- Isolates, repeats and switches RS-232 signals
- Various isolation options available
- Protocol Independent
- 3-port switching for communication between ports A & C or B & C
- 3-wire operation (TX, RX, GND) for each port except Port A (additional signal DSR)
- Voltage Input : 9 to 36 Vdc
- 4-port Isolation
- DB9 Male Connector at all ports





![Isolated 3-Way RS-485 Arbitrator [rdc485Arb]](https://www.bostontech.net/wp-content/uploads/2020/10/rdc485Arb-400x609-1-247x247.png 247w, https://www.bostontech.net/wp-content/uploads/2020/10/rdc485Arb-400x609-1-100x100.png 100w, https://www.bostontech.net/wp-content/uploads/2020/10/rdc485Arb-400x609-1-300x300.png 300w, https://www.bostontech.net/wp-content/uploads/2020/10/rdc485Arb-400x609-1-150x150.png 150w, https://www.bostontech.net/wp-content/uploads/2020/10/rdc485Arb-400x609-1.png 399w)
![Isolated 3-Way RS-232 Arbitrator [rdc232Arb]](https://www.bostontech.net/wp-content/uploads/2020/10/prd232arb-400x609-1-247x247.png 247w, https://www.bostontech.net/wp-content/uploads/2020/10/prd232arb-400x609-1-100x100.png 100w, https://www.bostontech.net/wp-content/uploads/2020/10/prd232arb-400x609-1-300x300.png 300w, https://www.bostontech.net/wp-content/uploads/2020/10/prd232arb-400x609-1-150x150.png 150w, https://www.bostontech.net/wp-content/uploads/2020/10/prd232arb-400x609-1.png 399w)
![Isolated RS-232 to Dual RS-485 Intelligent Hub [rdc485ih]](https://www.bostontech.net/wp-content/uploads/2020/10/prd485ih-400x609-1-247x247.png 247w, https://www.bostontech.net/wp-content/uploads/2020/10/prd485ih-400x609-1-100x100.png 100w, https://www.bostontech.net/wp-content/uploads/2020/10/prd485ih-400x609-1-300x300.png 300w, https://www.bostontech.net/wp-content/uploads/2020/10/prd485ih-400x609-1-150x150.png 150w, https://www.bostontech.net/wp-content/uploads/2020/10/prd485ih-400x609-1.png 399w)
![Isolated RS-485 to Dual WDM Hub [rdc485fh-gv-w-w-t-t-c-ab]](https://www.bostontech.net/wp-content/uploads/2020/10/prd485fh-400x609-1-247x247.png 247w, https://www.bostontech.net/wp-content/uploads/2020/10/prd485fh-400x609-1-100x100.png 100w, https://www.bostontech.net/wp-content/uploads/2020/10/prd485fh-400x609-1-300x300.png 300w, https://www.bostontech.net/wp-content/uploads/2020/10/prd485fh-400x609-1-150x150.png 150w, https://www.bostontech.net/wp-content/uploads/2020/10/prd485fh-400x609-1.png 399w)

![Isolated RS-232 Auto Select Switch [rdc232ih]](https://www.bostontech.net/wp-content/uploads/2020/10/prd232hub-400x609-2-100x100.png 100w, https://www.bostontech.net/wp-content/uploads/2020/10/prd232hub-400x609-2-247x247.png 247w, https://www.bostontech.net/wp-content/uploads/2020/10/prd232hub-400x609-2-300x300.png 300w, https://www.bostontech.net/wp-content/uploads/2020/10/prd232hub-400x609-2-150x150.png 150w, https://www.bostontech.net/wp-content/uploads/2020/10/prd232hub-400x609-2.png 399w)