PRODDUCTS
Shenzhen JHA Technology Co., Ltd is one of the leading manufacturers of hardened Ethernet, PoE, and fiber connectivity products specifically designed for harsh and demanding environments.
PRODUCTS
40G Q/4SFP+ Direct Attach Cable JHA-QSFP-40G-PCU
-
- Compliant with SFF- 8436, SFF-8431, SFF-8432 and SFF-8472
- Up to 10. 3125Gbps data rate per channel
- Up to 7m transmission
- Operating temperature: -40℃ to +80℃
- Single 3.3V power supply
- RoHS compliant
Classification
Network Cabling
DAC(Direct Attach Cable)
- DESCRIPTION
- DIMENSION
- ORDER INFORMATION
- DOWNLOAD
- APPLICATIONS
-
General Description
QSFP+ Direct Attach Cables are compliant with the SFF-8436 specifications. SFP+ Direct Attach Cables are compliant with the SFF-8431, SFF-8432 and SFF-8472 specifications. Various choices of wire gauge are available from 30 to 24 AWG with various choices of cable length(up to 7m).
Benefits
◊ Cost-effective copper solution
◊ Lowest total system power solution
◊ Lowest total system EMI solution
◊ Optimized design for Signal Integrity
Applications
◊ 40G Ethernet
Specification
Pin Function Definition
QSFP+ 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
SFP+ Pin Function Definition
Pin Logic Symbol Description
1
VeeT Module Transmitter Ground 2
LVTTL-O Tx_Fault Module Transmitter Fault 3
LVTTL-I Tx_Disable Transmitter disable; Turns off transmitter laser output 4
LVTTL-I/O SDA 2-wire Serial Interface Data Line (Same as MOD-DEF2 in INF-8074i) 5
LVTTL-I/O SCL
2-wire Serial Interface Clock (Same as MOD-DEF1 in INF-8074i) 6
Mod_ABS Module Absent, connected to VeeT or VeeR in the module 7
LVTTL-I RS0
Rate Select 0, optionally controls SFP+ module receiver 8
LVTTL-O Rx_LOS Receiver Loss of Signal Indication (In FC designated as Rx_LOS and in Ethernet designated as Signal Detect) 9
LVTTL-I RS1
Rate Select 1, optionally controls SFP+ module transmitter 10 VeeR Module Receiver Ground 11 VeeR Module Receiver Ground 12 CML-O RD-
Receiver Inverted Data Output 13 CML-O RD+
Receiver Non-Inverted Data Output 14 VeeR Module Receiver Ground 15 VccR Module Receiver 3.3 V Supply 16 VccT Module Transmitter 3.3 V Supply 17 VeeT Module Transmitter Ground 18 CML-I TD+
Transmitter Non-Inverted Data Input 19 CML-I TD-
Transmitter Inverted Data Input 20 VeeT Module Transmitter Ground 
General Product Characteristics
Q/4SFP+ DAC Specifications Number of Lanes Tx & Rx Channel Data Rate 10.3125 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(QSFP+)20 pins edge connector(SFP+) 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
4.1~11.1GHz Common Mode Output Return Loss SCCXX < -7+1.6*f with f in GHz dB
0.01~2.5GHz -3
dB
2.5~11.1GHz 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-8436 to SFF-8432 specification.
Length (m)
able AWG
1
30
3
30
5
26
7
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
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Contacts
3rd Floor, No. 5 Building, Lian Jian Industrial Park, Shang Heng Lang, Long Hua New District, Shenzhen, China
0755-81 483343
amy@jha-tech.com
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