5.1.3 Appendix A3: Features and specifications of AlphaConnect P411
communication station
• Flush mount version
• Type approved
• Built-in relay contact for driving flash/ horn
• Display with auto dimmed red back-light
• 4 wires needed (1 pair speech, 1 pair power supply)
• Full duplex, hands-free and PTT
• Connects handset
• Connects headset (8 ohms 1W)
• Connects 10W external speaker
• Connects external microphone and foot-switch
• Volume adjustment
• 3 speed dial buttons
• Busy tone disconnects
• 4 ringing sounds
• 18-32V DC power 250mW standby max. 15W operating
• 25 to 70 °C operation
• Line voltage 20-50V DC ringing 40-90Vrms @20-50Hz
• Line impedance 600ohm
• DTMF & LD dialing
• Relay contacts 24V DC 1A.
• Hands free speaker output 85dB 1m
• Hands free microphone max 110dB
• Headset speaker out 1W 8ohm
• External speaker out 12W > 8ohm
• EN60945 compliant
64 | Appendices
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