400G OSFP(FTL) to 400G QSFP-DD Passive Direct Attach Copper Twinax Cable (DAC)

Flat top
Compliant with
IEEE 802.3cd, OSFP MSA, QSFP-DD MSA, CMIS Rev4.0, SFF-8417 standard
Switch to Switch
Switch to GPU

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SPECIFICATIONS
Cable End Connector AOSFP(FTL)Cable End Connector BQSFP-DD
Jumper TypeDirect-AttachData Rate400G
Aggregate Bit Rate400GbpsLane Bit Rate50Gbps
Number of Channels8Single Channel Rate50G
Minimum Bend Radius5X Cable OD -Single, 10X Cable OD - RepeatedFactory BrandPHILISUN
Attenuation28AWG:10dB/7m maximum
30AWG:8.4dB/5.5m maximum		Bit Error Rate≤10-12
ShieldBraid/FoilWire AWG28AWG/30AWG
Cable TypePassive TwinaxCable OD30AWG: 6.7mm
28AWG: 8.1mm
Cable Colour/MaterialBlack PVC(OFNR)Cable Length Selection0.5-2meter
ProtocolsQSFP-DD MSA/CMIS Rev 4.0/SFF 8417/OSFP MSAApplication Scenarios400Gigabit Ethernet (400GbE)
Supply Voltage3.3VPower Dissipation<0.1W
Operating Temperature0 to 70℃ (32 to 158℉)Storage Temperature-40 to 85℃ (-40 to 185℉)

 

PRODUCT PRESENTATION
The PHILISUN 400G OSFP to 400G QSFP-DD Passive Direct Attach Copper Twinax Cable (DAC) is a critical adapter cable, providing a Cost-Effective and Power-Efficient solution to link switches utilizing different High-Density form factors (OSFP and QSFP-DD). The Flat Top design ensures optimized thermal management. This Passive Copper cable delivers Ultra-Low Latency for short-reach 400GbE Server Interconnects. Compliant with IEEE 802.3cd, OSFP MSA, QSFP-DD MSA, and CMIS Rev4.0, it ensures flexible and reliable Switch to Switch communication and massive data throughput from Switch to GPU systems in the Data Center.

 

DAC SERIES PRODUCTS

 

PRODUCTION & TESTING EQUIPMENT

 

PERFORMANCE PARAMETER
Absolute Maximum Ratings
Parameter Symbol Min. Max. Unit
Storage Temperature Ts -40 85 ℃
Operating Case Temperature Tcase 0 70 ℃
Power Supply Voltage VCC 3 3.465 V
Relative Humidity RH – 85 %

 

Electrical Performance Requirements
Item Test Condition Specification
Current – 0.5A per contact
Voltage – 30v DC per contact
LLCR EIA 364-23, 20mVdc, 100mA less than 2 ohms
Continuity Verify the continuous electrical path No open, short, or high resistance

 

Mechanical Performance Requirements
Item Test Condition Specification
Mating Forces A rate of 10mm per minute QSFP-DD<90N, OSFP＞40N
Un-mating Forces A rate of 10mm per minute QSFP-DD<50N, OSFP<30N
Latch strength Pull to separate module from cage，
Test with connector, cage & module
(latch engaged)		 Minimum of an 125N force
Bulk cable retention
in module		 Pull to separate bulk cable from
module,Test with cable assembly only		 Minimum of an 90N force
Wire Flex Flex cable 180 ° for 10 cycles atX/Y axis,
20 times/minutes,
with an 1kg suspended weight.
Type C EIA 364-41, test condition I.		 No microsecond discontinuities are allowed.
Durability Perform 50 unplug/plug cycles No evidence of physical damage
Cable Minimum
Bend Radius		 Min. bending radius allowed :
repeated 10X ø .
single 5X ø		 1. No physical damage
2. Verify continuity and SI

 

Pin Definition-QSFP-DD

 

Pin Definition-OSFP

 

Wire Connection
Parameter P1 (QDD) P2 (OSFP)
Pin Signal Pin Signal
1 18

17

 RX1n

RX1p

 58

59

 TX1n

TX1p
2 36

37

 TX1p

TX1n

 29

28

 RX1p

RX1n
3 21

22

 RX2n

RX2p

 3

2

 TX2n

TX2p
4 3

2

 TX2p

TX2n

 32

33

 RX2p

RX2n
5 15

14

 RX3n

RX3p

 55

56

 TX3n

TX3p
6 33

34

 TX3p

TX3n

 26

25

 RX3p

RX3n
7 24

25

 RX4n

RX4p

 6

5

 TX4n

TX4p
8 6

5

 TX4p

TX4n

 35

36

 RX4p

RX4n
9 56

55

 RX5n

RX5p

 52

53

 TX5n

TX5p
10 74

75

 TX5p

TX5n

 23

22

 RX5p

RX5n
11 59

60

 RX6n

RX6p

 9

8

 TX6n

TX6p
12 41

40

 TX6p

TX6n

 38

39

 RX6p

RX6n
13 53

52

 RX7n

RX7p

 49

50

 TX7n

TX7p
14 71

72

 TX7p

TX7n

 20

19

 RX7p

RX7n
15 62

63

 RX8n

RX8p

 12

11

 TX8n

TX8p
16 44

43

 TX8p

TX8n

 41

42

 RX8p

RX8n

 

PRODUCT CERTIFICATION

 

COMPATIBLE BRANDS
CONFIGURATION INFORMATION
DAC/ACC/AEC产品详情订购信息

 

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