Data Sheet
www. vkelcom.com
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VK2828U7G5LF DataSheet
V.KEL Communications Equipment(SHENZHEN)Co., Ltd
VK-162 说明书
深圳市微科通讯设备有限公司
V1.0
G-M OUS E
1.3 Pins
Pins’ Definition
Name
Function Description
PPS
Output time pulses (pulses per second)
VCC
The main power supply is +3.3V~+5V, and the power consumption is
50mA in one hour
TX
UART/TTL interface, and RS232_TXD is optional
RX
UART/TTL interface, and RS232_RXD is optional
GND
Connect to the ground
EN
Power Enable: high level means the module works, low level means
the modules is closed.
EN
GND
RX
TX
VCC
PPS
1.25mm spacing
between pins,
6 pins Connector
Shielding Case
Power Indicator
Red lights means the
power is working
normally
PPS Indicator
(
Green light flashing
means positioned
)