endpoints while migrating core telephony functions to a digital platform.

Suitable for

• Small and medium office PBX expansion
• Connecting analog telephones and fax machines
• Integrating legacy voice devices into a Mitel system
• Temporary analog device support during telephony upgrades

Key specifications

• Interface type: 4 FXS ports for analog devices
• Supported endpoints: Analog telephones and basic fax machines
• Supply: Supplied with WA-2W module for system compatibility
• Use case: Adds POTS-style voice/fax interfaces to Mitel telephony systems
• Form factor: Pluggable expansion card for compatible PBX chassis

How to use

Install the ETAB4 card into a compatible Mitel telephony system slot according to the system manual, ensuring the WA-2W module is fitted as supplied. After physical installation, configure the telephony system to enable and assign the new FXS ports to extensions or trunks as needed. Connect analog telephones or fax machines directly to the FXS ports using standard telephone cabling. Verify dial plan, caller ID and fax settings on the PBX to ensure proper operation with analog devices.

Usage recommendations

Use the ETAB4 to maintain service for analog endpoints during phased upgrades to digital handsets or SIP devices. For reliable fax transmission, test settings with your PBX fax handling options and use short, quality cabling runs between the card and devices.