Technical data

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Dialog 500 Conference unit
Facilitator of a meeting of minds
The Dialog 500 is a full-duplex add-on unit for handsfree speaking functionality and confer-
ence calls. The high-performance unit for professional use features automatic adjustment
of transmission and reception characteristics to compensate for differing room acoustics.
The Dialog 500 can be connected to the handset outlet on Ericsson’s Dialog 3200 series
telephones, as well as all other comparable Ericsson phones.
Highlights:
• Full-duplex conferencing
• Automatic adjustment of transmitting and receiving
characteristics with respect to the acoustics of the room.
• Designed for rooms up to 25 m
2
.
• Omni-directional microphone.
• 3 speakers for the best possible sound distribution.
• On/Off key with an LED to indicate on-position.
• Mute function key disconnecting the microphone (3 red
LEDs indicate when the microphone is muted).
• Volume control keys
Dialog 500 Conference unit
specifications
Analog connection
The Dialog 500 uses a 4-wire connection to
the Dialog 3200 handset modular plug. The
connection is made via a switch box, which
is included in the package in addition to the
cords.
Power supply 13 V, 500 mA. Power supply
for 230 VAC is included
Dimensions and weight
Diameter 232 mm
Height 88 mm
Weight 1100 g
Output tape recorder
3.5 mm earphone type