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Product Instruction Manuals, Datasheets, and App Notes

1-2 Channel RS232 Serial Relay Boards (180KB, PDF)

1-2 Channel RS232 Serial Relay Boards w/IO (193KB, PDF)

8 Channel RS232 Serial Relay Boards w/IO Port (222KB, PDF)

8 Channel RS232 Serial Relay Boards w/Opto-isolated Input (218KB, PDF)

8 Channel RS232 Serial Relay Boards (213KB, PDF)

1-2 Channel USB Relay Boards (591KB, PDF)

8 Channel USB Relay Boards All Versions (337KB, PDF)

Relay Datasheet (38KB, PDF) - Potter & Brumfield specification sheet for the standard relays used on our boards.
Note:  We are are currently phasing out the standard Potter & Brumfield (Tyco) and replacing them with the relays shown below:  All specifications for the Potter & Brumfield will apply to the new relays.

Relay Datasheet (162KB, PDF) - CIT relay specification sheet for the standard relays used on our boards.
  

Reed Relay Datasheet (272KB, PDF) - Reed Relay specification sheet for the optional relays used on our boards.

Application Note 115 (92K, PDF) - How to determine if our serial relay boards will operate with a specific software or operating system.

Application Note 156 (127 K, PDF) - Detailed board command information.

Application Note 158 (172 K, PDF) - Operation and wiring examples for the I/O Ports and Opto-isolated Input Ports.

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