From Zenitel Wiki
TAX-2b is an Ex-Approved Plugbox & Cable for Headset with PTT.
- 10m cable for EX-areas
- Compact, rugged plugbox with PTT for Industrial application
- IP Rating: IP66
- For use with Headset - AK5850HS
- Designed for Exigo & Turbine EX explosion-proof intercoms
Connecting TAX-2b Plugbox to TFIX series Intercoms
Connect the wire ferrules on the Plugbox cable to the terminal block according to the pin configuration below. Note that the black (shield) wire is labeled MIC- and the black (main shield) wire is labeled GND.