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RUGGEDCOM RS920W
Installation Guide
6
Figure 11: EoVDSL RJ11 Modem Port
Section 4.3
Serial Ports
The RUGGEDCOM RS920W supports DB9, RJ45 and ST (Straight Tip) fiber serial ports, all of which can be run in
RS232, RS485 or RS422 mode.
NOTE
On power-up, all serial ports default to RS485 mode. Each port can be individually set to RS232, RS485
or RS422 mode through RUGGEDCOM ROS. For more information, refer to the RUGGEDCOM ROS User
Guide for the RUGGEDCOM RS920W.
All serial ports feature an LED that indicates the current state of the port.
Green
Off
For specifications on serial ports, refer to
Serial Ports
1
State
Section 5.3, "Serial Port
Pin
1
2
3
4
5
6
Description
Link activity detected
No link detected
Specifications".
Chapter 4
Communication Ports
Description
Reserved (Do Not Connect)
Reserved (Do Not Connect)
Ring
Tip
Reserved (Do Not Connect)
Reserved (Do Not Connect)
21
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