Specifications

128 Module 127: Protege DIN Rail Hardware Configuration | LED Indicators
Modem Indicator
The Modem indicator shows the status of the onboard modem.
State Description
On (green) Modem has control of telephone line
Off Modem is not active
Bell Indicator
The Bell indicator shows the status of the bell output and the over current or circuit fault conditions.
State Description
Off Bell is connected, output is OFF
On (green) Bell is ON
Single (green) flash Bell is ON, the circuit is in over current protection
Two (green) flashes
Bell is OFF, the circuit to the siren/bell is cut, damaged or
tampered