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CHAPTER 2

System Setup

A window similar to the one shown in Figure 21 is displayed.

Browse until you find the configuration file that was previously

saved from a backup operation, then select the file. Click Open to

upload the file to the gateway.

Note: The Restore operation is in fact identical to the Import from

addVANTAGE 3.46 operation described in Step 8 on

page 32.

About the LED Indicators

The A840 Telemetry Gateway has five LED indicators on its panel.

The indicators have a different significance based on whether the

device is operating in the usual Linux mode or in hermit mode (for

upgrading software and in other unusual circumstances).

“Advanced Functions” on page 53 provides more details about

the operating modes.

Linux Mode

LAN and ACT

These two LEDs are active only if you have a network cable

attached to the gateway and the network section is enabled. In

addition, the mains (110/220 volt) must be present, that is, the

gateway must not run out of its internal battery. The LAN LED is lit

while the Ethernet line is operational, and the ACT LED shows

activity on the Ethernet line.

USR and RUN

The USR LED lights when communication takes place over the RS-

485 line, that is, to or from the A440 Wireless Modem unit. The

RUN LED is currently not used in Linux mode.

PWR

Table 2 summarizes the PWR LED significance:

Table 2. The PWR LED Indicator

Mains PWR LED Battery

Present ON unknown

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Adcon A720 Betriebsanweisung Seite 50