User's Manual

PMP320HDW2v1 2-15
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LED indicator Chapter 2: AP Hardware Installation
LED indicator
The LED display for the AP are either Green or off .
Figure 2-3 LED location diagram
Table 2-2 LED indicators for the AP
LED Description
PWR (D14) P ower – green indicates the DC power
is on. This LED indicates that
the board is powered on.
SYN/1 (D13) Synchronization indicator – this indicator is
on whenever the AP is synchronized with the
GPS , or when ever the GPS is not used at all.
SES/2 (D12) Not used, but is always ON .
LNK/5 (D9) GMAC Ethernet – the LED is on when
the GMAC Ethernet link is up.
ACT/4 (D10) Activity – indicates activity on the ENET port.
GPS/3 (D11) GPS pulse indicator – this LED is
on every 1 pps interrupt, and turned off
20 frames after 100 milliseconds).