PLANET ICS-102 - Manual (Page 16)

User’s Manual of ICS-10x
-11-
Figure 2-8 PLANET ICS-105A Front Panel
2.1.2 LED Indicators
LED Color Function
PWR Green Lights To indicate that the Switch is powered on.
Lights
To indicate that the Fast Ethernet Port is successfully connecting to the
network at 10Mbps or 100Mbps
TP or Fiber Green
Blinks To indicate the Fast Ethernet Port is receiving or sending data
Lights To indicate that the RS-232 Port is connected successfully
Lights
and off
To indicate the RS-422 Port is receiving or sending data
Serial Green
Lights
and off
faster
To indicate the RS-485 Port is receiving or sending data
2.1.3 DB9 Pin Define
 DB9 Pin Define for RS-232 / RS-422 / RS-485
DB9-PIN RS-232
RS-422/485
4-wire
RS-485
2-wire
1 DCD
2 RXD
3 TXD
4 DTR RX- Data B(-)
5 GND
6 DSR TX-
7 RTS RX+ Data A(+)
8 CTS TX+
9 RI