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| Ethernet |
Activity |
Green LED is on solid during portions of the boot-up process, and then flashes briefly when Ethernet network traffic is detected. |
| Link |
Yellow LED indicates an Ethernet link is present. This indicator will light if a link is present regardless of processor or network activity. If not lit, check network wiring. |
Comm Status
DEV DATA |
Packet |
Yellow LED (right) flashes each time a packet is sent on the RS-485 network. If this LED is not blinking, the gateway is not attempting to communicate with any Modbus device. Check configuration. |
Comm Status
DEV STATUS |
Good Reply |
Green LED, flashes on each time a good packet is received in response to a Modbus request to a slave device on the RS-485 network. Will not flash if yellow Comm Activity LED (above) did not flash first. |
| Error |
Red LED, flashes on each time a bad packet, or no reply at all, is received in response to a Modbus request to a slave device on the RS-485 network. Will not flash if yellow Comm Activity LED (above) did not flash first. |
| Power Indicator |
- |
Blue LED inside case shows power is applied and power supply is operational |
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