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VMP-503

Main Station With Loudspeaker

Designed for use with ACM exchanges and for wall mounting.
Handsfree open conversation or private when used with Handset VMP-211 or VMP-250.
Built-in loudspeaker
Built-in electret microphone gives clear sound
Keyboard with large digits
C-key for cancelling calls
M-key for manual switching of speech direction (simplex).
Voice operating duplex speech.
Public Address messages via General Call and Group
Calls with automatic answer back, are available
Audio Programmes can individually be selected and received.
Screw terminals for easy connection of Installation cables and optional

GENERAL
Operation voltage	Powered from exchange
Cable requirements	Twisted 2 pairs 0.5mm2 outer screen
Connections	Screw terminals
Loudspeaker Output	1.4 W
Internal Loudspeaker impedance	63 ohm
Frequency range	300 - 5000 Hz
Temperature range	-40°C to +55°C
Mic. Impedance for external handset	200 - 600 ohm
Material	Bayblend plastic Membrane keyboard foil of cured PVC
Colour	Grey
IP- class	IP-65
Dimensions (mm)	124W x 224H x 63D
Weight	0,75 kg