SATEC EM920 Installation Manual - Manual (Page 26)

Chapter 20
RS-232 mode
In the RS-232 mode, the 485/232 wire must be tied to GND wire as shown in figure 25
Figure 25: Serial Communica tion Connection – RS-232 COM4
IRIG-B
1-ms satellite-synchronized clock from a GPS satellite clock that has an IRIG-B time code
output connected to the IRIG-B input port.
Connect the GPS receiver IRIG-B output to the IRIG-B/GND wires respectively.
E T H E R N E T C o m m u n i c a t i o n p o r t ( E T H – o p t i o n a l m o d u l e )
The 10/100Base T Ethernet port – ETH is provided by optional module: ETHERNET module.
The ETHERNET Communication port is terminated with RJ45 connector, as shown in
figure 24.
Figure 26: ETHERNET connection
The ETH module provides additionally to COM4 indication
GREEN LEDS, ETHERNET indication leds :
"LNK" GREEN LED/ "ACT" ORANGE LED, when "LNK" is "ON"
continuously and "ACT" is blinking, it shows that the
ETHERNET is active