Code:

INTR-C (v. 1.0)

Name:

Interface RS485-TTL

Destination The RS485-TTL „INTR-C” interface is intended for cooperation with PSUs of the EN54C-LCD and HPSG3-LCD series. Interface enables connecting of PSU to RS485 bus remaining galvanic isolation. Communication in RS485 bus is due to a two-way channel, differential in a half-duplex system where transmitting and receiving data is alternate.
Power supply 3.3 V DC
power through SERIAL outlet
Compliant with standards Permission of Scientific and Research Centre for Fire Protection - National Research Institute for use with power supplies of EN54C-LCD series in fire alarm systems
Dimensions 63 x 20 x 50 [+/-2 mm]
TTL transmission’s speed max. 115200 bauds
Connection with power supply SERIAL
Indication LED optical indication
Warranty 3 years
Notes - cooperation with the PowerSecurity web application
- galvanic isolation between RS485 interface and TTL