DAC-40G-xM

40G QSFP+ Direct Attach Cable, DAC 1-7m

 

Features

• Up to 10.3125Gbps data rate per channel
• Up to 7m transmission
• Single +3.3V power supply
• RoHS Compliant
• Operating temperature 0°C to +70°C

 

Application

• 40G Ethernet

 

Standard

• Compliant with SFF- 8436, SFF-8431, SFF-8432 and SFF-8472

 

General Product Characteristics

QSFP+ DAC Specifications
Number of Lanes	Tx & Rx
Channel Data Rate	10.3125 Gbps
Operating Temperature	0 to + 70°C
Storage Temperature	-40 to + 85°C
Supply Voltage	3.3 V nominal
Electrical Interface	38 pins edge connector(QSFP+)
Management Interface	Serial, I2C

 

High Speed Characteristics

Parameter	Symbol	Min	Typ	Max	Units	Notes
Differential Impedance	Zd	90	100	110	Ω
Differential Input Return Loss	SDDXX	<-12+2* SQRT (f) with f in GHz			dB	0.01~4.1GHz
		<-6.3+13* Log10/(f/5.5) with f in GHz			dB	4.1~11.1GHz
Common Mode Output Return Loss	SCCXX	< -7+1.6*f with f in GHz			dB	0.01~2.5GHz
				-3	dB	2.5~11.1GHz
Difference Waveform Distortion Penalty	dWDPc			6.75	dB
VMA Loss	L			4.4	dB
VMA Loss to Crosstalk Ratio	VCR	32.5			dB

 

Ordering information

Model No.	Product Description
DAC-40G-xM	40G QSFP+ to QSFP+ Direct Attach Cable DAC 1-7m
x: 1,2,3,5,7 meters