NA611-SA highly reliable WiFi serial server (RS485 ⇌ WiFi)
[WiFi version]：802.11 b/g/n
[Communication interface]：RS485
[Working frequency band]：2.412GHz ~ 2.472GHz
[Working voltage]： AC 85～265V
[Introduction]：NA611-SA is a high-performance and highly reliable WiFi serial server (RS485 ⇌ WiFi). Works in the 2.4G frequency band, realizes RS485 data to realize device networking data exchange through WiFi, supports IEEE802.11 b/g/n standard, supports 4-way Socket connection; supports Alibaba Cloud, Baidu Cloud, OneNet, standard MQTT protocol; supports TCP/ UDP/HTTP/MQTT multiple network communication protocols.
| Serial number | Pin | Pin direction | remarks |
|---|---|---|---|
| 1 | Restore | Restart/factory reset button | Short press to restart, long press 5S device to restore factory |
| 2 | ANT | RF interface | SMA-K, male thread inner hole, characteristic impedance 50Ω |
| 3 | DC/AC | Power interface | DC/AC power input port, crimped port |
| 4 | RS485 | RS485 communication port | Standard RS485 interface |
| 5 | PWR | Power Indicator | Lights up when the power is turned on |
| 6 | STATE | Fault indicator | Steady on: Device failure |
| 7 | DATA | Data transceiver indicator | Always off: no data is sent or received |
| 8 | LINKA | WIFI connection indicator | Flashing: WIFI or serial port receives data |
| 9 | LINKB | data link indicator | Steady on: WIFI connection is successful |