400G OSFP To 2XQSFP56 Passive Breakout DAC Direct Attach Copper Cable

M.P/N

C.P/N

L(mm)

AWG

O2QS56P-005301-001

TBD

500±15

30

O2QS56P-010301-001

TBD

1000±25

30

O2QS56P-015301-001

TBD

1500±30

30

O2QS56P-020281-001

TBD

2000±35

28

O2QS56P-025281-001

TBD

2500±35

28

O2QS56P-030271-001

TBD

3000±45

27

ITEM

REQUIREMENT

TEST CONDITION

(Differential Impedance)

Cable Impedance

100±5Ω

Rise time of 25ps

(20 % - 80 %).

Paddle Card Impedance

100±10Ω

Cable Termination Impedance

100+10/-15Ω

[Differential (Input/Output)Return loss S_DD11/S_DD22]

                 Return_loss(f)≥16.5-2√f                        0.05≤f﹤4.1

                                         10.66-14log₁₀(f/ 5.5)     4.1≤f≤19

Where

f is the frequency in GHz

Return loss(f) is the return loss at frequency f

10MHz≤f ≤26.5GHz

[Differential to common-mode (Input/Output)Return loss S_CD11/S_CD22]

                    Return_loss(f)≥ 22-10(f/25.78)      0.05≤f﹤12.89

                                             15-(6/25.78)f         12.89≤f≤19

Where

f is the frequency in GHz

Return_loss(f) is the Differential to common-mode return loss at frequency f

50MHz≤f ≤26.5GHz

[Common-mode to Common-mode

(Input/Output)Return loss S_CC11/S_CC22]

Return_loss(f)≥2dB         0.05≤f≤19

Where

f is the frequency in GHz

Return_loss(f) is the common-mode to common-mode return loss at frequency f

50MHz≤f ≤26.5GHz

[Differential Insertion Loss (S_DD21 Max.)]

(Differential InsertionLoss Max. For TPa to TPb Excluding Test fixture 

50MHz≤f ≤26.5GHz

Insertion _loss(f)≥-17.16dB        0.05≤f≤13.28GHz

Where f is the frequency in GHz

Insertion Loss (f) Differential Insertion Loss at frequency f

[Insertion Loss Deviation]

-0.176*f - 0.7 ≤ ILD ≤ 0.176* f + 0.7

50MHz≤f ≤26.56GHz

Differential to common-mode Conversion Loss-Differential Insertion Loss(S_CD21-S_DD21)

                 Conversion _loss(f) – IL(f)≥10                       0.05≤f﹤12.89

                                                           14-0.3108f           12.89≤f﹤26.5

Where

f is the frequency in GHz

Conversion_loss(f ) is the cable assembly differential to common-mode conversion loss

IL(f) is the cable assembly insertion loss

50MHz≤f ≤26.5GHz

[MDNEXT(multiple disturber

near-end crosstalk)]

≥35dB @26.5GHz

10MHz≤f ≤26.5GHz

[Intra Skew]

10ps/m,

10MHz≤f ≤19GHz

ITEM

REQUIREMENT

TEST CONDITON

[Low Level Contact Resistance]

20milliohms Max. From initial.

EIA-364-23:Apply a maximum voltage of 20mV

And a current of 100 mA.

Insulation Resistance

10Mohm(Min.)

EIA364-21:AC 300V 1minute

 [Dielectric Withstanding Voltage]

NO disruptive discharge.

EIA-364-20:Apply a voltage of 300 VDC for 1minute between adjacent terminals

And between adjacent terminals and ground.

ITEM

REQUIREMENT

TEST CONDITON

[Operating Temp. Range]

0°C to +70°C

Cable operating temperature range.

[Storage Temp. Range

(in packed condition)]

-40°C to +85°C

Cable storage temperature range

in packed condition.

[Thermal Cycling Non-Powered]

No evidence of physical damage

EIA-364-32D, Method A, -25 to 90C, 100 cycles, 15 min. dwells

[Salt Spraying]

48 hours salt spraying after shell

corrosive area less than 5％.

EIA-364-26

Mixed Flowing Gas

Pass electrical tests per 3.1 after

stressing. (For connector only)

EIA-364-35 Class II,14 days.

Temp. Life

No evidence of physical damage

EIA-364-17C w/ RH, Damp heat 90℃ at 85% RH for 500 hours then return to ambient

Cable Cold Bend

4H,No evidence of physical damage

Condition: -20℃±2℃, mandrel diameter is 6 times the cable diameter.

ITEM

REQUIREMENT

TEST CONDITON

Vibration

Pass electrical tests

per 3.1 after stressing.

Clamp & vibrate per EIA-364-28E,

TC-VII, test condition letter – D, 15 minutes in X, Y & Z axis.

Cable Flex

No evidence of physical damage

Flex cable 180° for 20 cycles (±90° from nominal position) at 12 cycles per minute with a 1.0kg load applied to the cable jacket. Flex in the boot area 90º in each direction from vertical. Per EIA-364-41C

Retention in Cage

120N Min (OSFP)

90N Min (QSFP)

No evidence of physical damage

No functional damage to module, connector, or cage with latching mechanism activated.

. Per OSFP _Specification_Rev5

Pull on cable jacket approximately 1 ft behind cable plug. No functional damage to cable plug below 90N.

Per SFF-8432 Rev 5.0

Cable Retention in Plug

90N Min.

No evidence of physical damage

Cable plug is fixtured with the bulk cable hanging vertically. A 90N axial load is applied (gradually) to the cable jacket and held for 1 minute. Per EIA-364-38B

Mechanical Shock

Pass electrical tests

Per 3.1 after stressing.

Clamp and shock per EIA-364-27B, TC-G,3 times in 6 directions, 100g, 6ms.

Cable Plug Insertion

40N Max.(QSFP56)

40N Max.(55N) OSFP

Per SFF8661 Rev 2.1

Module to be inserted into connector and cage with latch mechanism engaged.

(55N if the cage has riding heatsink)

Per OSFP _Specification_Rev5

Cable plug Extraction

30N Max. (QSFP56)

30N Max. (45N) OSFP

Measure without the aid of any cage kick-out springs. Place axial load on de-latch to de-latch plug. Per SFF-8432 Rev 5.0

Module to be removed from connector and cage with latching mechanism disengaged.

(45N if the cage has riding heatsink)

Per OSFP _Specification_Rev5_0 5.0

Durability

50 cycles,No evidence of physical damage

EIA-364-09, perform plug &unplug cycles:Plug and receptacle mate rate: 250times/hour. 50times for QSFP28/SFP28 module (CONNECTOR TO PCB)