Model No.
Video Intercom System with Wireless Monitor (2.4 GHz)
VL-SW251
* Only for distribution in Middle East, Asia & Oceania
System Configuration
Wiring Schematic Diagram
Expanded system example
Up to
+
Video Intercom System
VL-SW251
+
Door Station
VL-V522L
2
+
Wireless
Sub Monitor
VL-W605
DOOR STATION 1
Up to
3
DOOR STATION 2
Rear view
Rear view
VL-F
AN1
IN USE
(LED)
M
STATU
S
GRA
PRO
Repeater for
Wireless Monitor
VL-FAN1
(Non polar)
(Non polar)
PBX**
Bedroom
Room 1
Room 2
Rear view
MAIN MONITOR
Living Room
Kitchen
Den
TERMINAL BOX
(4‐conductor wiring)
PBX*
* VL-SW251AZ, VL-SW251BX
models only
< 2 Wire >
(Non polar)
(Non polar)
(Non polar)
Electric lock
Electric lock
Power plug
(100 - 240 V AC)
Repeater
ELECTRIC LOCK
* VL-SW251AZ, VL-SW251BX models only
Communication and layout example
You can set up to 2 optional repeaters.
・One repeater can relay radio waves between the main monitor
and multiple sub monitors (up to 4).
you set a repeater between the main monitor and sub
・Ifmonitors
located at a distance, the repeater expands the radio
・Wire (between the main monitor and the door station):
・
・
wave range and may improve image distortion and/or sound
cutting in and out.
Signal range differs depending on factors such as the structure
of rooms or the types of walls used.
ELECTRIC LOCK
Wire type and length
Type
Distance
General cable CAT-3
Maximum 50 m
General cable 22 AWG (ø 0.65) Maximum 100 m
Wire (between the main monitor and PBX):
Type: General cable CAT-3 or 22 AWG (ø 0.65)
Distance: Maximum 100 m
Loop resistance
10 Ω or lower