Siemens SIMATIC NET RUGGEDCOM RS920W Equipment Manual page 12

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Figure 1.1
POWER LED
ALARM LED
Console Port
Communication Ports
Failsafe Alarm Relay
Power Supply Terminal Blocks
RUGGEDCOM RS920W
Equipment Manual, 11/2023, C79000-G8976-1033-12
POWER LED
ALARM LED
EoVDSL Port
Wireless Ethernet Ports
Serial Ports
RS232 Console Port (Serial)
Failsafe Alarm Relay
Chassis Ground Connection
Power Supply Terminal Block
RUGGEDCOM RS920W
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Illuminates green during boot up and when power is supplied to the
device.
Illuminates red when an alarm condition exists.
The serial console port is for interfacing directly with the device
and accessing initial management functions. For information
about connecting to the device via the serial console port, refer to
"Connecting to the Device" (Page 19).
Communication ports in general receive and transmit data, as
well as provide access to the RUGGEDCOM ROS Web interface.
For more information about the various ports available, refer to
"Communication Ports" (Page 21).
Latches to default state when a power disruption or other alarm
condition occurs. For more information, refer to:
• "Connecting the Failsafe Alarm Relay" (Page 12)
• "Failsafe Alarm Relay Specifications" (Page 27)
Pluggable terminal blocks for connecting one or
more power sources. For more information, refer to
"Connecting Power" (Page 13) and "Power Supply
Specifications" (Page 27).
Introduction
1.2 Description
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