D-net`s Passive Direct Attach Copper Cable service
● Compatibility Assistance: D-NET offers compatibility services to ensure optical modules are compatible with equipment from leading manufacturers.
● Personalized Services: D-NET provides OEM customization options for its products. Upon request, customers can have colored logo labels tailored to their needs.
● Standard Delivery Period: 3 Days
● Extensive Shipping Solutions: D-NET collaborates with highly reputable courier companies such as SF, FedEx, DHL, UPS, and others to ensure reliable shipping services.
Features
● Compliant with QSFP + MSA and SFF-8636
● Complies with Ethernet IEEE802.3bj& IEEE802.3cd
● Support serial ID function through EEPROM
● Support hot swap, low crosstalk, low power consumption
● Support distances up to 3 meters
● Provide cable sizes from 30AWG to 26AWG
● Operating temperature range: 0◦C to 70◦C
● RoHS compliant
Applications
● 40G /100g/200G Ethernet
● Infiniband SDR, DDR, QDR, FDR, EDR, HDR
● Switches, routers, hubs, data center cloth
Outline drawing
|
M.P/N |
C.P/N |
L(mm) |
L1 |
AWG |
|
QS56P-005301-002 |
TBD |
500±15 |
100±10 |
30 |
|
QS56P-010301-002 |
TBD |
1000±25 |
200±10 |
30 |
|
QS56P-015301-002 |
TBD |
1500±30 |
30 |
|
|
QS56P-020281-002 |
TBD |
2000±35 |
28 |
|
|
QS56P-030261-002 |
TBD |
3000±45 |
26 |
Wiring Diagram
Electrical Performance
Signal Integrity：
|
(ITEM) |
(REQUIREMENT) |
(TEST CONDITION) |
|||||||
|
(Differe ntial Impedan ce) |
Cable Impedance |
105+5/-10Ω |
Rise time of 25ps (20 % - 80 %). |
||||||
|
Paddle Card Impedance |
100±10Ω |
||||||||
|
Cable Termination Impedance |
100±15Ω |
||||||||
|
[Differential (Input/Output)Return loss SDD11/SDD22] |
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 ≤19GHz |
|||||||
|
[Differential to common-mode (Input/Output)Return loss SCD11/SCD22] |
Return_loss(f)≥ 22-(20/25.78)f 0.01≤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
|
10MHz≤f ≤19GHz |
|||||||
|
[Common-mode to Common-mode (Input/Output)Return loss SCC11/SCC22] |
Return_loss(f)≥2dB 0.2≤f≤19 Where f is the frequency in GHz Return_loss(f) is the common-mode to common-mode return loss at frequency f
|
10MHz≤f ≤19GHz |
|||||||
|
[Differential Insertion Loss (SDD21 Max.)] |
(Differential InsertionLoss Max. For TPa to TPb Excluding Test fixture ) |
10MHz≤f ≤19GHz |
|||||||
|
F AWG |
1.25GHz |
2.5GHz |
5.0GHz |
7.0GHz |
10Ghz |
12.89Ghz |
|||
|
30(1m) Max. |
4.5dB |
5.4dB |
6.3dB |
7.5dB |
8.5dB |
0.5dB |
|||
|
30/28( 3m)Ma x. |
7.5dB |
9.5dB |
12.2dB |
14.8dB |
18.0dB |
21.5dB |
|||
|
26(3m) Max. |
5.7dB |
7.2dB |
9.9 dB |
11.9dB |
14.1dB |
16.5dB |
||
|
26/25( 5m)Ma x. |
7.8dB |
10.0dB |
13.5dB |
16.0dB |
19.0dB |
22.0dB |
||
|
[Insertion Loss Deviation] |
-0.176*f - 0.7 ≤ ILD ≤ 0.176* f + 0.7 |
50MHz≤f ≤ 19GHz |
||||||
|
Differential to common-mode Conversion Loss-Differential Insertion Loss(SCD21-SDD21) |
10 0.01≤f﹤12.89 Conversion _loss(f) – IL(f)≥ 27-(29/22)f 12.89 ≤ f ﹤
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 |
10MHz≤f ≤19GHz |
||||||
|
[MDNEXT(multiple disturber near-end crosstalk)] |
≥26dB @12.89GHz |
10MHz≤f ≤19GHz |
||||||
|
[Intra Skew] |
15ps/m, |
10MHz≤f ≤19 |
||||||
Other Electrical Performance：
|
(ITEM) |
(REQUIREMENT) |
(TEST CONDITON) |
|
[Low Level Contact Resistance] |
70milliohms 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. |
Environment Performance
|
(ITEM) |
(REQUIREMENT) |
(TEST CONDITON) |
|
[Operating Temp. Range] |
-20°C to +75°C |
Cable operating temperature range. |
|
[Storage Temp. Range (in packed condition)] |
-40°C to +80°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. |
Mechanical and Physical Characteristics
|
(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 |
|
Cable Plug Retention in Cage |
90N Min. No evidence of physical damage |
Force to be applied axially with no damage to cage. Per SFF 8661 Rev 2.1 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.(QSFP28) |
Per SFF8661 Rev 2.1 |
|
Cable plug Extraction |
30N Max. (QSFP28) |
Place axial load on de-latch to de-latch plug.Per SFF8661 Rev 2.1 |
|
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) |
FAQ
1. Does the 200G QSFP56 Passive DAC Direct Attach Copper Cable require additional power to operate?
A: No, this cable is passive, which means it does not require additional power to ensure quality connectivity. It operates solely on the power provided by the connected devices.
2. Can the 200G QSFP56 Passive DAC Direct Attach Copper Cable be used for long-distance interconnections?
A: No, this cable is designed for short-distance interconnections within data centers and high-performance computing environments. For long-distance interconnections, fiber optic cables or other suitable long-haul interconnect solutions should be used.
3. What unique technical features make the 200G QSFP56 Passive DAC Direct Attach Copper Cable stand out?
A: The 200G QSFP56 Passive DAC Direct Attach Copper Cable stands out with its high-density, low-profile design that allows for more efficient use of rack space in data centers. It also features advanced shielding and impedance matching to ensure excellent signal integrity and minimize interference, even at high data rates.
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