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66250675-EN - V1.0 - 05/09/17
13
4000 Series Vandal Resistant GSM Audio Intercom with Proximity Facility
4000 Series Vandal Resistant GSM - Technical Manual
Technical Information
ART. VR4KGSM MODULE
SPEAK BUSY OPEN
103mm
120mm
CN3
CN1
USB
CN6
CN5
Art.150
GSM Unit for VR Panels
Antenna
Wiegand
Button
Harness
UIM-138
USB
VR4KGSM-0
VR4KGSM-1
VR4KGSM-2
VR4KGSM-3
Fig. 9
SPEAKER VOLUME ADJUSTMENT (DIP-SWITCH SETTINGS)
There are 2 dip-switches located on the back of the VR4KGSM module under the SIM card holder, see
Fig.9
. They can be used to
adjust the volume from the door intercom speaker (see table below). Additionally, the volume can also be adjusted during a call
electronically via the telephone keypad (refer to user command table 1 on page 51).
Dip-Switch
Dip-Switch Status
Gain (dB)
Dip No.1
Dip No.2
1
2
ON
ON
ON
6
1
2
ON
ON
OFF
12
1
2
ON
OFF
ON
18
1
2
ON
OFF
OFF
23.5
Call progress LED’s
(speak, busy & open)
Terminal connections
SIM card holder
Intercom speaker
Speaker volume dip-switches
Display interface connection
Micro USB
connection
Antenna connection
Wiegand reader connection
Button harness connection
Call button