Detailed Specifications: Embedded USB 2.0 Serial Adapters

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Detailed Specifications: embedded high speed USB Serial Adapters (USB 2.0)

	RS-232	RS-232/422/485
Bus Interface	High Speed USB 2.0
OS Support	Windows 2000/XP/Vista and Linux support available	Windows 2000/XP/Vista and Linux support available
Serial Ports Provided	SSU:1 QSU:4 ESU:8	QSU:4 ESU:8
		Each port configurable as RS-422 or RS-485 for full or half duplex communication
USB Ports Required	SSU:1 QSU:1 ESU: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: ±5V (min), ±7V (typ)	N/A
RS-232 Input	Voltage Range: -15V (min), +15V (max)	N/A
	Input Threshold Low: 0.8V (min), 1.2V (typ)
	Input Threshold High: 2.4V (max), 1.7V (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	SSU2: 0.56” H x 3.87” W x 1.40 ” D
	QSU2: 0.72” H x 6.52 ” W x 5.20 ” D
	ESU2: 1.31” H x 6.52” W x 5.20 ” D
Connectors	DB-9 male (see connector pinout)
Certifications	CE, FCC Class B, RoHS & WEEE Compliant

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