DSC WS4920 User Manual

4
2. Attach battery cable to connector on PC board.
Depending on the charge state of the battery, a low battery trouble condition may be registered
on initial power up. The trouble may take several hours to clear.
To connect the AC adaptor:
1. Run AC wire through channel on back of WS4920 and pass through hole in enclosure.
2. Connect AC wires to terminals on PC board (see Figure 4).
3. Route wire around retaining bracket to secure.
4. Plug AC adaptor into wall outlet.
Figure 3: Removing the Cover Figure 4: Power Connections
Figure 5: Wire Routing
AC
Terminals
Battery
Connector

DSC WS4920 Specifications

General

Product color	White
Compatible products	ALEXOR, PowerSeries 9045/47, PowerSeries PC1616/PC1832/PC1864, . MAXSYS PC4010/PC4020 PC5132/RF5132/RF5108/. RFK5500/RF5501, MAXSYS RF4164 WS4945, WS4975 WS4904, WS4904P, WLS914-433 WLS912L-433 WS4913 WS4916 WS4938, WS4938-2W WS4939 WS4979
Battery low indication	Yes
RF transmission frequency	433.92 MHz
Number of devices supported	164
Operating temperature (T-T)	-10 - 55 °C
Operating relative humidity (H-H)	5 - 93 %
Input voltage	120 V
Battery voltage	4.8 V
Input frequency	50 Hz
Built-in battery	No
Operating current	0.1 A
Power source type	AC, Battery
Battery technology	Nickel-Metal Hydride (NiMH)

Weight and Dimensions

Depth	33.8 mm
Width	113.5 mm
Height	176.8 mm
Weight	- g