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40G QSFP+ TO 4SFP+ DAC

40G QSFP+ TO 4SFP+ DAC

QSFP+ Direct Attach Cables are compliant with the SFF-8436 specifications. SFP+ Direct Attach Cables are compliant with the SFF-8431, SFF-8432 and SFF-8472 specifications. Various choices of wire gauge are available from 30 to 24 AWG with various choices of cable length (up to 7m).

Specifications of 40G QSFP+ TO 4SFP+ Direct Attach Cable

General Product Characteristics
High Speed Characteristics
Regulatory Compliance

QSFP+ TO 4SFP+ 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+)

20 pins edge connector(SFP+)

Management Interface

Serial, I2C


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

-


Feature

Test Method

Performance

Electrostatic Discharge (ESD) to the Electrical Pins

MIL-STD-883C Method 3015.7

Class 1 (>2000 Volts)

Electromagnetic Interference(EMI)

FCC Class B

Compliant with Standards

CENELEC EN55022 Class B

CISPR22 ITE Class B

RF Immunity(RFI)

IEC61000-4-3

Typically show no measurable effect from a 10V/m field swept from 80 to 1000MHz

RoHS Compliance

RoHS Directive 2011/65/EU and it's amendment directives 6/6

RoHS 6/6 compliant


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