Good Quality Aoc/Dac Cable - 100G QSFP28 Direct Attach Cable (DAC) JHA-QSFP28-100G-PCU – JHA
Good Quality Aoc/Dac Cable - 100G QSFP28 Direct Attach Cable (DAC) JHA-QSFP28-100G-PCU – JHA Detail:
General Description
QSFP28 Direct Attach Cables are compliant with the SFF-8665 specifications. Various choices of wire gauge are available from 30 to 26 AWG with various choices of cable length (up to 5m).
Features
◊ Compliant with SFF- 8665
◊ Up to 28.3125Gbps data rate per channel
◊ Up to 5m transmission
◊ Operating temperature: 0~70℃
◊ Single 3.3V power supply
◊ RoHS compliant
Benefits
◊ Cost-effective copper solution
◊ Lowest total system power solution
◊ Lowest total system EMI solution
◊ Optimized design for Signal Integrity
Applications
◊ 100G Ethernet
Specification:
Pin Function Definition
Pin |
Logic |
Symbol |
Description |
1 |
|
GND |
Ground |
2 |
CML-I |
Tx2n |
Transmitter Inverted Data Input |
3 |
CML-I |
Tx2p |
Transmitter Non-Inverted Data Input |
4 |
|
GND |
Ground |
5 |
CML-I |
Tx4n |
Transmitter Inverted Data Input |
6 |
CML-I |
Tx4p |
Transmitter Non-Inverted Data Input |
7 |
|
GND |
Ground |
8 |
LVTTL-I |
ModSelL |
Module Select |
9 |
LVTTL-I |
ResetL |
Module Reset |
10 |
|
Vcc Rx |
+3.3V Power Supply Receiver |
11 |
LVCMOS- I/O |
SCL |
2-wire serial interface clock |
12 |
LVCMOS- I/O |
SDA |
2-wire serial interface data |
13 |
|
GND |
Ground |
14 |
CML-O |
Rx3p |
Receiver Non-Inverted Data Output |
15 |
CML-O |
Rx3n |
Receiver Inverted Data Output |
16 |
|
GND |
Ground |
17 |
CML-O |
Rx1p |
Receiver Non-Inverted Data Output |
18 |
CML-O |
Rx1n |
Receiver Inverted Data Output |
19 |
|
GND |
Ground |
20 |
|
GND |
Ground |
21 |
CML-O |
Rx2n |
Receiver Inverted Data Output |
22 |
CML-O |
Rx2p |
Receiver Non-Inverted Data Output |
23 |
|
GND |
Ground |
24 |
CML-O |
Rx4n |
Receiver Inverted Data Output |
25 |
CML-O |
Rx4p |
Receiver Non-Inverted Data Output |
26 |
|
GND |
Ground |
27 |
LVTTL-O |
ModPrsL |
Module Present |
28 |
LVTTL-O |
IntL |
Interrupt |
29 |
|
Vcc Tx |
+3.3V Power supply transmitter |
30 |
|
Vcc1 |
+3.3V Power supply |
31 |
LVTTL-I |
LPMode |
Low Power Mode |
32 |
|
GND |
Ground |
33 |
CML-I |
Tx3p |
Transmitter Non-Inverted Data Input |
34 |
CML-I |
Tx3n |
Transmitter Inverted Data Input |
35 |
|
GND |
Ground |
36 |
CML-I |
Tx1p |
Transmitter Non-Inverted Data Input |
37 |
CML-I |
Tx1n |
Transmitter Inverted Data Input |
38 |
|
GND |
Ground |
General Product Characteristics
QSFP+ DAC Specifications | |
Number of Lanes | Tx & Rx |
Channel Data Rate | 28.3125 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 |
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 |
4.1~19GHz | ||||
Common Mode Output Return Loss | SCCXX | < -7+1.6*f with f in GHz |
dB |
0.01~12.89GHz | ||
-3 |
dB |
12.89~19GHz | ||||
Difference Waveform Distortion Penalty | dWDPc | 6.75 | dB | |||
VMA Loss |
L |
4.4 | dB | |||
VMA Loss to Crosstalk Ratio | VCR | 32.5 |
dB |
Mechanical Specifications
The connector is compatible with the SFF-8665 specificatio
Length (m) | Cable AWG |
1 |
30 |
2 |
30 |
3 |
30 |
5 |
26 |
Regulatory Compliance
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 |
Product detail pictures:
Related Product Guide:
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