5
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⑥ RUN LED
- Turned on when there is a data flow on I-Net port
⑦ IDLE LED
- Turned on when there is not any data flow on I-net port
⑧ Error LED
- Turned on when any error is on the internal system
⑨ MENU Key
- Changing the setting menu
⑩ SELECT Key
- Changing the setting value
⑪ ENTER key
- Storing the changed value
2.3 Rear View
① Power Connector & Fuse
② Power Switch
③ RS-232 Serial Port (D-SUB Male 9Pin)
④ RS-485 Port
⑤ Time Master
- The port for synchronization among GMPCs
⑥ I-net port