Liebert OpenComms, Инструкция по установке и эксплуатации

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26 NIC Setup and Testing
MODBUS RTU
See Section 5 for a complete explanation of the Modbus slave.
SYSTEM RESET
The OpenComms Network card contains an on-board real time
clock and watchdog circuitry. The card is self-monitoring and
self-correcting. Nevertheless, a pushbutton is provided in the
event that a manual system reset in desired. The Reset
pushbutton is labeled S1 on the interface card: press and hold for
3 seconds before to releasing to initiate hardware reset.
DIAGNOSTICS
A number of LEDs are provided on the interface card to provide
information for diagnostic purposes. The following table
summarizes their indications:
LED Identifier Description
DS1 Ethernet Port Collision
DS2 Ethernet Port Receive
DS3 Ethernet Port Transmit
DS4 Ethernet Port Link
DS5 Not used
DS6 Not used
DS7 Repeater Port Receive
DS8 IGM Port Receive
DS9 Microprocessor in Operation
DS10 Serial Port Receive
DS11 Serial Port Transmit
DS12 Repeater Port Transmit