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JHA-QSFP28-4SFP28-100G-PCU Spec
- 产品描述
- 产品特征
- 产品参数
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QSFP28 passive copper cable assembly feature eight differential copper pairs,providing four data transmission channels at speeds up to 28Gbps per channel,and meets 100G Ethernet,25G Ethernet and InfiniBand Enhanced Data Rate(EDR) requirements.Available in a broad rang of wire gages-from 26AWG through 30AWG-this 100G copper cable assembly features low insertion loss and low cross talk.Designed for applications in the data center,networking and telecommunications markets that require a high speed,reliable cable assembly,this next generation product shares the same mating interface with QSFP+ form factor ,making it backward compatible with existing QSFP ports.QSFP28 can be used with current 10G and 14G applications with substantial signal integrity margin.
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l w Compatible with IEEE 802.3bj,IEEE 802.3by and InfiniBand EDR
l w Supports aggregate data rates of 100Gbps
l w Optimized construction to minimize insertion loss and cross talk
l w Backward compatible with existing QSFP+ connectors and cages
l w Pull-to-release slide latch design
l 26AWG through 30AWG cable
l w Straight and break out assembly configurations available
l Customized cable braid termination limits EMI radiation
l Customizable EEPROM mapping for cable signature
RoHS compliant
Product Applications
l Switches,servers and routers
l Data Center networks
l Storage area networks
l High performance computing
l Telecommunication and wireless infrastructure
l Medical diagnostics and networking
l Test and measurement equipment
Industry Standards
l 100G Ethernet(IEEE 802.3bj)
l 25G Ethernet(IEEE 802.3by)
l InfiniBand EDR
l SFF-8665 QSFP+ 28G 4X Pluggable Transceiver Solution(QSFP28)
l SFF-8402 SFP+ 1X 28Gb/s Pluggable Transceiver Solution(SFP28)
Technical Documents
l 108-32081 QSFP28 Copper Module Direct Attach Cable Assembly
l 108-2364 Single Port and Ganged SFP+ Cages,Zsfp+ Single Port and Ganged Cages,and SFP+ Copper Direct Attach Cable Assemblies.
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High Speed Characteristics
Parameter
Symbol
Min
Typical
Max
Unit
Note
Differential Impedance
RIN,P-P
90
100
110
Ώ
Insertion loss
SDD21
8
22.48
dB
At 12.8906 GHz
Differential Return Loss
SDD11
12.45
See 1
dB
At 0.05 to 4.1 GHz
SDD22
3.12
See 2
dB
At 4.1 to 19 GHz
Common-mode to
SCC11
dB
common-mode
2
At 0.2 to 19 GHz
SCC22
output return loss
Differential to common-mode
SCD11
12
See 3
dB
At 0.01 to 12.89 GHz
return loss
SCD22
10.58
See 4
At 12.89 to 19 GHz
10
At 0.01 to 12.89 GHz
Differential to common Mode
SCD21-IL
See 5
dB
At 12.89 to 15.7 GHz
Conversion Loss
6.3
At 15.7 to 19 GHz
Channel Operating Margin
COM
3
dB
Notes:
1. Reflection Coefficient given by equation SDD11(dB) < 16.5 - 2 × SQRT(f ), with f in GHz
2. Reflection Coefficient given by equation SDD11(dB) < 10.66 - 14 × log10(f/5.5), with f in GHz
3. Reflection Coefficient given by equation SCD11(dB) < 22 - (20/25.78)*f, with f in GHz
4. Reflection Coefficient given by equation SCD11(dB) < 15 - (6/25.78)*f, with f in GHz
5. Reflection Coefficient given by equation SCD21(dB) < 27 - (29/22)*f, with f in GHz
Pin Descriptions
SFP28 Pin Function Definition
Pin
Logic
Symbol
Name/Description
Notes
1
VeeT
Transmitter Ground
2
LV-TTL-O
TX_Fault
N/A
1
3
LV-TTL-I
TX_DIS
Transmitter Disable
2
4
LV-TTL-I/O
SDA
Tow Wire Serial Data
5
LV-TTL-I
SCL
Tow Wire Serial Clock
6
MOD_DEF0
Module present, connect to VeeT
7
LV-TTL-I
RS0
N/A
1
8
LV-TTL-O
LOS
LOS of Signal
2
9
LV-TTL-I
RS1
N/A
1
10
VeeR
Reciever Ground
11
VeeR
Reciever Ground
12
CML-O
RD-
Reciever Data Inverted
13
CML-O
RD+
Reciever Data Non-Inverted
14
VeeR
Reciever Ground
15
VccR
Reciever Supply 3.3V
16
VccT
Transmitter Supply 3.3V
17
VeeT
Transmitter Ground
18
CML-I
TD+
Transmitter Data Non-Inverted
19
CML_I
TD-
Transmitter Data Inverted
20
VeeT
Transmitter Ground
1.
Signals not supported in SFP+ Copper pulled-downto VeeT with 30K ohms resistor
2.
Passive cable assemblies do not support
LOS and TX_DIS
QSFP28 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-
SCL
2-wire serial interface clock
I/O
12
LVCMOS-
SDA
2-wire serial interface data
I/O
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
Mechanical Specifications
The connector is compatible with the SFF-8432 and SFF-8665 specification.
Length (m)
Cable AWG
1
30
2
30
3
26
4
26
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 2011/6/5/EU and it's Amendment Directives 6/6
RoHS 6/6 compliant
7*24小时售后支持
安全技术解决方案
研究开发创新
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