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Introduction
Product Specifications
NPort 1240
USB
Compliant with USB 1.1, 1.0
USB 2.0 backwards compatible
Connector USB type B
Speed Full speed 12 Mbps
Serial
No. of Ports 4
Interface RS-232: TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
Connector DB9 Male
FIFO 128 bytes
Serial line protection 16 KV ESD for all signals
Serial Communication Parameters
Parity None, Even, Odd
Data bits 7, 8
Stop bit 1, 2
Flow Control RTS/CTS, XON/XOFF
Speed 600 to 115.2 Kbps
Power Requirements
Power Input 12 to 48 VDC (External) or 5 VDC (Bus power)
Power Consumption BUS: 172 mA @ 5 VDC
Ext. PWR: 117 mA @ 12 VDC
Mechanical Specifications
Material ABS
Gross Weight
220±5 g (0.48 lb)
Environmental
Operating Temperature 0 to 55°C (32 to 131°F)
Storage Temperature -20 to 85°C (-4 to 185°F)
Operating Humidity 5 to 95% RH
Agency Approvals
EMC FCC (class B), CE (Class B)
Safety UL, CUL, TÜV
Warranty
5 years
NPort 1220/1240 USB-to-Serial Hub User’s Manual
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