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P/N: 1802006811010 

*1802006811010* 

DA-681C Series 

Quick Installation Guide 

x86 Rackmount Embedded Computers 

Version 1.0, November 2019 

Technical Support Contact Information 

www.moxa.com/support 

Moxa Americas: 
Toll-free: 1-888-669-2872 
Tel:  1-714-528-6777 
Fax:  1-714-528-6778 

Moxa China (Shanghai office): 
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Tel:  +86-21-5258-9955 
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Moxa Europe: 
Tel:  +49-89-3 70 03 99-0 
Fax:  +49-89-3 70 03 99-99 

Moxa Asia-Pacific: 
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Fax:  +886-2-8919-1231 

Moxa India: 
Tel:  +91-80-4172-9088 
Fax:  +91-80-4132-1045 

 

 

 

 

 

 

 2019 Moxa Inc. All rights reserved. 

 

 

Summary of Contents for DA-681C Series

Page 1: ...com support Moxa Americas Toll free 1 888 669 2872 Tel 1 714 528 6777 Fax 1 714 528 6778 Moxa China Shanghai office Toll free 800 820 5036 Tel 86 21 5258 9955 Fax 86 21 5258 5505 Moxa Europe Tel 49 89 3 70 03 99 0 Fax 49 89 3 70 03 99 99 Moxa Asia Pacific Tel 886 2 8919 1230 Fax 886 2 8919 1231 Moxa India Tel 91 80 4172 9088 Fax 91 80 4132 1045 2019 Moxa Inc All rights reserved ...

Page 2: ...quisition With IEC 61850 3 and IEEE 1613 compliance the DA 681C is sure to deliver stable and reliable system operation for power applications EN 50121 4 compliance confirms that the DA 681C can deliver stable and reliable system operations in rail wayside applications such as station SCADA systems wayside disaster prevention traction power and signaling and safety systems to provide an integrated...

Page 3: ...he DA 681C Hardware User s Manual Front panel LEDs There are 42 LED indicators on the front panel which are described in the following table LED Color Description Power Green Power is on Off No power input Storage Yellow Blinking Data is being written to or read from the storage unit Off Storage unit is idle Power 1 Failure Off The 1st power supply is on Red Error in the 1st power supply Power 2 F...

Page 4: ...S In addition there are 10 serial ports P3 to P12 that use terminal blocks Refer to the following table for the pin assignments Pin RS 232 RS 422 RS 485 4 wire RS 485 2 wire 1 TxD TxD TxDA 2 RxD TxD TxDB 3 RTS RxD RxDB Data 4 CTS RxD RxDA Data 5 GND GND GND GND USB Ports The DA 681C comes with 2 USB 2 0 ports on the front panel and 3 USB 3 0 ports on the rear panel The USB ports can be used to con...

Page 5: ... of the computer Refer to the figure on the right for a detailed pin definition of the relay output connectors Installing a Storage Drive The DA 681C is provided with a storage slot located on the front panel for storage expansion Follow these steps to install a SATA disk 1 Unfasten the screw on the storage slot cover and pull down the cover to access the storage tray 2 Push the clutch on the stor...

Page 6: ...the four screws to secure the SATA disk to the tray as indicated in the diagram below 5 Insert the storage tray back into the storage slot Ensure that the tray is inserted correctly into the rails of the storage slot and the tray slide smoothly inside the slot 6 Slide the storage slot cover back and fasten the screw to secure it For details on installing other peripheral devices refer to the DA 68...

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