
Hardware Installation
3-10
Indication LEDsThere are 22 indication LEDs located on the IP Gateway’s front panel. These LEDs provide an
indication of the board status and communication ports activity. Table 3-4 below describes
each indication. The front panel and LEDs are shown in Figure 3-6 below.
Indication Port Description
PWR The IP Gateway is DC powered.
RST A hardware or software reset is being executed.
DIAG An ERROR Message is pending in the Error-Logger.
TX Port 1
CM Port 1 RS-232 - Not supported
RX Port 1
TX Port 2 Data Transmission
CM Port 2 Busy Channel
RX Port 2 Data Reception
TX Port 3 Data Transmission
CM Port 3 Busy Channel
RX Port 3 Data Reception
TX Port 4 Data Transmission on port 4
CM Port 4 Busy Channel - port4
RX Port 4 Data Reception
TX Ethernet Data Transmission on Ethernet port
RX Data Reception on Ethernet port
COL A collision is sensed on the Ethernet lines.
TP The twisted pair port is selected (J6).
LI Link integrity is ok.
POL A reverse polarity is sensed on the reception lin e.
JAB A jabber condition is sensed on the twisted pair lines.
Table 3-4: List of Indications
Note: When reverse polarity is detected on the reception lines (High and Low), the indication
POL is lit, but the reception is not disabled.