Instruction manual

42 PCM-7890 User Manual
Ethernet LED signal connectors
(LED1)
The PCM-7890 supports three sets of LED connector for
external LED indicators.
Ethernet active signal LED (J14)(J15)
Flashing Tx or Rx LEDs indicate that the PCM-7890 is transmit-
ting or receiving data.
Ethernet link signal LED
A continuously lit LED indicates good linkage between the
PCM-7890 and its supporting hub.
Ethernet LED signal connectors (LED1)
Pin Signal
1 Rx LED
2 +5V
3 Link LED
4 +5V
5 Tx LED
6 +5V