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| QSU-200/300IND |
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| Quatech |
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| 4 independent ports (USB to RS-422/485) |
| Each port configurable to RS-422 or RS-485 |
| Device enumerates itself as standard port(s) |
| Max baud rate 460.8k bps |
| Full modem control and hardware and software flow control (RS-232) |
| Bus powered, no external power required |
| Windows 98/Me/NT/2000/XP, Linux, OS/2 and Sun Ray Server support |
| Surge suppression available |
| 5 year warranty |
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| Each port configurable to RS-422 or RS-485 |
| 16550 UARTs with 16-byte FIFOs (1 per port) |
| Transceiver: SP211HB |
| Surge suppressor applied to each line that is capable of sustaining up to 40A peak, 8 x 20µs transient surges, a clamping voltage of 30V and a peak energy dissipation of 0.1 Joules. (NOTE: The "IND" option limits data rate to 230.4 kbps) |
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| Bus-powered device, no external power supply required. |
| Suspended:< 500 µA |
| Unconfigured:< 100 mA |
| Configured:< 500 ma |
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