The 3-RS485B card provides a Class B, Class A or Class X circuit for network communications signals and a second Class B circuit for the digitized audio signals
One Class A,X/B network data circuit and one Class B audio data circuit. Add suffix “-E” for EN54 compliant versions
The 3-RS485B card provides a Class B, Class A or Class X circuit for network communications signals and a second Class B circuit for the digitized audio signals