| |
RS-232 |
RS-232/422/485 |
| Bus Interface |
High Speed USB 2.0 |
| OS Support |
Windows 2000/XP/Vista and Linux |
Windows 2000/XP/Vista and Linux |
| Serial Ports Provided |
SSU:1 DSU:2 QSU:4 ESU:8 |
DSU:2 QSU:4 ESU:8 |
Each port configurable as RS-422 or RS-485 for full or half duplex communication |
| USB Ports Required |
SSU:1 DSU:1 QSU:1 ESU:1 |
DSU:1 QSU:1 ESU:1 |
| Data Rate |
up to 921.6 kbps |
| UARTs |
1024-byte transmit and receive FIFOs |
| Transceiver |
SP211HB |
MAX491 or compatible |
| RS-232 Output |
Voltage Swing: ±5.0V (min), ±5.4V (typ) |
N/A |
| RS-232 Input |
Voltage Range: -15V (min), +15V (max) |
N/A |
| Input Threshold Low: 0.6V (min), 1.0V (typ) |
| Input Threshold High: 1.5V (max), 2.4V (typ) |
| Differential Driver Output (50W Load) |
N/A |
+3.3V (max) |
| Differential Driver Output (27W Load) |
N/A |
+1.5V (min), +3.3V (max) |
| High Input |
N/A |
+2V (min) |
| Low Input |
N/A |
+0.8V (max) |
| Driver Rise/Fall Time |
N/A |
5ns (typ), 20ns (max) |
| Driver Input to Output Delay |
N/A |
20 ns (min), 40 ns (typ), 60 ns (max) |
| Receiver Input to Output Delay |
N/A |
40 ns (min), 70 ns (typ), 100 ns (max) |
| Environment |
Operating: 0°C to 70°C |
Storage: -50°C to 80°C |
Humidity: 10% to 90% |
| IND Option |
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 115.2 kbps) |
| Power Requirements |
Bus-powered device, no external power supply required. |
Suspend power: < 500 µA |
Unconfigured power: < 100 mA |
Configured Power: < 500 ma |
| Size |
SSU: 3.6” L x 1.7” W x 1”H |
| DSU/QSU: 9.18" L x 5.25" W x 1.675" H |
| ESU: 9.18" L x 5.25" W x 2.363" H |
| Connectors |
DB-9 male (see connector pinout) |
| Certifications |
CE, FCC Class B, RoHS & WEEE Compliant |
