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| PB-SIO4A |
| Quad Asynchronous Serial RS-422/485 ModPack |
| The PB-SIO4A is a high-speed 4 opto-isolated channel asynchronous full-duplex RS422 or RS485 piggyback for use with ModPack carrier boards. Opto-isolation separates the RS422 or RS485 signals from the system and requires an external isolated 5V DC supply through the frontpanel connector of the carrier board. For four ports of RS-232 ask about the PB-SIO4 model. |
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