Magtek MDYNAMO, Инструкция по установке и эксплуатации

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4 - Operation
mDynamo| EMV Contact Reader / Transaction Hub Module | Installation and Operation Manual
Page 23 of 27 ( D998200144-14 )
4.2 About the General Status LED
mDynamo’s on-board General Status LED and the
External LED Connector [J2] can be used to provide
feedback to operators and cardholders about the internal state of the device (see Figure 1-1 ). By default,
the device drives J2 to match the General Status LED. However, custom software on the host the device
is connected to may completely override the External LED behavior.
Table 4-1 shows how to interpret the colors and flashing patterns of the General Status LED, and the
behavior of an external LED if the host is not overriding the
J2
behavior.
Table 4-1 – General Status LED Meaning
Color Flashing Pattern Meaning
Off Off
The device is not receiving adequate power from
the host via the USB port.
Green Steady On The device is ready to read a contact chip card.
Red Steady On
An operator is updating the firmware. On
completion, the device will reset and the LED will
turn off briefly.