Gross Weight 215 ±5 g 0.48 lb | Moxa Technologies NPort 1220

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	2
Interface	4-wire RS-422: TxD+/-, RxD+/-, GND
	4-wire RS-485: TxD+/-, RxD+/-, GND
	2-wire RS-485: Data+, Data-, GND
Connector	Terminal Block
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
RS-485 Data Direction	ADDC™ (Auto Data Direction Control)
Speed	600 to 115.2 Kbps
Power Requirements
Power Input	12 to 48 VDC (external) or 5 VDC (Bus power)
Power Consumption	BUS: 140 mA @ 5 VDC
	Ext. PWR: 306 mA @ 12 VDC
Mechanical Specifications
Material	ABS
Gross Weight	215±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

1-4 NPort 1220/1240 USB-to-Serial Hub User’s Manual

Gross Weight